Organic matter in extraterrestrial water-bearing salt crystals
Abstract
Direct evidence of complex prebiotic chemistry from a water-rich world in the outer solar system is provided by the 4.5-billion-year-old halite crystals hosted in the Zag and Monahans (1998) meteorites. This study offers the first comprehensive organic analysis of the soluble and insoluble organic compounds found in the millimeter-sized halite crystals containing brine inclusions and sheds light on the nature and activity of aqueous fluids on a primitive parent body. Associated with these trapped brines are organic compounds exhibiting wide chemical variations representing organic precursors, intermediates, and reaction products that make up life’s precursor molecules such as amino acids. The organic compounds also contain a mixture of C-, O-, and N-bearing macromolecular carbon materials exhibiting a wide range of structural order, as well as aromatic, ketone, imine, and/or imidazole compounds. The enrichment in 15N is comparable to the organic matter in pristine Renazzo-type carbonaceous chondrites, which reflects the sources of interstellar 15N, such as ammonia and amino acids. The amino acid content of the Zag halite deviates from the meteorite matrix, supporting an exogenic origin of the halite, and therefore, the Zag meteorite contains organics synthesized on two distinct parent bodies. Lastly, our study suggests that the asteroidal parent bodymore »
- Authors:
-
[1];
[1];
[2];
[3];
[4];
[5];
[7];
[9];
[10];
[10]
- NASA Johnson Space Center, Houston, TX (United States). Astromaterials Research and Exploration Science
- Yokohama National Univ., Hodogayaku, Yokohama (Japan). Faculty of Engineering
- Japan Agency for Marine-Earth Science and Technology, Otsu, Nankoku, Kochi (Japan). Kochi Inst. for Core Sample Research
- Carnegie Inst. of Washington, Washington, DC (United States). Geophysical Lab.
- NASA Johnson Space Center, Houston, TX (United States)
- Kyoto Univ. (Japan). Graduate School of Science
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
- Hiroshima Univ., Higashi-Hiroshima, Hiroshima (Japan). Dept. of Earth and Planetary Systems Science
- Univ. of Tokyo, Hongo, Bunkyo-ku (Japan). Dept. of Earth and Planetary Science
- Inst. of Materials Structure Science, High-Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki (Japan); Graduate University for Advanced Studies (SOKENDAI), Tsukuba (Japan). Dept. of Materials Structure Science
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); National Institutes of Natural Sciences (NINS); Japan Society for the Promotion of Science (JSPS); National Aeronautics and Space Administration (NASA)
- OSTI Identifier:
- 1434010
- Grant/Contract Number:
- AC02-05CH11231; AB261011; AB271007; JP15K17794; AB271015; AB281004
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Science Advances
- Additional Journal Information:
- Journal Volume: 4; Journal Issue: 1; Journal ID: ISSN 2375-2548
- Publisher:
- AAAS
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Chan, Queenie H. S., Zolensky, Michael E., Kebukawa, Yoko, Fries, Marc, Ito, Motoo, Steele, Andrew, Rahman, Zia, Nakato, Aiko, Kilcoyne, A. L. David, Suga, Hiroki, Takahashi, Yoshio, Takeichi, Yasuo, and Mase, Kazuhiko. Organic matter in extraterrestrial water-bearing salt crystals. United States: N. p., 2018.
Web. doi:10.1126/sciadv.aao3521.
Chan, Queenie H. S., Zolensky, Michael E., Kebukawa, Yoko, Fries, Marc, Ito, Motoo, Steele, Andrew, Rahman, Zia, Nakato, Aiko, Kilcoyne, A. L. David, Suga, Hiroki, Takahashi, Yoshio, Takeichi, Yasuo, & Mase, Kazuhiko. Organic matter in extraterrestrial water-bearing salt crystals. United States. https://doi.org/10.1126/sciadv.aao3521
Chan, Queenie H. S., Zolensky, Michael E., Kebukawa, Yoko, Fries, Marc, Ito, Motoo, Steele, Andrew, Rahman, Zia, Nakato, Aiko, Kilcoyne, A. L. David, Suga, Hiroki, Takahashi, Yoshio, Takeichi, Yasuo, and Mase, Kazuhiko. Wed .
"Organic matter in extraterrestrial water-bearing salt crystals". United States. https://doi.org/10.1126/sciadv.aao3521. https://www.osti.gov/servlets/purl/1434010.
@article{osti_1434010,
title = {Organic matter in extraterrestrial water-bearing salt crystals},
author = {Chan, Queenie H. S. and Zolensky, Michael E. and Kebukawa, Yoko and Fries, Marc and Ito, Motoo and Steele, Andrew and Rahman, Zia and Nakato, Aiko and Kilcoyne, A. L. David and Suga, Hiroki and Takahashi, Yoshio and Takeichi, Yasuo and Mase, Kazuhiko},
abstractNote = {Direct evidence of complex prebiotic chemistry from a water-rich world in the outer solar system is provided by the 4.5-billion-year-old halite crystals hosted in the Zag and Monahans (1998) meteorites. This study offers the first comprehensive organic analysis of the soluble and insoluble organic compounds found in the millimeter-sized halite crystals containing brine inclusions and sheds light on the nature and activity of aqueous fluids on a primitive parent body. Associated with these trapped brines are organic compounds exhibiting wide chemical variations representing organic precursors, intermediates, and reaction products that make up life’s precursor molecules such as amino acids. The organic compounds also contain a mixture of C-, O-, and N-bearing macromolecular carbon materials exhibiting a wide range of structural order, as well as aromatic, ketone, imine, and/or imidazole compounds. The enrichment in 15N is comparable to the organic matter in pristine Renazzo-type carbonaceous chondrites, which reflects the sources of interstellar 15N, such as ammonia and amino acids. The amino acid content of the Zag halite deviates from the meteorite matrix, supporting an exogenic origin of the halite, and therefore, the Zag meteorite contains organics synthesized on two distinct parent bodies. Lastly, our study suggests that the asteroidal parent body where the halite precipitated, potentially asteroid 1 Ceres, shows evidence for a complex combination of biologically and prebiologically relevant molecules.},
doi = {10.1126/sciadv.aao3521},
journal = {Science Advances},
number = 1,
volume = 4,
place = {United States},
year = {Wed Jan 10 00:00:00 EST 2018},
month = {Wed Jan 10 00:00:00 EST 2018}
}
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