Výsledky vyhledávání - "Kevin, RIghter"

Oxygen fugacity buffering in high-pressure solid media assemblies from IW-6.5 to IW+4.5 and application to the V K-edge oxybarometer

Autor: Kevin Righter, Anna L. Butterworth, Zack Gainsforth, Christine E. Jilly-Rehak, Subhayan Roychoudhury, Kayla Iacovino, Richard Rowland, Timmons M. Erickson, Kellye Pando, Daniel K. Ross, David Prendergast, Andrew J. Westphal

Publikováno v: American Mineralogist. 108:498-513

Control of oxygen fugacity during high-temperature phase equilibrium experiments is required to simulate the conditions that exist in natural systems. At high pressures, oxygen fugacity may be imposed using solid buffer equilibria via the classic “

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::836bf9882c79e885c535581207ecc597
https://doi.org/10.2138/am-2022-8301

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Akademický článek

Prokaryotic and Fungal Characterization of the Facilities Used to Assemble, Test, and Launch the OSIRIS-REx Spacecraft

Autor: Aaron B. Regberg, Christian L. Castro, Harold C. Connolly, Richard E. Davis, Jason P. Dworkin, Dante S. Lauretta, Scott R. Messenger, Hannah L. Mclain, Francis M. McCubbin, Jamie L. Moore, Kevin Righter, Sarah Stahl-Rommel, Sarah L. Castro-Wallace

Publikováno v: Frontiers in Microbiology, Vol 11 (2020)

To characterize the ATLO (Assembly, Test, and Launch Operations) environment of the OSIRIS-REx spacecraft, we analyzed 17 aluminum witness foils and two blanks for bacterial, archaeal, fungal, and arthropod DNA. Under NASA’s Planetary Protection gu

Externí odkaz: https://doaj.org/article/f9bfc56fc35945e0bd403991b0f9e6c3

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Making Planets on Earth: How Experimental Petrology Is Essential to Planetary Exploration

Autor: Kayla Iacovino, Nicole Lunning, Gordon Moore, Kathleen Vander Kaaden, Kevin Righter, Francis McCubbin, Kelsey Prissel, Paul Asimow

Our knowledge of the evolution of the solar system relies upon our ability to interpret a limited set of observations, including geochemical data from returned samples and meteorites, remotely sensed data from spacecraft and telescopes, and informati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5ce2d65ed74e592c60aecf4536e9ab86
https://doi.org/10.31223/x55w9b

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Effect of sulfur on siderophile element partitioning between olivine and a primary melt from the martian mantle

Autor: Tomohiro Usui, Kevin Righter, Charles K. Shearer, John H. Jones

Publikováno v: American Mineralogist. 107:357-368

Ni and Co variations in primary martian magmas exhibit anomalous incompatible behavior, which has remained an unexplained conundrum. Because martian magmas are S-rich, and some trace metals are reported to have enhanced solubility in S-bearing magmas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a999402e568f818d42e5ce31bce347e4
https://doi.org/10.2138/am-2021-7743

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The Sn isotope composition of chondrites: Implications for volatile element depletion in the Solar System

Autor: Bernard Bourdon, Xueying Wang, Kevin Righter, Caroline Fitoussi, Quentin Amet

Publikováno v: Geochimica et Cosmochimica Acta
Geochimica et Cosmochimica Acta, 2021, 312, pp.139-157. ⟨10.1016/j.gca.2021.08.011⟩

International audience; The origin of volatile element depletion in terrestrial planets and meteorites relative to a solar composition represented by CI carbonaceous chondrites remains an unsolved problem. The isotope compositions of moderately volat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9d9c91c92ae0b0a924ace7f3228eb80
https://doi.org/10.1016/j.gca.2021.08.011

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