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Member Since 2022
Nicholas Castle
Associate Research Scientist, Planetary Science Institute
AGU Research
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Sulfate Mineral Suites at Gale Crater, Mars, by X-ray Diffraction
MARTIAN SULFATES STUDIED USING ORBITAL, GROUND, LABORATORY, AND EARTH DATA I ORAL
planetary sciences | 15 december 2023
David T. Vaniman, Steve Chipera, Elizabeth B. Ramp...
A prime reason for sending Mars Science Laboratory (MSL) to Gale crater was orbital evidence of a transition from sulfate-poor sediments of a wet envi...
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Predicting Multi-component Mineral Compositions from Crystallographic Parameters Using Machine Learning for Spacecraft X-ray Diffraction Instruments
CONCEPTS FOR FUTURE PLANETARY SCIENCE MISSIONS AND INSTRUMENTS II POSTER
planetary sciences | 12 december 2023
Ahmed M Eleish, Shaunna M. Morrison, Feifei Pan, A...
A major challenge to applying predictive machine learning models to geophysical data is the need to identify multiple labels per observation and the d...
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Mineralogical Investigation of Mg‐Sulfate at the Canaima Drill Site, Gale Crater, Mars
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
30 october 2023
Steve Chipera, David T. Vaniman, Elizabeth B. Ramp...

For the first time on Mars, the crystalline magnesium‐sulfate mineral starkeyite (MgSO4‧4H2O) was definitively identified using the Che...

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A Decade of Mineralogical Discoveries in Gale Crater, Mars from the CheMin XRD Instrument.
EARTH AND PLANETARY SURFACE PROCESSES GENERAL CONTRIBUTIONS II ONLINE POSTER DISCUSSION
earth and planetary surface processes | 15 december 2022
Valerie Tu, Elizabeth B. Rampe, Thomas Bristow, Mi...
Curiosity landed in Gale crater in August 2012 and has traversed ~28 km through sedimentary rocks that comprise the lower slopes of a ~5 km-high mound...
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Mars Science Laboratory CheMin Data From the Glen Torridon Region and the Significance of Lake‐Groundwater Interactions in Interpreting Mineralogy and Sedimentary History
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
03 november 2022
Michael Thorpe, Thomas Bristow, Elizabeth B. Rampe...

The Glen Torridon (GT) region in Gale crater, Mars is a region with strong clay mineral signatures inferred from orbital spectroscopy. The CheMin X...

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In Situ Mineralogy of a Clay-Sulfate Transition in Gale Crater.
CLAY-SULFATE TRANSITIONS AS INDICATORS OF CLIMATE CHANGE ACROSS MARS I ORAL
planetary sciences | 14 december 2021
Thomas Bristow, Elizabeth B. Rampe, Rachel Sheppar...
Orbital studies of a clay-sulfate transition in Gale crater, exposed on the flanks of Mt Sharp, indicate a gradational change in hydrous mineralogy oc...
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Evidence for Buried Stratiform Volatiles and Their Impact Mobilization in Mercury’s Caloris Basin
MERCURY AT THE DAWN OF THE BEPICOLOMBO ERA: INTERDISCIPLINARY EXPLORATION INSIDE AND OUT II POSTER
planetary sciences | 14 december 2021
Jeffrey Kargel, Alexis Palmero Rodriguez, Gregory ...
MESSENGER revealed that the Caloris impact basin has a pronounced color anomaly (bright reddish, USGS Mercury MESSENGER Enhanced Color Global Mosaic) ...
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Climate Driven Diagenetic Processes in Gale Crater, Mars.
AQUAPLANETOLOGY: AQUEOUS ENVIRONMENTS AND HABITABILITY IN THE SOLAR SYSTEM I ORAL
planetary sciences | 14 december 2021
Thomas Bristow, John P. Grotzinger, Elizabeth B. R...
Ground-based investigations of the clay-bearing unit (CBU) exposed at the base of Mt. Sharp have been highly anticipated since Gale crater was selecte...
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