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First Elemental Sulfur Detection on Mars by APXS associated with the Gediz Valliz Deposit within Gale Crater
AQUEOUS PROCESSES ACROSS OUR SOLAR SYSTEM: INTERPRETING HOW WATER SHAPES TERRESTRIAL AND PLANETARY SURFACES AT DIFFERENT SPATIAL SCALES I ORAL
earth and planetary surface processes | 13 december 2024
Lucy M. Thompson, Scott VanBommel, Jeff A. Berger,...
APXS analysis of the Snow Lakes target is the first reported and definitive detection of elemental sulfur on Mars. Snow Lakes is a bright-toned rock t...
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Manganese Mobility in Gale Crater, Mars: Leached Bedrock and Localized Enrichments
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
06 october 2022
Jeff A. Berger, Penelope L. King, Ralf Gellert, Be...
In Gale crater on Mars, the rover Curiosity has discovered evidence of fluid mobilization of the redox‐sensitive element manganese. We presen...
Elemental Composition and Chemical Evolution of Geologic Materials in Gale Crater, Mars: APXS Results From Bradbury Landing to the Vera Rubin Ridge
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
23 december 2020
Jeff A. Berger, Ralf Gellert, Nicholas Boyd, Penel...
The Alpha Particle X‐ray Spectrometer (APXS) on the rover Curiosity has analyzed the composition of geologic materials along a >20‐k...
Microstructural Controls on Mineral Carbonation Reactions
REACTIVE TRANSPORT IN REAL ROCKS: FROM THE PORE TO THE FIELD SCALE I
hydrology | 10 december 2020
Anna L. Herring, Penelope L. King, Mohammad Saadat...
Mineral carbonation (a.k.a. “carbon mineralization”) describes a suite of chemical and geochemical reactions wherein various metal substrates (typical...
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Magmatic and impact-induced gas-solid reactions controlled the early evolution of the martian surface and atmosphere
VOLATILE ELEMENTS IN MAGMATIC AND PLANETARY PROCESSES: BUDGETS, FLUXES, AND BEHAVIOR II POSTERS
volcanology, geochemistry and petrology | 13 december 2019
Penelope L. King, Richard W. Henley, Hanna Nekvasi...
There are many outstanding questions about the evolution of the surface and atmosphere of Mars. How and why did Marss surface and atmosphere lose most...
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Implications of Reactions Between SO2 and Basaltic Glasses for the Mineralogy of Planetary Crusts
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
17 october 2019
Christian Renggli, Andrew B. Palm, Penelope L. Kin...
Basalts are ubiquitous in volcanic systems on several planetary bodies, including the Earth, Mars, Venus, and Jupiter's moon Io, and are commonly a...
The Methane Diurnal Variation and Microseepage Flux at Gale Crater, Mars as Constrained by the ExoMars Trace Gas Orbiter and Curiosity Observations
GEOPHYSICAL RESEARCH LETTERS
26 august 2019
John E. Moores, Penelope L. King, Christina Smith,...
The upper bound of 50 parts per trillion by volume for Mars methane above 5 km established by the ExoMars Trace Gas Orbiter, substantially lower th...
Vapor-Deposited Minerals Contributed to the Martian Surface During Magmatic Degassing
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
25 june 2019
Hanna Nekvasil, Nicholas DiFrancesco, A D. Rogers,...
Martian magmas were likely enriched in S and Cl with respect to H2O. Exsolution of a vapor phase from these magmas and ascent of the gas bubbles th...