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Communication Dans Un Congrès Année : 2023

SEDIMENTOLOGY AND STRATIGRAPHY OF THE LOWER DELTA SEQUENCE, JEZERO CRATER, MARS

Adrian Brown
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Briony Horgan

Résumé

In April 2022, the Mars 2020 Perseverance rover arrived at the base of the ancient delta in Jezero crater after completing the first year of its mission exploring and sampling aqueously altered igneous rocks of the present-day crater floor [1]. Perseverance then spent ~200 sols exploring the lower ~25 m of rock exposed within the eastern scarp of the Jezero delta [2], a sedimentary sequence informally named the ‘Shenandoah’ formation. This study describes the sedimentology and stratigraphy of the Shenandoah formation explored by Perseverance at two sections—'Cape Nukshak’ and ‘Hawksbill Gap’— including a description, interpretation, and depositional framework for the facies that comprise it.
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Dates et versions

hal-04052338 , version 1 (30-03-2023)

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Katie M. Stack‐Morgan, Sanjeev Gupta, Michelle Tebolt, Gwénaël Caravaca, Libby R.W. Ives, et al.. SEDIMENTOLOGY AND STRATIGRAPHY OF THE LOWER DELTA SEQUENCE, JEZERO CRATER, MARS. 54th Lunar and Planetary Science Conference, Lunar and Planetary Institute, Mar 2023, The Woodlands (Texas), United States. pp.1422. ⟨hal-04052338⟩
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