Výsledky vyhledávání - "Nancy W. Hinman"

Akademický článek

Controls on Reactive Oxygen Species Cycles in Yellowstone Hot Springs: Implications for Biosignature Preservation on Mars

Autor: Nancy W. Hinman, Megan A. Mave, Leanne C. Powers, Philippe Schmitt-Kopplin, Nathalie A. Cabrol, Michael Gonsior

Publikováno v: Frontiers in Astronomy and Space Sciences, Vol 9 (2022)

Early Earth and Mars had analogous environments. While life developed on our planet, the question of whether it did on Mars remains to be answered. Hot spring deposits are compelling targets for exploration because of their high habitability and pote

Externí odkaz: https://doaj.org/article/85462edb9dfb4831a5456d5789d71e12

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Akademický článek

Surface Morphologies in a Mars-Analog Ca-Sulfate Salar, High Andes, Northern Chile

Publikováno v: Frontiers in Astronomy and Space Sciences, Vol 8 (2022)

Salar de Pajonales, a Ca-sulfate salt flat in the Chilean High Andes, showcases the type of polyextreme environment recognized as one of the best terrestrial analogs for early Mars because of its aridity, high solar irradiance, salinity, and oxidatio

Externí odkaz: https://doaj.org/article/2898d5eb096742f9b0d09d097b6e66ae

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Akademický článek

Salt Constructs in Paleo-Lake Basins as High-Priority Astrobiology Targets

Autor: Michael S. Phillips, Michael McInenly, Michael H. Hofmann, Nancy W. Hinman, Kimberley Warren-Rhodes, Edgard G. Rivera-Valentín, Nathalie A. Cabrol

Publikováno v: Remote Sensing, Vol 15, Iss 2, p 314 (2023)

In extreme environments, microbial organisms reside in pockets with locally habitable conditions. Micro-climates conducive to the persistence of life in an otherwise inhospitable environment—“refugia”—are spatially restricted and can be micro

Externí odkaz: https://doaj.org/article/af9c3ee0d4af40bda1e763bf4d27352e

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Complex carbonaceous matter in Tissint martian meteorites give insights into the diversity of organic geochemistry on Mars

Autor: Philippe Schmitt-Kopplin, Marco Matzka, Alexander Ruf, Benedicte Menez, Hasnaa Chennaoui Aoudjehane, Mourad Harir, Marianna Lucio, Jasmine Hertzog, Norbert Hertkorn, Régis D. Gougeon, Victor Hoffmann, Nancy W. Hinman, Ludovic Ferrière, Ansgar Greshake, Zelimir Gabelica, László Trif, Andrew Steele

Publikováno v: Science Advances
Science Advances, 2023, 9 (2), pp.eadd6439. ⟨10.1126/sciadv.add6439⟩

We report a huge organic diversity in the Tissint Mars meteorite and the sampling of several mineralogical lithologies, which revealed that the organic molecules were nonuniformly distributed in functionality and abundance. The range of organics in T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::820b7f0eba8e047873f14fba243c5bea
https://doi.org/10.1126/sciadv.add6439

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Targeting mixtures of jarosite and clay minerals for Mars exploration

Autor: Roberto P. Anitori, Malcolm R. Walter, Ruth M. Henneberger, Charles Doc Richardson, Virginia C. Gulick, Janice L. Bishop, Lindsay A. MacKenzie, G. Berlanga, Nancy W. Hinman, Paige Morkner, Jill R. Scott, Peter L. Bergquist, J. Michelle Kotler Dettmann

Publikováno v: American Mineralogist. 106:1237-1254

Terrestrial thermal environments can serve as analogs for subsurface environments in the search for life because they regularly host microbial communities, which may leave behind biosignatures. This study focused on an acid-sulfate hydrothermal site

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::301792d6e98959c925df85ca0b46b613
https://doi.org/10.2138/am-2021-7415

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VNIR Spectral Analyses of Paleolake sediments at Lejía in the Altiplano region of Chile

Autor: Janice L. Bishop, María Ángeles Lezcano Vega, Victor Parro, Nathalie A. Cabrol, Laura Sánchez-García, Kimberly Warren Rhodes, Nancy W. Hinman

The mineralogy of paleolake sediment strata at the high elevation (~4300 m) Lejía depression in the Altiplano region of Chile reflect evolution of the lake geochemistry over time. This mineralogical study is part of a larger project characterizing t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f8c948ccc24bb886564dfa6df5387fa
https://doi.org/10.5194/epsc2021-453

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Silica diagenesis: Mortar Geyser Complex, Yellowstone National Park, USA

Autor: Nancy W. Hinman

Publikováno v: Water-Rock Interaction ISBN: 9780203734049
Water-Rock Interaction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::30b1b7ab239baf98f6574c21a16cacac
https://doi.org/10.1201/9780203734049-126

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Deciphering Biosignatures in Planetary Contexts

Publikováno v: Astrobiology, 19(9), 1075-1102. Mary Ann Liebert Inc.
Chan, M A, Hinman, N W, Potter-Mcintyre, S L, Schubert, K E, Gillams, R J, Awramik, S M, Boston, P J, Bower, D M, Des Marais, D J, Farmer, J D, Jia, T Z, King, P L, Hazen, R M, Léveillé, R J, Papineau, D, Rempfert, K R, Sánchez-Román, M, Spear, J R, Southam, G, Stern, J C & Cleaves, H J 2019, ' Deciphering Biosignatures in Planetary Contexts ', Astrobiology, vol. 19, no. 9, pp. 1075-1102 . https://doi.org/10.1089/ast.2018.1903
Astrobiology

Microbial life permeates Earth's critical zone and has likely inhabited nearly all our planet's surface and near subsurface since before the beginning of the sedimentary rock record. Given the vast time that Earth has been teeming with life, do astro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6507b20ade710167c64808d34cd458df
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100847258

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