1
|
Morita M, Yui H, Urashima SH, Onose M, Komatani S, Nakai I, Abe Y, Terada Y, Homma H, Motomura K, Ichida K, Yokoyama T, Nagashima K, Aléon J, O’D. Alexander CM, Amari S, Amelin Y, Bajo KI, Bizzarro M, Bouvier A, Carlson RW, Chaussidon M, Choi BG, Dauphas N, Davis AM, Fujiya W, Fukai R, Gautam I, Haba MK, Hibiya Y, Hidaka H, Hoppe P, Huss GR, Iizuka T, Ireland TR, Ishikawa A, Itoh S, Kawasaki N, Kita NT, Kitajima K, Kleine T, Krot S, Liu MC, Masuda Y, Moynier F, Nguyen A, Nittler L, Pack A, Park C, Piani L, Qin L, Rocco TD, Russell SS, Sakamoto N, Schönbächler M, Tafla L, Tang H, Terada K, Usui T, Wada S, Wadhwa M, Walker RJ, Yamashita K, Yin QZ, Yoneda S, Young ED, Zhang AC, Nakamura T, Naraoka H, Noguchi T, Okazaki R, Sakamoto K, Yabuta H, Abe M, Miyazaki A, Nakato A, Nishimura M, Okada T, Yada T, Yogata K, Nakazawa S, Saiki T, Tanaka S, Terui F, Tsuda Y, Watanabe SI, Yoshikawa M, Tachibana S, Yurimoto H. Analysis of Cation Composition in Dolomites on the Intact Particles Sampled from Asteroid Ryugu. Anal Chem 2024; 96:170-178. [PMID: 38155534 PMCID: PMC10783172 DOI: 10.1021/acs.analchem.3c03463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 11/28/2023] [Accepted: 11/28/2023] [Indexed: 12/30/2023]
Abstract
Characterization of the elemental distribution of samples with rough surfaces has been strongly desired for the analysis of various natural and artificial materials. Particularly for pristine and rare analytes with micrometer sizes embedded on specimen surfaces, non-invasive and matrix effect-free analysis is required without surface polishing treatment. To satisfy these requirements, we proposed a new method employing the sequential combination of two imaging modalities, i.e., microenergy-dispersive X-ray fluorescence (micro-XRF) and Raman micro-spectroscopy. The applicability of the developed method is tested by the quantitative analysis of cation composition in micrometer-sized carbonate grains on the surfaces of intact particles sampled directly from the asteroid Ryugu. The first step of micro-XRF imaging enabled a quick search for the sparsely scattered and micrometer-sized carbonates by the codistributions of Ca2+ and Mn2+ on the Mg2+- and Fe2+-rich phyllosilicate matrix. The following step of Raman micro-spectroscopy probed the carbonate grains and analyzed their cation composition (Ca2+, Mg2+, and Fe2+ + Mn2+) in a matrix effect-free manner via the systematic Raman shifts of the lattice modes. The carbonates were basically assigned to ferroan dolomite bearing a considerable amount of Fe2+ + Mn2+ at around 10 atom %. These results are in good accordance with the assignments reported by scanning electron microscopy-energy-dispersive X-ray spectroscopy, where the thin-sectioned and surface-polished Ryugu particles were applicable. The proposed method requires neither sectioning nor surface polishing; hence, it can be applied to the remote sensing apparatus on spacecrafts and planetary rovers. Furthermore, the non-invasive and matrix effect-free characterization will provide a reliable analytical tool for quantitative analysis of the elemental distribution on the samples with surface roughness and chemical heterogeneity at a micrometer scale, such as art paintings, traditional crafts with decorated shapes, as well as sands and rocks with complex morphologies in nature.
Collapse
Affiliation(s)
- Mayu Morita
- Analytical
Technology Division, Horiba Techno Service
Co., Ltd., Kyoto 601-8125, Japan
| | - Hiroharu Yui
- Department
of Chemistry, Tokyo University of Science, Tokyo 162-8601, Japan
| | - Shu-hei Urashima
- Department
of Chemistry, Tokyo University of Science, Tokyo 162-8601, Japan
| | - Morihiko Onose
- Analytical
Technology Division, Horiba Techno Service
Co., Ltd., Kyoto 601-8125, Japan
| | - Shintaro Komatani
- Analytical
Technology Division, Horiba Techno Service
Co., Ltd., Kyoto 601-8125, Japan
| | - Izumi Nakai
- Department
of Applied Chemistry, Tokyo University of
Science, Tokyo 162-8601, Japan
| | - Yoshinari Abe
- Graduate
School of Engineering Materials Science and Engineering, Tokyo Denki University, Tokyo 120-8551, Japan
| | - Yasuko Terada
- Spectroscopy
and Imaging Division, Japan Synchrotron
Radiation Research Institute, Hyogo 679-5198, Japan
| | - Hisashi Homma
- Osaka Application
Laboratory, Rigaku Corporation, Osaka 569-1146, Japan
| | - Kazuko Motomura
- Thermal
Analysis Division, Rigaku Corporation, Tokyo 196-8666, Japan
| | - Kiyohiro Ichida
- Analytical
Technology Division, Horiba Techno Service
Co., Ltd., Kyoto 601-8125, Japan
| | - Tetsuya Yokoyama
- Department
of Earth and Planetary Sciences, Tokyo Institute
of Technology, Tokyo 152-8551, Japan
| | - Kazuhide Nagashima
- Hawai‘i
Institute of Geophysics and Planetology, University of Hawai‘i at Ma̅noa, Honolulu, Hawaii 96822, United States
| | - Jérôme Aléon
- Institut
de Minéralogie, de Physique des Matériaux et de Cosmochimie,
Sorbonne Université, Museum National d’Histoire Naturelle,
Centre National de la Recherche Scientifique Unité Mixte de
Recherche 7590, Institut de recherche pour
le développement, Paris 75005, France
| | - Conel M. O’D. Alexander
- Earth and Planets Laboratory, Carnegie
Institution for Science, Washington, District of Columbia 20015, United States
| | - Sachiko Amari
- McDonnell
Center for the Space Sciences and Physics Department, Washington University, St. Louis, Missouri 63130, United States
- Geochemical
Research Center, The University
of Tokyo, Tokyo 113-0033, Japan
| | - Yuri Amelin
- Guangzhou Institute of Geochemistry, Chinese
Academy of Sciences, Guangzhou, GD 510640, China
| | - Ken-ichi Bajo
- Department of Natural History Sciences, Hokkaido University, Sapporo 001-0021, Japan
| | - Martin Bizzarro
- Centre
for Star and Planet Formation, Globe Institute, University of Copenhagen, Copenhagen K 1350, Denmark
| | - Audrey Bouvier
- Bayerisches Geoinstitut, Universität
Bayreuth, Bayreuth 95447, Germany
| | - Richard W. Carlson
- Earth and Planets Laboratory, Carnegie
Institution for Science, Washington, District of Columbia 20015, United States
| | - Marc Chaussidon
- Université Paris Cité, Institut de physique
du globe
de Paris, Centre National de la Recherche
Scientifique, Paris 75005, France
| | - Byeon-Gak Choi
- Department of Earth Science Education, Seoul National University, Seoul 08826, Republic of Korea
| | - Nicolas Dauphas
- Department of the
Geophysical Sciences and Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, United States
| | - Andrew M. Davis
- Department of the
Geophysical Sciences and Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, United States
| | - Wataru Fujiya
- Faculty of Science, Ibaraki
University, Mito 310-8512, Japan
| | - Ryota Fukai
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Ikshu Gautam
- Department
of Earth and Planetary Sciences, Tokyo Institute
of Technology, Tokyo 152-8551, Japan
| | - Makiko K. Haba
- Department
of Earth and Planetary Sciences, Tokyo Institute
of Technology, Tokyo 152-8551, Japan
| | - Yuki Hibiya
- Department of
General Systems Studies, University of Tokyo, Tokyo 153-0041, Japan
| | - Hiroshi Hidaka
- Department
of Earth and Planetary Sciences, Nagoya
University, Nagoya 464-8601, Japan
| | - Peter Hoppe
- Max Planck Institute for Chemistry, Mainz 55128, Germany
| | - Gary R. Huss
- Hawai‘i
Institute of Geophysics and Planetology, University of Hawai‘i at Ma̅noa, Honolulu, Hawaii 96822, United States
| | - Tsuyoshi Iizuka
- Department
of Earth and Planetary Science, University
of Tokyo, Tokyo 113-0033, Japan
| | - Trevor R. Ireland
- School of Earth and Environmental Sciences, University of Queensland, St Lucia, QLD 4072, Australia
| | - Akira Ishikawa
- Department
of Earth and Planetary Sciences, Tokyo Institute
of Technology, Tokyo 152-8551, Japan
| | - Shoichi Itoh
- Division of Earth and Planetary Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - Noriyuki Kawasaki
- Department of Natural History Sciences, Hokkaido University, Sapporo 001-0021, Japan
| | - Noriko T. Kita
- Department of Geoscience, University
of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Kouki Kitajima
- Department of Geoscience, University
of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Thorsten Kleine
- Max Planck Institute for Solar System Research, Göttingen 37077, Germany
| | - Sasha Krot
- Hawai‘i
Institute of Geophysics and Planetology, University of Hawai‘i at Ma̅noa, Honolulu, Hawaii 96822, United States
| | - Ming-Chang Liu
- Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, California 90095, United States
| | - Yuki Masuda
- Department
of Earth and Planetary Sciences, Tokyo Institute
of Technology, Tokyo 152-8551, Japan
| | - Frédéric Moynier
- Université Paris Cité, Institut de physique
du globe
de Paris, Centre National de la Recherche
Scientifique, Paris 75005, France
| | - Ann Nguyen
- Astromaterials Research and Exploration Science Division, National Aeronautics and Space Administration Johnson
Space Center, Johnson Space Center, Houston, Texas 77058, United States
| | - Larry Nittler
- Earth and Planets Laboratory, Carnegie
Institution for Science, Washington, District of Columbia 20015, United States
| | - Andreas Pack
- Faculty of Geosciences and Geography, University of Göttingen, Göttingen D-37077, Germany
| | - Changkun Park
- Division of Earth-System Sciences, Korea
Polar Research Institute, Incheon 21990, Korea
| | - Laurette Piani
- Centre de Recherches Pétrographiques
et Géochimiques, Centre National
de la Recherche Scientifique-Université
de Lorraine, Nancy 54500, France
| | - Liping Qin
- School
of Earth and Space Sciences, University
of Science and Technology of China, Anhui 230026, China
| | - Tommaso Di Rocco
- Faculty of Geosciences and Geography, University of Göttingen, Göttingen D-37077, Germany
| | - Sara S. Russell
- Department of Earth Sciences, Natural History Museum, London SW7 5BD, U.K.
| | - Naoya Sakamoto
- Isotope Imaging Laboratory, Hokkaido University, Sapporo 001-0021, Japan
| | - Maria Schönbächler
- Institute for Geochemistry and Petrology,
Department
of Earth Sciences, ETH Zurich, Zurich 8092, Switzerland
| | - Lauren Tafla
- Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, California 90095, United States
| | - Haolan Tang
- Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, California 90095, United States
| | - Kentaro Terada
- Department of Earth and Space Science, Osaka University, Osaka 560-0043, Japan
| | - Tomohiro Usui
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Sohei Wada
- Department of Natural History Sciences, Hokkaido University, Sapporo 001-0021, Japan
| | - Meenakshi Wadhwa
- School of Earth and Space Exploration, Arizona State University, Tempe, Arizona 85281, United States
| | - Richard J. Walker
- Department of Geology, University of Maryland, College
Park, Maryland 20742, United States
| | - Katsuyuki Yamashita
- Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan
| | - Qing-Zhu Yin
- Department of Earth and Planetary Sciences, University of California, Davis, California 95616, United States
| | - Shigekazu Yoneda
- Department of Science and Engineering, National Museum of Nature and Science, Tsukuba 305-0005, Japan
| | - Edward D. Young
- Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, California 90095, United States
| | - Ai-Cheng Zhang
- School
of Earth Sciences and Engineering, Nanjing
University, Nanjing 210023, China
| | - Tomoki Nakamura
- Department of Earth Science, Tohoku University, Sendai 980-8578, Japan
| | - Hiroshi Naraoka
- Department of Earth and Planetary Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Takaaki Noguchi
- Division of Earth and Planetary Sciences, Kyoto University, Kyoto 606-8502, Japan
| | - Ryuji Okazaki
- Department of Earth and Planetary Sciences, Kyushu University, Fukuoka 819-0395, Japan
| | - Kanako Sakamoto
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Hikaru Yabuta
- Earth and Planetary Systems Science Program, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
| | - Masanao Abe
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Akiko Miyazaki
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Aiko Nakato
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Masahiro Nishimura
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Tatsuaki Okada
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Toru Yada
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Kasumi Yogata
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Satoru Nakazawa
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Takanao Saiki
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Satoshi Tanaka
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Fuyuto Terui
- Graduate School of Engineering, Kanagawa Institute of Technology, Atsugi 243-0292, Japan
| | - Yuichi Tsuda
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Sei-ichiro Watanabe
- Department
of Earth and Planetary Sciences, Nagoya
University, Nagoya 464-8601, Japan
| | - Makoto Yoshikawa
- Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Shogo Tachibana
- UTokyo Organization for Planetary and Space
Science (UTOPS), University of Tokyo, Tokyo 113-0033, Japan
| | - Hisayoshi Yurimoto
- Department of Natural History Sciences, Hokkaido University, Sapporo 001-0021, Japan
| |
Collapse
|
2
|
Urashima SH, Morita M, Komatani S, Yui H. Non-destructive estimation of the cation composition of natural carbonates by micro-Raman spectroscopy. Anal Chim Acta 2023; 1242:340798. [PMID: 36657892 DOI: 10.1016/j.aca.2023.340798] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 12/17/2022] [Accepted: 01/02/2023] [Indexed: 01/05/2023]
Abstract
Carbonates play a crucial role in the water and carbon cycles of both geochemical and cosmochemical environments. As carbonates do not exist homogeneously with other minerals in rocks and sands of various sizes, an analytical method that simultaneously satisfies non-destructivity and high spatial resolution has been desired. Further, the ability of semi-quantitative analysis with carbonates-selectivity and without any pre-treatments is added, for its applicability would be extended to remote sensing for deep sea and outer spaces. Here, we focused on the application of micro-Raman spectroscopy, where the vibrational wavenumbers of the translational (T) and librational (L) modes of carbonates are sensitively related to their cation composition. By comparing the semi-quantitative information obtained by X-ray fluorescence spectroscopy, it was found that these vibrational wavenumbers are approximately linearly related to the cation composition. Consequently, a conversion matrix was proposed to estimate the cation composition from the T and L mode vibrational wavenumbers. This method is universally applicable to any cation composition in carbonates, with no background information on the analyte required. To improve the accuracy, conversion matrices were further optimized to three solid-solution series of carbonates. It is worth noting that the proposed conversion matrices are free from matrix effects and do not depend on the total amount of carbonate in a sample. Therefore, the proposed method provides a useful analytical basis for remote sensing of the cation composition of carbonates, both in terrestrial and extra-terrestrial environments.
Collapse
Affiliation(s)
- Shu-Hei Urashima
- Department of Chemistry, Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan; Water Frontier Research Center, Research Institute for Science & Technology, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan.
| | - Mayu Morita
- HORIBA Techno Service Co., Ltd., 2 Miyanohigashi-cho, Kisshoin Minami-ku, Kyoto, 601-8305, Japan.
| | - Shintaro Komatani
- HORIBA Techno Service Co., Ltd., 2 Miyanohigashi-cho, Kisshoin Minami-ku, Kyoto, 601-8305, Japan.
| | - Hiroharu Yui
- Department of Chemistry, Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan; Water Frontier Research Center, Research Institute for Science & Technology, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan.
| |
Collapse
|
3
|
Micro-Raman spectroscopic analysis on natural carbonates: linear relations found via biaxial plotting of peak frequencies for cation substituted species. ANAL SCI 2022; 38:921-929. [PMID: 35583804 PMCID: PMC9206923 DOI: 10.1007/s44211-022-00119-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 04/21/2022] [Indexed: 11/12/2022]
Abstract
Carbonates are ubiquitous minerals carrying important information on aqueous environments where they precipitated on the Earth and space. While their ideal chemical formulae are denoted as simple as MCO3 or M1M2(CO3)2 (M: metal cations), natural carbonates generally form solid-solution series and their compositions deviate from the ideal formulae. Since their cation composition due to the substitution provides a sensitive indicator for chemical and thermodynamic environments of aqueous solutions where they precipitated, their composition analysis has been widely carried out from the environmental/geochemical/astrochemical aspects. However, in widely used back-scattered electron and energy dispersion X-Ray analyses, samples should be generally sliced and/or their surface be polished prior to the measurements. For analyzing rare samples with small sizes, such as ones sampled from deep-sea and/or meteorites and asteroids, a non-destructive method without any pretreatments has been strongly desired. Here, a novel analytical method for discriminating various carbonates with Raman micro-spectroscopy is demonstrated, showing that the biaxial plot of the peak frequencies of their lattice modes linearly moves upon partial substitution of the cations. The cation substitution leads to linear movement in the biaxial map, and the slopes of the movement were different for Mg2+-Fe2+ and Mn2+-Fe2+ substitutions. This finding suggests that the micro-Raman analysis would be a non-destructive analytical method for evaluating the relative amount of Mg2+, Fe2+, and Mn2+ in dolomite-ankerite-kutnohorite solid-solution series, as well as Mg2+/Fe2+ ratio for magnesite-breunnerite-siderite. It would be helpful for analyzing the present and past terrestrial and cosmochemical environments.
Collapse
|
4
|
Lalla EA, Konstantinidis M, Veneranda M, Daly MG, Manrique JA, Lymer EA, Freemantle J, Cloutis EA, Stromberg JM, Shkolyar S, Caudill C, Applin D, Vago JL, Rull F, Lopez-Reyes G. Raman Characterization of the CanMars Rover Field Campaign Samples Using the Raman Laser Spectrometer ExoMars Simulator: Implications for Mars and Planetary Exploration. ASTROBIOLOGY 2022; 22:416-438. [PMID: 35041521 DOI: 10.1089/ast.2021.0055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The Mars 2020 Perseverance rover landed on February 18, 2021, and has started ground operations. The ExoMars Rosalind Franklin rover will touch down on June 10, 2023. Perseverance will be the first-ever Mars sample caching mission-a first step in sample return to Earth. SuperCam and Scanning Habitable Environments with Raman & Luminescence for Organics & Chemicals (SHERLOC) on Perseverance, and Raman Laser Spectrometer (RLS) on Rosalind Franklin, will comprise the first ever in situ planetary mission Raman spectroscopy instruments to identify rocks, minerals, and potential organic biosignatures on Mars' surface. There are many challenges associated when using Raman instruments and the optimization and quantitative analysis of resulting data. To understand how best to overcome them, we performed a comprehensive Raman analysis campaign on CanMars, a Mars sample caching rover analog mission undertaken in Hanksville, Utah, USA, in 2016. The Hanksville region presents many similarities to Oxia Planum's past habitable conditions, including liquid water, flocculent, and elemental compounds (such as clays), catalysts, substrates, and energy/food sources for life. We sampled and conducted a complete band analysis of Raman spectra as mission validation analysis with the RLS ExoMars Simulator or RLS Sim, a breadboard setup representative of the ExoMars RLS instrument. RLS Sim emulates the operational behavior of RLS on the Rosalind Franklin rover. Given the high fidelity of the Mars analog site and the RLS Sim, the results presented here may provide important information useful for guiding in situ analysis and sample triage for caching relevant for the Perseverance and Rosalind Franklin missions. By using the RLS Sim on CanMars samples, our measurements detected oxides, sulfates, nitrates, carbonates, feldspars, and carotenoids, many with a higher degree of sensitivity than past results. Future work with the RLS Sim will aim to continue developing and improving the capability of the RLS system in the future ExoMars mission.
Collapse
Affiliation(s)
- Emmanuel A Lalla
- Centre for Research in Earth and Space Science, Lassonde School of Engineering, York University, Toronto, Canada
| | - Menelaos Konstantinidis
- Centre for Research in Earth and Space Science, Lassonde School of Engineering, York University, Toronto, Canada
- Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
- Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, Canada
| | - Marco Veneranda
- Unidad Asociada Universidad de Valladolid-CSIC-CAB, Boecillo, Spain
| | - Michael G Daly
- Centre for Research in Earth and Space Science, Lassonde School of Engineering, York University, Toronto, Canada
| | | | - Elizabeth A Lymer
- Centre for Research in Earth and Space Science, Lassonde School of Engineering, York University, Toronto, Canada
| | - James Freemantle
- Centre for Research in Earth and Space Science, Lassonde School of Engineering, York University, Toronto, Canada
| | - Edward A Cloutis
- Department of Geography, University of Winnipeg, Winnipeg, Canada
| | - Jessica M Stromberg
- Department of Geography, University of Winnipeg, Winnipeg, Canada
- CSIRO Mineral Resources, Kensington, Australia
| | - Svetlana Shkolyar
- Universities Space Research Association, Columbia, Maryland, USA
- NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
- Blue Marble Space Institute of Science, Seattle, Washington, USA
| | - Christy Caudill
- Centre for Planetary Science and Exploration/Department of Earth Sciences, University of Western Ontario, London, Canada
| | - Daniel Applin
- Department of Geography, University of Winnipeg, Winnipeg, Canada
| | - Jorge L Vago
- European Space Agency, ESA/ESTEC (SCI-S), Noordwijk, The Netherlands
| | - Fernando Rull
- Unidad Asociada Universidad de Valladolid-CSIC-CAB, Boecillo, Spain
| | | |
Collapse
|
5
|
Bower DM, Yang CSC, Hewagama T, Nixon CA, Aslam S, Whelley PL, Eigenbrode JL, Jin F, Ruliffson J, Kolasinski JR, Samuels AC. Spectroscopic characterization of samples from different environments in a Volcano-Glacial region in Iceland: Implications for in situ planetary exploration. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 263:120205. [PMID: 34332244 DOI: 10.1016/j.saa.2021.120205] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 07/14/2021] [Accepted: 07/16/2021] [Indexed: 06/13/2023]
Abstract
Raman spectroscopy and laser induced breakdown spectroscopy (LIBS) are complementary techniques that together can provide a comprehensive characterization of geologic environments. For landed missions with constrained access to target materials on other planetary bodies, discerning signatures of life and habitability can be daunting, particularly where the preservation of organic compounds that contain the building blocks of life is limited. The main challenge facing any spectroscopy measurements of natural samples is the complicated spectra that often contain signatures for multiple components, particularly in rocks that are composed of several minerals with surfaces colonized by microbes. The goal of this study was to use the combination of Raman spectroscopy and LIBS to discern different environmental regimes based on the identification of minerals and biomolecules in rocks and sediments. Iceland is a terrestrial volcano-glacial location that offers a range of planetary analog environments, including volcanically active regions, extensive lava fields, geothermal springs, and large swaths of ice-covered terrain that are relevant to both rocky and icy planetary bodies. We combined portable VIS (532 nm) and NIR (785 nm) Raman spectroscopy, VIS micro-Raman spectroscopic mapping, and UV/VIS/NIR (200 - 1000 nm) and Mid-IR (5.6 - 10 μm, 1785 - 1000 cm-1) laser induced breakdown spectroscopy (LIBS) to characterize the mineral assemblages, hydrated components, and biomolecules in rock and sediment samples collected from three main sites in the volcanically active Kverkfjöll-Vatnajökull region of Iceland: basalt and basalt-hosted carbonate rind from Hveragil geothermal stream, volcanic sediments from the base of Vatnajökull glacier at Kverkfjöll, and lava from the nearby Holuhraun lava field. With our combination of techniques, we were able to identify major mineral polytypes typical for each sample set, as well as a large diversity of biomolecules typical for lichen communities across all samples. The anatase we observed using micro-Raman spectroscopic mapping of the lava compared with the volcanic sediment suggested different formation pathways: lava anatase formed authigenically, sediment anatase could have formed in association with microbial weathering. Mn-oxide, only detected in the carbonate samples, seems to have two possible formation pathways, either by fluvial or microbial weathering or both. Even with our ability to detect a wide diversity of biomolecules and minerals in all of the samples, there was not enough variation between each set to distinguish different environments based on the limited measurements done for this study.
Collapse
Affiliation(s)
- Dina M Bower
- University of Maryland, Department of Astronomy, College Park, MD 20742, USA; NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
| | | | - Tilak Hewagama
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
| | - Conor A Nixon
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
| | - Shahid Aslam
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
| | - Patrick L Whelley
- University of Maryland, Department of Astronomy, College Park, MD 20742, USA; NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
| | | | - Feng Jin
- Brimrose Corporation of America, Sparks-Glencoe, MD 21152, USA.
| | - Jennifer Ruliffson
- University of North Florida, Department of Chemistry, Jacksonville, FL 32224, USA
| | | | - Alan C Samuels
- Edgewood Chemical Biological Center, Aberdeen Proving Ground, MD 21010, USA.
| |
Collapse
|
6
|
Kim Y, Caumon MC, Barres O, Sall A, Cauzid J. Identification and composition of carbonate minerals of the calcite structure by Raman and infrared spectroscopies using portable devices. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 261:119980. [PMID: 34116416 DOI: 10.1016/j.saa.2021.119980] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/20/2021] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
A portable Raman device with a 532 nm excitation laser and a portable infrared spectrometer with ATR (Attenuated Total Reflection) mode were used to analyse the spectral features associated with the identification and compositional variation of Ca-Mg-Fe-Mn natural carbonate minerals with a calcite structure (calcite, ankerite, dolomite, siderite, rhodochrosite, and magnesite). A systematic study of the variations of the peak positions with various compositional ratios was carried out. Most of the band positions were shifted to lower wavenumbers with increasing ionic radius or atomic mass of the divalent cations but the band of the translational lattice (T) mode in Raman and the symmetric bending (ν4) band in the mid-infrared were the most sensitive. Therefore, the elemental variation of the Ca-Mg-Fe-Mn ratio in this carbonate series can be estimated from Raman and infrared band positions from spectra acquired with portable spectrometers.
Collapse
Affiliation(s)
- Yonghwi Kim
- GeoRessources Laboratory -Université de Lorraine, Faculté des Sciences et Technologies, BP 70239, F-54506 Vandœuvre-lès-Nancy, France.
| | - Marie-Camille Caumon
- GeoRessources Laboratory -Université de Lorraine, Faculté des Sciences et Technologies, BP 70239, F-54506 Vandœuvre-lès-Nancy, France
| | - Odile Barres
- GeoRessources Laboratory -Université de Lorraine, Faculté des Sciences et Technologies, BP 70239, F-54506 Vandœuvre-lès-Nancy, France
| | - Amadou Sall
- GeoRessources Laboratory -Université de Lorraine, Faculté des Sciences et Technologies, BP 70239, F-54506 Vandœuvre-lès-Nancy, France
| | - Jean Cauzid
- GeoRessources Laboratory -Université de Lorraine, Faculté des Sciences et Technologies, BP 70239, F-54506 Vandœuvre-lès-Nancy, France
| |
Collapse
|
7
|
The Identification of Cu-O-C Bond in Cu/MWCNTs Hybrid Nanocomposite by XPS and NEXAFS Spectroscopy. NANOMATERIALS 2021; 11:nano11112993. [PMID: 34835757 PMCID: PMC8621448 DOI: 10.3390/nano11112993] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/23/2021] [Accepted: 11/03/2021] [Indexed: 11/21/2022]
Abstract
The results of the research of a composite based on multi-walled carbon nanotubes (MWCNTs) decorated with CuO/Cu2O/Cu nanoparticles deposited by the cupric formate pyrolysis are discussed. The study used a complementary set of methods, including scanning and transmission electron microscopy, X-ray diffractometry, Raman, and ultrasoft X-ray spectroscopy. The investigation results show the good adhesion between the copper nanoparticles coating and the MWCNT surface through the oxygen atom bridge formation between the carbon atoms of the MWCNT outer graphene layer and the oxygen atoms of CuO and Cu2O oxides. The formation of the Cu–O–C bond between the coating layer and the outer nanotube surface is clearly confirmed by the results of the O 1s near edge X-ray absorption fine structure (NEXAFS) and X-ray photoelectron spectroscopy (XPS) of the Cu/MWCNTs nanocomposite. The XPS measurements were performed using a laboratory spectrometer with sample charge compensation, and the NEXAFS studies were carried out using the synchrotron radiation of the Russian–German dipole beamline at BESSY-II (Berlin, Germany) and the NanoPES station at the Kurchatov Center for Synchrotron Radiation and Nanotechnology (Moscow, Russia).
Collapse
|
8
|
Lalla EA, Konstantinidis M, Lymer E, Gilmour CM, Freemantle J, Such P, Cote K, Groemer G, Martinez-Frias J, Cloutis EA, Daly MG. Combined Spectroscopic Analysis of Terrestrial Analogs from a Simulated Astronaut Mission Using the Laser-Induced Breakdown Spectroscopy (LIBS) Raman Sensor: Implications for Mars. APPLIED SPECTROSCOPY 2021; 75:1093-1113. [PMID: 33988039 DOI: 10.1177/00037028211016892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
One of the primary objectives of planetary exploration is the search for signs of life (past, present, or future). Formulating an understanding of the geochemical processes on planetary bodies may allow us to define the precursors for biological processes, thus providing insight into the evolution of past life on Earth and other planets, and perhaps a projection into future biological processes. Several techniques have emerged for detecting biomarker signals on an atomic or molecular level, including laser-induced breakdown spectroscopy (LIBS), Raman spectroscopy, laser-induced fluorescence (LIF) spectroscopy, and attenuated total reflectance Fourier transform infrared (ATR FT-IR) spectroscopy, each of which addresses complementary aspects of the elemental composition, mineralogy, and organic characterization of a sample. However, given the technical challenges inherent to planetary exploration, having a sound understanding of the data provided from these technologies, and how the inferred insights may be used synergistically is critical for mission success. In this work, we present an in-depth characterization of a set of samples collected during a 28-day Mars analog mission conducted by the Austrian Space Forum in the Dhofar region of Oman. The samples were obtained under high-fidelity spaceflight conditions and by considering the geological context of the test site. The specimens were analyzed using the LIBS-Raman sensor, a prototype instrument for future exploration of Mars. We present the elemental quantification of the samples obtained from LIBS using a previously developed linear mixture model and validated using scanning electron microscopy energy dispersive spectroscopy. Moreover, we provide a full mineral characterization obtained using ultraviolet Raman spectroscopy and LIF, which was verified through ATR FT-IR. Lastly, we present possible discrimination of organics in the samples using LIF and time-resolved LIF. Each of these methods yields accurate results, with low errors in their predictive capabilities of LIBS (median relative error ranging from 4.5% to 16.2%), and degree of richness in subsequent inferences to geochemical and potential biochemical processes of the samples. The existence of such methods of inference and our ability to understand the limitations thereof is crucial for future planetary missions, not only to Mars and Moon but also for future exoplanetary exploration.
Collapse
Affiliation(s)
- Emmanuel A Lalla
- Centre for Research in Earth and Space Science (CRESS), York University, Toronto, Canada
| | - Menalaos Konstantinidis
- Centre for Research in Earth and Space Science (CRESS), York University, Toronto, Canada
- Department of Mathematics and Statistics, York University, Toronto, Canada
| | - Elizabeth Lymer
- Centre for Research in Earth and Space Science (CRESS), York University, Toronto, Canada
| | - Cosette M Gilmour
- Centre for Research in Earth and Space Science (CRESS), York University, Toronto, Canada
| | - James Freemantle
- Centre for Research in Earth and Space Science (CRESS), York University, Toronto, Canada
| | - Pamela Such
- Centre for Research in Earth and Space Science (CRESS), York University, Toronto, Canada
| | - Kristen Cote
- Department of Physics, University of Toronto, Toronto, Canada
| | | | - Jesus Martinez-Frias
- Dinamica Terrestre y Observacion de la Tierra, Instituto de Geociencias, Ciudad Universitaria, Madrid, Spain
| | - Edward A Cloutis
- Department of Geography, University of Winnipeg, Winnipeg, Canada
| | - Michael G Daly
- Centre for Research in Earth and Space Science (CRESS), York University, Toronto, Canada
| |
Collapse
|
9
|
Moroz TN, Edwards HGM, Zhmodik SM. Detection of carbonate, phosphate minerals and cyanobacteria in rock from the Tomtor deposit, Russia, by Raman spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 250:119372. [PMID: 33422877 DOI: 10.1016/j.saa.2020.119372] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 11/09/2020] [Accepted: 12/18/2020] [Indexed: 06/12/2023]
Abstract
Samples of rock from the Tomtor Nb - REE (rare-earth elements) deposit (Russia) have been investigated by Raman micro-spectroscopy using visible 532 nm wavelength excitation. Raman spectra of different samples of this rock confirm their composition as calcites and other carbonates such as rhodochrosite, and mixed solid solution phases (Ca, Mn, Fe, Mg, Ba, Sr, REE)(CO3). An association between cyanobacteria and the apatite crystals has been noted Cyanobacteria exhibited Raman modes at 1520-1517 cm-1 located in the double bonds of the central part of the polyene chain of carotenoids. A slight shift of this mode in the apatite-containing samples are dependent upon the compositions of carotenoids, the ratio of the rare earth elements adsorbed by cyanobacteria as well as their interaction with the environment. Laser-induced photoluminescence of REE and Mn+2, obtained as an analytical artifact in the Raman spectra, has been observed in most cases with significant spectral intensity. The luminescence emission of Mn 2+, Sm3+, Eu 3+, Pr3+, Ho3+, Er 3+ in the spectra of the apatite-containing samples obtained with 532 nm excitation can be attributed both to apatite and to other mineral phases with a low concentration which contain these elemental ions. The results obtained in this study allowed us to confirm that the biogenic presence of the cyanobacterial mat had a significant impact on the formation of the unique Nb-REE Tomtor deposit.
Collapse
Affiliation(s)
- T N Moroz
- Sobolev Institute of Geology and Mineralogy SB RAS, 630090 Novosibirsk, Russia.
| | - H G M Edwards
- School of Chemistry and Biosciences, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, West Yorkshire, United Kingdom.
| | - S M Zhmodik
- Sobolev Institute of Geology and Mineralogy SB RAS, 630090 Novosibirsk, Russia
| |
Collapse
|
10
|
Phase Stability and Vibrational Properties of Iron-Bearing Carbonates at High Pressure. MINERALS 2020. [DOI: 10.3390/min10121142] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The spin transition of iron can greatly affect the stability and various physical properties of iron-bearing carbonates at high pressure. Here, we reported laser Raman measurements on iron-bearing dolomite and siderite at high pressure and room temperature. Raman modes of siderite FeCO3 were investigated up to 75 GPa in the helium (He) pressure medium and up to 82 GPa in the NaCl pressure medium, respectively. We found that the electronic spin-paring transition of iron in siderite occurred sharply at 42–44 GPa, consistent with that in the neon (Ne) pressure medium in our previous study. This indicated that the improved hydrostaticity from Ne to He had minimal effects on the spin transition pressure. Remarkably, the spin crossover of siderite was broadened to 38–48 GPa in the NaCl pressure medium, due to the large deviatoric stress in the sample chamber. In addition, Raman modes of iron-bearing dolomite Ca1.02Mg0.76Fe0.20Mn0.02(CO3)2 were explored up to 58 GPa by using argon as a pressure medium. The sample underwent phase transitions from dolomite-Ⅰ to -Ⅰb phase at ~8 GPa, and then to -Ⅱ at ~15 and -Ⅲb phase at 36 GPa, while no spin transition was observed in iron-bearing dolomite up to 58 GPa. The incorporation of FeCO3 by 20 mol% appeared to marginally decrease the onset pressures of the three phase transitions aforementioned for pure dolomite. At 55–58 GPa, the ν1 mode shifted to a lower frequency at ~1186 cm−1, which was likely associated with the 3 + 1 coordination in dolomite-Ⅲb. These results shed new insights into the nature of iron-bearing carbonates at high pressure.
Collapse
|
11
|
Growth of cubic anhydrous magnesium carbonate single crystal in deep eutectic solvent. J SOLID STATE CHEM 2020. [DOI: 10.1016/j.jssc.2020.121684] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
12
|
SVD-clustering, a general image-analyzing method explained and demonstrated on model and Raman micro-spectroscopic maps. Sci Rep 2020; 10:4238. [PMID: 32144407 PMCID: PMC7060257 DOI: 10.1038/s41598-020-61206-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 02/24/2020] [Indexed: 11/08/2022] Open
Abstract
An image analyzing method (SVD-clustering) is presented. Amplitude vectors of SVD factorization (V1…Vi) were introduced into the imaging of the distribution of the corresponding Ui basis-spectra. Since each Vi vector contains each point of the map, plotting them along the X, Y, Z dimensions of the map reconstructs the spatial distribution of the corresponding Ui basis-spectrum. This gives valuable information about the first, second, etc. higher-order deviations present in the map. We extended SVD with a clustering method, using the significant Vi vectors from the VT matrix as coordinates of image points in a ne-dimensional space (ne is the effective rank of the data matrix). This way every image point had a corresponding coordinate in the ne-dimensional space and formed a point set. Clustering was applied to this point set. SVD-clustering is universal; it is applicable to any measurement where data are recorded as a function of an external parameter (time, space, temperature, concentration, species, etc.). Consequently, our method is not restricted to spectral imaging, it can find application in many different 2D and 3D image analyses. Using SVD-clustering, we have shown on models the theoretical possibilities and limitations of the method, especially in the context of creating, meaning/interpreting of cluster spectra. Then for real-world samples, two examples are presented, where we were able to reveal minute alterations in the samples (changing cation ratios in minerals, differently structured cellulose domains in plant root) with spatial resolution.
Collapse
|
13
|
Mineralogical Imaging for Characterization of the Per Geijer Apatite Iron Ores in the Kiruna District, Northern Sweden: A Comparative Study of Mineral Liberation Analysis and Raman Imaging. MINERALS 2019. [DOI: 10.3390/min9090544] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The Per Geijer iron oxide apatite deposits are important potential future resources for Luossavaara-Kiirunavaara Aktiebolag (LKAB) which has been continuously mining magnetite/hematite ores in northern Sweden for over 125 years. Reliable and quantitative characterization of the mineralization is required as these ores inherit complex mineralogical and textural features. Scanning electron microscopy-based analyses software, such as mineral liberation analyzer (MLA) provide significant, time-efficient analyses. Similar elemental compositions of Fe-oxides and, therefore, almost identical backscattered electron (BSE) intensities complicate their discrimination. In this study, MLA and Raman imaging are compared to acquire mineralogical data for better characterization of magnetite and hematite-bearing ores. The different approaches demonstrate advantages and disadvantages in classification, imaging, discrimination of iron oxides, and time consumption of measurement and processing. The obtained precise mineralogical information improves the characterization of ore types and will benefit future processing strategies for this complex mineralization.
Collapse
|
14
|
Lalla E, Sanz-Arranz A, Lopez-Reyes G, Cote K, Daly M, Konstantinidis M, Rodriguez-Losada JA, Groemer G, Medina J, Martínez-Frías J, Rull-Pérez F. A micro-Raman and X-ray study of erupted submarine pyroclasts from El Hierro (Spain) and its' astrobiological implications. LIFE SCIENCES IN SPACE RESEARCH 2019; 21:49-64. [PMID: 31101155 DOI: 10.1016/j.lssr.2019.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 04/12/2019] [Accepted: 04/14/2019] [Indexed: 06/09/2023]
Abstract
The pumice volcanic samples could have possible connections to the evolution of life and give us insight about their bio-geochemical processes related. In this regard, the samples from the volcanic eruption from La Restinga (El Hierro, Spain) in 2011 have been mainly studied by means of Raman spectroscopy. The research also includes analysis of XRD, Scanning Electron Microscopy and Optical Microscopy to support the Raman analysis. The results show that the Raman methods and mineral analyses are in strong agreement with the results obtained from other authors and techniques. The internal white foamy core (WFC) of the studied pumice samples shows amorphous silica, Fe-oxides, Ti-oxides, quartz, certain sulfates, carbonates, zeolites and organics. On the other hand, the external part (dark crust - DC) of these samples mainly presents primary-sequence mineralogy combined with some secondary alteration minerals such as olivine, feldspar, pyroxene, amorphous silica, and Fe-oxide. Raman spectroscopy detected other minerals not yet reported on these samples like barite, celestine and lepidocrocite. Also, the different chemometric and calibration methods for Raman spectroscopy in elemental composition, mineral classification and structural characterization has been successfully applied. From the astrobiological perspective, the research was also complemented with comparisons to other similar samples from terrestrial analogs. The main consideration was taking into account the proposed hypothesis regarding the potential behavior of the pumice as a substrate for the evolution of life. Furthermore, the detailed analysis from La Restinga eruption is coherent with the mineral phases and processes discussed from previous literature. The white internal part fulfills the conditions to work as an organic reservoir, confirmed by the detection of organic matter and selected minerals that could be used as energy sources for bacterial communities. The external layers of the samples work as a shielding layer to protect the organics from decay in extreme conditions. Finally, here we have demonstrated that the characteristics and advantages of Raman spectroscopy could help to assess and understand the possible biogenicity and alteration processes of any geological sample to be found on Mars.
Collapse
Affiliation(s)
- E Lalla
- Centre for Research in Earth and Space Science, York University, Petrie Science Building, 4700 Keele St, Toronto, M3J 1P3, ON, Canada; Austrian Space Forum, Sillufer 3a, Innsbruck, 6020, Austria.
| | - A Sanz-Arranz
- Departamento de Física de la Materia Condensada, Cristalografía y Mineralogía. Universidad de Valladolid, P de Belén 7, 47011, Valladolid, Spain
| | - G Lopez-Reyes
- Departamento de Física de la Materia Condensada, Cristalografía y Mineralogía. Universidad de Valladolid, P de Belén 7, 47011, Valladolid, Spain
| | - K Cote
- Centre for Research in Earth and Space Science, York University, Petrie Science Building, 4700 Keele St, Toronto, M3J 1P3, ON, Canada
| | - M Daly
- Centre for Research in Earth and Space Science, York University, Petrie Science Building, 4700 Keele St, Toronto, M3J 1P3, ON, Canada
| | - M Konstantinidis
- Centre for Research in Earth and Space Science, York University, Petrie Science Building, 4700 Keele St, Toronto, M3J 1P3, ON, Canada
| | - J A Rodriguez-Losada
- Departamento de Biología Animal, Edafología y Geología, Universidad de La Laguna, Tenerife, C/ Astrofisco Sanchez s/n, 38211, La Laguna, Santa Cruz de Tenerife, Spain
| | - G Groemer
- Austrian Space Forum, Sillufer 3a, Innsbruck, 6020, Austria
| | - J Medina
- Departamento de Física de la Materia Condensada, Cristalografía y Mineralogía. Universidad de Valladolid, P de Belén 7, 47011, Valladolid, Spain
| | - J Martínez-Frías
- Dinámica Terrestre y Observación de la Tierra, Instituto de Geociencias, C/Severo Ochoa 7, Ed Entrepabellones 7 y 8, Ciudad Universitaria, 28040 Madrid, Spain
| | - F Rull-Pérez
- Austrian Space Forum, Sillufer 3a, Innsbruck, 6020, Austria
| |
Collapse
|
15
|
Direct mineralogical imaging of economic ore and rock samples with multi-modal nonlinear optical microscopy. Sci Rep 2018; 8:16917. [PMID: 30446672 PMCID: PMC6240089 DOI: 10.1038/s41598-018-34779-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 10/23/2018] [Indexed: 11/18/2022] Open
Abstract
Multi-modal nonlinear optical (NLO) microscopy, including stimulated Raman scattering (SRS) and second harmonic generation (SHG), was used to directly image mineralogical features of economic ore and rock samples. In SRS/SHG imaging, ore samples generally require minimal preparation and may be rapidly imaged, even in their wet state. 3D structural details, at submicron resolution, are revealed tens of microns deep within samples. Standard mineral imaging based on scanning electron microscopy (SEM), with elemental analysis via energy dispersive X-Ray spectroscopy, was used to independently validate the mineral composition of the samples. Spatially-resolved SRS from dominant Raman-resonant bands precisely maps the locations of specific minerals contained within the samples. SHG imaging reveals locally non-centrosymmetric structures, such as quartz grains. Competing absorption and nonlinear scattering processes, however, can reduce contrast in SRS imaging. Importantly, the correlation between standard electron microscopy and multi-modal NLO optical microscopy shows that the latter offers rapid image contrast based on the mineral content of the sample.
Collapse
|
16
|
Shkolyar S, Farmer JD. Biosignature Preservation Potential in Playa Evaporites: Impacts of Diagenesis and Implications for Mars Exploration. ASTROBIOLOGY 2018; 18:1460-1478. [PMID: 30124326 DOI: 10.1089/ast.2018.1849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Assessing biosignature preservation potential (BPP) in ancient habitable environments on Mars is a top NASA priority. We address this goal through the study of Miocene-Pliocene evaporites of the Verde Formation (central Arizona). We assessed the effects of diagenesis on BPP, integrating outcrop-scale observations with six lab analyses: thin-section petrography, X-ray diffraction, Raman spectroscopy, total organic carbon (TOC), electron probe microanalysis (EPMA), and visible to near-infrared (VNIR) reflectance spectroscopy. We recognized five facies and their diagenetic pathways. Two facies included mudstones which contain clusters of displacive growth gypsum (DGG). Early DGG was altered during diagenesis by dissolution forming crystal cavities and later underwent recrystallization, cation substitution, and sulfate dehydration. Another facies was identified by lenticular beds dominated by halite and late diagenetic thenardite (Na2SO4). These pods are overlain by a sequence of interbedded gray and red mudstones which record cyclic oxidation and Fe-oxide cementation. During the Pleistocene, a lacustrine environment developed, accompanied by magnesite cementation of playa mudstones. TOC analyses were used as a proxy for inferring the BPP in each facies. The highest BPP was associated with both red and gray mudstone facies. This study provides a taphonomic framework for playa environments on Earth that record the impacts of diagenesis on BPP, with potential applications to Mars sample return (MSR) missions.
Collapse
Affiliation(s)
- Svetlana Shkolyar
- School of Earth and Space Exploration, Arizona State University , Tempe, Arizona
| | - Jack D Farmer
- School of Earth and Space Exploration, Arizona State University , Tempe, Arizona
| |
Collapse
|
17
|
Marin-Carbonne J, Remusat L, Sforna MC, Thomazo C, Cartigny P, Philippot P. Sulfur isotope's signal of nanopyrites enclosed in 2.7 Ga stromatolitic organic remains reveal microbial sulfate reduction. GEOBIOLOGY 2018; 16:121-138. [PMID: 29380506 DOI: 10.1111/gbi.12275] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 12/18/2017] [Indexed: 06/07/2023]
Abstract
Microbial sulfate reduction (MSR) is thought to have operated very early on Earth and is often invoked to explain the occurrence of sedimentary sulfides in the rock record. Sedimentary sulfides can also form from sulfides produced abiotically during late diagenesis or metamorphism. As both biotic and abiotic processes contribute to the bulk of sedimentary sulfides, tracing back the original microbial signature from the earliest Earth record is challenging. We present in situ sulfur isotope data from nanopyrites occurring in carbonaceous remains lining the domical shape of stromatolite knobs of the 2.7-Gyr-old Tumbiana Formation (Western Australia). The analyzed nanopyrites show a large range of δ34 S values of about 84‰ (from -33.7‰ to +50.4‰). The recognition that a large δ34 S range of 80‰ is found in individual carbonaceous-rich layers support the interpretation that the nanopyrites were formed in microbial mats through MSR by a Rayleigh distillation process during early diagenesis. An active microbial cycling of sulfur during formation of the stromatolite may have facilitated the mixing of different sulfur pools (atmospheric and hydrothermal) and explain the weak mass independent signature (MIF-S) recorded in the Tumbiana Formation. These results confirm that MSR participated actively to the biogeochemical cycling of sulfur during the Neoarchean and support previous models suggesting anaerobic oxidation of methane using sulfate in the Tumbiana environment.
Collapse
Affiliation(s)
- J Marin-Carbonne
- Institut de Physique du Globe - Sorbonne Paris Cité, CNRS, Université Paris Diderot, Paris Cedex 05, France
- Univ Lyon- UJM St Etienne, Laboratoire Magmas et Volcans, UCA, CNRS, IRD, UMR 6524, Saint Etienne, France
| | - L Remusat
- Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie (IMPMC), UPMC, UMR CNRS 7590, UMR IRD 206, Sorbonne Universités - Muséum National d'Histoire Naturelle, Paris, France
| | - M C Sforna
- Institut de Physique du Globe - Sorbonne Paris Cité, CNRS, Université Paris Diderot, Paris Cedex 05, France
- Department of Geology, Palaeobiogeology-Palaeobotany-Palaeopalynology, University of Liège, Liège, Belgium
| | - C Thomazo
- UMR CNRS/uB6282 Biogéosciences, UFR Sciences Vie Terre Environnement Université de Bourgogne Franche Comté, Dijon, France
| | - P Cartigny
- Institut de Physique du Globe - Sorbonne Paris Cité, CNRS, Université Paris Diderot, Paris Cedex 05, France
| | - P Philippot
- Institut de Physique du Globe - Sorbonne Paris Cité, CNRS, Université Paris Diderot, Paris Cedex 05, France
- Géosciences Montpellier, CNRS-UMR 5243, Université de Montpellier, Montpellier Cedex 5, France
| |
Collapse
|
18
|
Sforna MC, Daye M, Philippot P, Somogyi A, van Zuilen MA, Medjoubi K, Gérard E, Jamme F, Dupraz C, Braissant O, Glunk C, Visscher PT. Patterns of metal distribution in hypersaline microbialites during early diagenesis: Implications for the fossil record. GEOBIOLOGY 2017; 15:259-279. [PMID: 27935656 DOI: 10.1111/gbi.12218] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 09/28/2016] [Indexed: 06/06/2023]
Abstract
The use of metals as biosignatures in the fossil stromatolite record requires understanding of the processes controlling the initial metal(loid) incorporation and diagenetic preservation in living microbialites. Here, we report the distribution of metals and the organic fraction within the lithifying microbialite of the hypersaline Big Pond Lake (Bahamas). Using synchrotron-based X-ray microfluorescence, confocal, and biphoton microscopies at different scales (cm-μm) in combination with traditional geochemical analyses, we show that the initial cation sorption at the surface of an active microbialite is governed by passive binding to the organic matrix, resulting in a homogeneous metal distribution. During early diagenesis, the metabolic activity in deeper microbialite layers slows down and the distribution of the metals becomes progressively heterogeneous, resulting from remobilization and concentration as metal(loid)-enriched sulfides, which are aligned with the lamination of the microbialite. In addition, we were able to identify globules containing significant Mn, Cu, Zn, and As enrichments potentially produced through microbial activity. The similarity of the metal(loid) distributions observed in the Big Pond microbialite to those observed in the Archean stromatolites of Tumbiana provides the foundation for a conceptual model of the evolution of the metal distribution through initial growth, early diagenesis, and fossilization of a microbialite, with a potential application to the fossil record.
Collapse
Affiliation(s)
- M C Sforna
- Geobiosphère Actuelle & Primitive, Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, CNRS, Paris, France
- Dipartimento di Scienze Chimiche e Geologiche, Università di Modena e Reggio Emilia, Modena, Italy
| | - M Daye
- Geobiosphère Actuelle & Primitive, Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, CNRS, Paris, France
- Synchrotron Soleil, Gif-sur-Yvette, France
| | - P Philippot
- Geobiosphère Actuelle & Primitive, Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, CNRS, Paris, France
| | - A Somogyi
- Synchrotron Soleil, Gif-sur-Yvette, France
| | - M A van Zuilen
- Geomicrobiologie, Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, CNRS, Paris, France
| | - K Medjoubi
- Synchrotron Soleil, Gif-sur-Yvette, France
| | - E Gérard
- Geomicrobiologie, Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, CNRS, Paris, France
| | - F Jamme
- Synchrotron Soleil, Gif-sur-Yvette, France
| | - C Dupraz
- Department of Geological Sciences, Stockholms Universitet, Stockholm, Sweden
| | - O Braissant
- Center for Biomechanics and Biocalorimetry, University of Basel, Basel, Switzerland
| | - C Glunk
- Societe Suisse des Explosifs SA, Brig, Switzerland
| | - P T Visscher
- Department of Marine Sciences, University of Connecticut, Groton, CT, USA
| |
Collapse
|
19
|
Fu S, Yang J, Lin JF. Abnormal Elasticity of Single-Crystal Magnesiosiderite across the Spin Transition in Earth's Lower Mantle. PHYSICAL REVIEW LETTERS 2017; 118:036402. [PMID: 28157335 DOI: 10.1103/physrevlett.118.036402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Indexed: 06/06/2023]
Abstract
Brillouin light scattering and impulsive stimulated light scattering have been used to determine the full elastic constants of magnesiosiderite [(Mg_{0.35}Fe_{0.65})CO_{3}] up to 70 GPa at room temperature in a diamond-anvil cell. Drastic softening in C_{11}, C_{33}, C_{12}, and C_{13} elastic moduli associated with the compressive stress component and stiffening in C_{44} and C_{14} moduli associated with the shear stress component are observed to occur within the spin transition between ∼42.4 and ∼46.5 GPa. Negative values of C_{12} and C_{13} are also observed within the spin transition region. The Born criteria constants for the crystal remain positive within the spin transition, indicating that the mixed-spin state remains mechanically stable. Significant auxeticity can be related to the electronic spin transition-induced elastic anomalies based on the analysis of Poisson's ratio. These elastic anomalies are explained using a thermoelastic model for the rhombohedral system. Finally, we conclude that mixed-spin state ferromagnesite, which is potentially a major deep-carbon carrier, is expected to exhibit abnormal elasticity, including a negative Poisson's ratio of -0.6 and drastically reduced V_{P} by 10%, in Earth's midlower mantle.
Collapse
Affiliation(s)
- Suyu Fu
- Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas 78712, USA
| | - Jing Yang
- Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas 78712, USA
| | - Jung-Fu Lin
- Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas 78712, USA
| |
Collapse
|
20
|
Qu Y, Engdahl A, Zhu S, Vajda V, McLoughlin N. Ultrastructural Heterogeneity of Carbonaceous Material in Ancient Cherts: Investigating Biosignature Origin and Preservation. ASTROBIOLOGY 2015; 15:825-42. [PMID: 26496525 DOI: 10.1089/ast.2015.1298] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Opaline silica deposits on Mars may be good target sites where organic biosignatures could be preserved. Potential analogues on Earth are provided by ancient cherts containing carbonaceous material (CM) permineralized by silica. In this study, we investigated the ultrastructure and chemical characteristics of CM in the Rhynie chert (c. 410 Ma, UK), Bitter Springs Formation (c. 820 Ma, Australia), and Wumishan Formation (c. 1485 Ma, China). Raman spectroscopy indicates that the CM has experienced advanced diagenesis or low-grade metamorphism at peak metamorphic temperatures of 150-350°C. Raman mapping and micro-Fourier transform infrared (micro-FTIR) spectroscopy were used to document subcellular-scale variation in the CM of fossilized plants, fungi, prokaryotes, and carbonaceous stromatolites. In the Rhynie chert, ultrastructural variation in the CM was found within individual fossils, while in coccoidal and filamentous microfossils of the Bitter Springs and formless CM of the Wumishan stromatolites ultrastructural variation was found between, not within, different microfossils. This heterogeneity cannot be explained by secondary geological processes but supports diverse carbonaceous precursors that experienced differential graphitization. Micro-FTIR analysis found that CM with lower structural order contains more straight carbon chains (has a lower R3/2 branching index) and that the structural order of eukaryotic CM is more heterogeneous than prokaryotic CM. This study demonstrates how Raman spectroscopy combined with micro-FTIR can be used to investigate the origin and preservation of silica-permineralized organics. This approach has good capability for furthering our understanding of CM preserved in Precambrian cherts, and potential biosignatures in siliceous deposits on Mars.
Collapse
Affiliation(s)
- Yuangao Qu
- 1 Department of Earth Science and Centre for Geobiology, University of Bergen , Norway
| | | | - Shixing Zhu
- 3 Tianjin Institute of Geology and Mineral Resources , CGS, China
| | - Vivi Vajda
- 4 Department of Palaeobiology, Swedish Museum of Natural History , Sweden
- 5 Department of Geology, Lund University , Sweden
| | - Nicola McLoughlin
- 1 Department of Earth Science and Centre for Geobiology, University of Bergen , Norway
| |
Collapse
|
21
|
Song Y, Yu K, Zhao J, Feng Y, Shi Q, Zhang H, Ayoko GA, Frost RL. Past 140-year environmental record in the northern South China Sea: evidence from coral skeletal trace metal variations. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 185:97-106. [PMID: 24239673 DOI: 10.1016/j.envpol.2013.10.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2013] [Revised: 10/13/2013] [Accepted: 10/16/2013] [Indexed: 06/02/2023]
Abstract
About 140-year changes in the trace metals in Porites coral samples from two locations in the northern South China Sea were investigated. Results of PCA analyses suggest that near the coast, terrestrial input impacted behavior of trace metals by 28.4%, impact of Sea Surface Temperature (SST) was 19.0%, contribution of war and infrastructure were 14.4% and 15.6% respectively. But for a location in the open sea, contribution of War and SST reached 33.2% and 16.5%, while activities of infrastructure and guano exploration reached 13.2% and 14.7%. While the spatiotemporal change model of Cu, Cd and Pb in seawater of the north area of South China Sea during 1986-1997 were reconstructed. It was found that in the sea area Cu and Cd contaminations were distributed near the coast while areas around Sanya, Hainan had high Pb levels because of the well-developed tourism related activities.
Collapse
Affiliation(s)
- Yinxian Song
- Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Xingang West Road 164, Guangzhou 510301, Guangdong Province, PR China; Radiogenic Isotope Facility, Centre for Microscopy and Microanalysis, University of Queensland, Brisbane, QLD 4072, Australia; Discipline of Nanotechnology and Molecular Sciences, School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology, 2 George Street, GPO Box 2434, Brisbane, QLD 4001, Australia.
| | - Kefu Yu
- Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Xingang West Road 164, Guangzhou 510301, Guangdong Province, PR China; Radiogenic Isotope Facility, Centre for Microscopy and Microanalysis, University of Queensland, Brisbane, QLD 4072, Australia
| | - Jianxin Zhao
- Radiogenic Isotope Facility, Centre for Microscopy and Microanalysis, University of Queensland, Brisbane, QLD 4072, Australia
| | - Yuexing Feng
- Radiogenic Isotope Facility, Centre for Microscopy and Microanalysis, University of Queensland, Brisbane, QLD 4072, Australia
| | - Qi Shi
- Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Xingang West Road 164, Guangzhou 510301, Guangdong Province, PR China
| | - Huiling Zhang
- Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Xingang West Road 164, Guangzhou 510301, Guangdong Province, PR China
| | - Godwin A Ayoko
- Discipline of Nanotechnology and Molecular Sciences, School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology, 2 George Street, GPO Box 2434, Brisbane, QLD 4001, Australia
| | - Ray L Frost
- Discipline of Nanotechnology and Molecular Sciences, School of Chemistry, Physics and Mechanical Engineering, Science and Engineering Faculty, Queensland University of Technology, 2 George Street, GPO Box 2434, Brisbane, QLD 4001, Australia
| |
Collapse
|
22
|
Noffke N, Christian D, Wacey D, Hazen RM. Microbially induced sedimentary structures recording an ancient ecosystem in the ca. 3.48 billion-year-old Dresser Formation, Pilbara, Western Australia. ASTROBIOLOGY 2013; 13:1103-24. [PMID: 24205812 PMCID: PMC3870916 DOI: 10.1089/ast.2013.1030] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Accepted: 10/21/2013] [Indexed: 05/19/2023]
Abstract
Microbially induced sedimentary structures (MISS) result from the response of microbial mats to physical sediment dynamics. MISS are cosmopolitan and found in many modern environments, including shelves, tidal flats, lagoons, riverine shores, lakes, interdune areas, and sabkhas. The structures record highly diverse communities of microbial mats and have been reported from numerous intervals in the geological record up to 3.2 billion years (Ga) old. This contribution describes a suite of MISS from some of the oldest well-preserved sedimentary rocks in the geological record, the early Archean (ca. 3.48 Ga) Dresser Formation, Western Australia. Outcrop mapping at the meter to millimeter scale defined five sub-environments characteristic of an ancient coastal sabkha. These sub-environments contain associations of distinct macroscopic and microscopic MISS. Macroscopic MISS include polygonal oscillation cracks and gas domes, erosional remnants and pockets, and mat chips. Microscopic MISS comprise tufts, sinoidal structures, and laminae fabrics; the microscopic laminae are composed of primary carbonaceous matter, pyrite, and hematite, plus trapped and bound grains. Identical suites of MISS occur in equivalent environmental settings through the entire subsequent history of Earth including the present time. This work extends the geological record of MISS by almost 300 million years. Complex mat-forming microbial communities likely existed almost 3.5 billion years ago.
Collapse
Affiliation(s)
- Nora Noffke
- Old Dominion University, Department of Ocean, Earth and Atmospheric Sciences, Norfolk, Virginia, USA
| | - Daniel Christian
- Old Dominion University, Department of Ocean, Earth and Atmospheric Sciences, Norfolk, Virginia, USA
| | - David Wacey
- Department of Earth Sciences and Centre for Geobiology, University of Bergen, Norway
- Australian Research Council Centre of Excellence for Core to Crust Fluid Systems, Centre for Microscopy Characterisation and Analysis, and Centre for Exploration Targeting, The University of Western Australia, Perth, Australia
| | - Robert M. Hazen
- Carnegie Institution of Washington, Geophysical Laboratory, Washington, DC, USA
| |
Collapse
|
23
|
Song Y, Yu K, Ayoko GA, Frost RL, Shi Q, Feng Y, Zhao J. Vibrational spectroscopic characterization of growth bands in Porites coral from South China Sea. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 112:95-100. [PMID: 23659956 DOI: 10.1016/j.saa.2013.04.049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2012] [Revised: 04/02/2013] [Accepted: 04/10/2013] [Indexed: 06/02/2023]
Abstract
A series of samples from different growth bands of Porites coral skeleton were studied using Raman, infrared reflectance methods. The Raman spectra proved that skeleton samples from different growth bands have the same mineral phase as aragonite, but a band at 133 cm(-1) for the top layer shows a transition from ~120 cm(-1) for vaterite to ~141 cm(-1) for aragonite. It is inferred that the vaterite should be the precursor of aragonite of coral skeleton. The positional shift in the infrared spectra of the skeleton samples from growth bands correlate significantly to their minor elements (Li, Mg, Sr, Mn, Fe and U) contents. Mg, Sr and U especially have significant negative correlations with the positions of the antisymmetric stretching band ν3 at ~1469 cm(-1). And Li shows a high negative correlation with ν2 band (~855 cm(-1)), while Sr and Mn show similar negative correlation with ν4 band (~712 cm(-1)). And Mn also shows a negative correlation with ν1 band (~1082 cm(-1)). A significantly negative correlation is observed for U with ν1+ν4 band (~1786 cm(-1)). However, Fe shows positive correlation with ν1, ν2, ν3, ν4 and ν1+ν4 bands shifts, especially a significant correlation with ν1 band (~1082 cm(-1)). New insights into the characteristics of coral at different growth bands of skeleton are given in present work.
Collapse
Affiliation(s)
- Yinxian Song
- Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Xingang West Road 164, Guangzhou 510301, Guangdong Province, PR China.
| | | | | | | | | | | | | |
Collapse
|
24
|
Gérard E, Ménez B, Couradeau E, Moreira D, Benzerara K, Tavera R, López-García P. Specific carbonate-microbe interactions in the modern microbialites of Lake Alchichica (Mexico). ISME JOURNAL 2013; 7:1997-2009. [PMID: 23804151 DOI: 10.1038/ismej.2013.81] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Revised: 03/22/2013] [Accepted: 04/17/2013] [Indexed: 02/02/2023]
Abstract
The role of microorganisms in microbialite formation remains unresolved: do they induce mineral precipitation (microbes first) or do they colonize and/or entrap abiotic mineral precipitates (minerals first)? Does this role vary from one species to another? And what is the impact of mineral precipitation on microbial ecology? To explore potential biogenic carbonate precipitation, we studied cyanobacteria-carbonate assemblages in modern hydromagnesite-dominated microbialites from the alkaline Lake Alchichica (Mexico), by coupling three-dimensional imaging of molecular fluorescence emitted by microorganisms, using confocal laser scanning microscopy, and Raman scattering/spectrometry from the associated minerals at a microscale level. Both hydromagnesite and aragonite precipitate within a complex biofilm composed of photosynthetic and other microorganisms. Morphology and pigment-content analysis of dominant photosynthetic microorganisms revealed up to six different cyanobacterial morphotypes belonging to Oscillatoriales, Chroococcales, Nostocales and Pleurocapsales, as well as several diatoms and other eukaryotic microalgae. Interestingly, one of these morphotypes, Pleurocapsa-like, appeared specifically associated with aragonite minerals, the oldest parts of actively growing Pleurocapsa-like colonies being always aragonite-encrusted. We hypothesize that actively growing cells of Pleurocapsales modify local environmental conditions favoring aragonite precipitation at the expense of hydromagnesite, which precipitates at seemingly random locations within the biofilm. Therefore, at least part of the mineral precipitation in Alchichica microbialites is most likely biogenic and the type of biominerals formed depends on the nature of the phylogenetic lineage involved. This observation may provide clues to identify lineage-specific biosignatures in fossil stromatolites from modern to Precambrian times.
Collapse
Affiliation(s)
- Emmanuelle Gérard
- Géobiosphère Actuelle et Primitive, Institut de Physique du Globe de Paris, CNRS UMR 7154, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | | | | | | | | | | | | |
Collapse
|
25
|
Tanaka Z, Perry M, Cooper G, Tang S, McKay CP, Chen B. Near-infrared (NIR) Raman spectroscopy of Precambrian carbonate stromatolites with post-depositional organic inclusions. APPLIED SPECTROSCOPY 2012; 66:911-916. [PMID: 22800768 DOI: 10.1366/11-06523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Raman spectroscopy has promising potential for future Mars missions as a non-contact detection technique for characterizing organic material and mineralogy. Such a capability will be useful for selecting samples for detailed analysis on a rover and for selecting samples for return to Earth. Stromatolites are important evidence for the earliest life on Earth and are promising targets for Mars investigations. Although constructed by microorganisms, stromatolites are organo-sedimentary structures that can be large enough to be discovered and investigated by a Mars rover. In this paper, we report the Raman spectroscopic investigations of the carbonate mineralogy and organic layering in a Precambrian (~1.5 Gyr old) stromatolite from the Crystal Spring Formation of Southern California. Ultraviolet (UV: 266 nm), visible (514 nm, 633 nm), and near-infrared (NIR: 785 nm, 1064 nm) Raman spectra are presented. We conclude that 1064 nm excitation is the optimal excitation wavelength for avoiding intrinsic fluorescence and detecting organic carbon within the carbonate matrix. Our results confirm that NIR Raman spectroscopy has important applications for future Mars missions.
Collapse
Affiliation(s)
- Zuki Tanaka
- Department of Electrical Engineering, UC Santa Cruz, Santa Cruz, CA 95060, USA
| | | | | | | | | | | |
Collapse
|