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Member Since 1987
Jim F. Bell III
Professor, Arizona State University
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Mapping and Characterizing the Northern Fan Deposits in Jezero Crater, Mars
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
13 september 2024
Mohini Jodhpurkar, James F. Bell, Gwénaël CARAVACA...

The northern inlet channel to Jezero crater (Sava Vallis) terminates in a fan‐shaped depositional feature, part of which blends into the sepa...

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Variable Iron Mineralogy and Redox Conditions Recorded in Ancient Rocks Measured by In Situ Visible/Near‐Infrared Spectroscopy at Jezero Crater, Mars
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
20 july 2024
Lucia Mandon, Bethany L. Ehlmann, Roger C. Wiens, ...

Using relative reflectance measurements from the Mastcam‐Z and SuperCam instruments on the Mars 2020 Perseverance rover, we assess the variab...

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Depositional Facies and Sequence Stratigraphy of Kodiak Butte, Western Delta of Jezero Crater, Mars
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
10 april 2024
Gwénaël CARAVACA, Gilles Dromart, Nicolas Mangold,...

High‐resolution 2D and 3D data remotely acquired by SuperCam's Remote Micro‐Imager and Mastcam‐Z aboard the Perseverance rover en...

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Architecture of Fluvial and Deltaic Deposits Exposed Along the Eastern Edge of the Western Fan of Jezero Crater, Mars
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
13 march 2024
Nicolas Mangold, Gwénaël CARAVACA, Sanjeev Gupta, ...

Early observations from the Perseverance rover suggested a deltaic origin for the western fan of Jezero crater only from images of the Kodiak butte...

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A Post‐Launch Summary of the Science of NASA's Psyche Mission
AGU ADVANCES
27 february 2024
Steven D. Dibb, Erik I. Asphaug, James F. Bell, Ri...

Astronomical observations indicate that asteroid (16) Psyche is a large, high‐density (likely >3,400 kg·m−3), metal‐...

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Sedimentology and Stratigraphy of the Shenandoah Formation, Western Fan, Jezero Crater, Mars
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
15 february 2024
Kathryn Stack, Libby Ives, Sanjeev Gupta, Michael ...

Sedimentary fans are key targets of exploration on Mars because they record the history of surface aqueous activity and habitability. The sedimenta...

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Mineralogical Investigation of Potentially Erosional Landforms in Southern Chryse Planitia, Mars
MARTIAN AQUEOUS PROCESSES INFERRED FROM OBSERVATIONS, ANALOGUES, AND EXPERIMENTS II POSTER
planetary sciences | 15 december 2023
Allyson Trussell, Jacob Adler, James F. Bell
The southern Chryse Planitia region of Mars contains a diversity of landforms along the transition zone between the southern highlands and the norther...
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Spectral Diversity Along the Stratigraphy of the Western Delta Fan in Jezero Crater, Mars, as Seen with Mastcam-Z on the Mars 2020 Perseverance Rover
A TALE OF TWO ROVERS: EXPLORING THE MARTIAN SEDIMENTARY ROCK RECORD WITH THE CURIOSITY AND PERSEVERANCE ROVERS I POSTER
planetary sciences | 14 december 2023
Jorge I. Núñez, Jeffrey R. Johnson, Briony H. Horg...
NASAs Mars 2020 Perseverance rover arrived at the delta front in April 2022 and investigated the sedimentary deposits of the Shenandoah formation at C...
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