Equatorial Layered Deposits in Arabia Terra, Mars: Stratigraphy and Process Variability

Conference proceedings article

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Publication Details

Author list: Pondrelli M, Rossi AP, Le Deit L, Glamoclija M, Cavalazzi B, Fueten F, van Gasselt S, Hauber E, Franchi F

Place: CHAM

Publication year: 2014

Journal: STRATI 2013 (2197-9545)

Journal acronym: SPR GEOL

Start page: 343

End page: 347

Number of pages: 5

ISBN: 978-3-319-04363-0

eISBN: 978-3-319-04364-7

ISSN: 2197-9545

Languages: English-Great Britain (EN-GB)

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Abstract

The equatorial layered deposits of Arabia Terra are investigated to understand their genesis and the controls on their evolution. We interpret the deposits found within the craters as having been formed by spring deposition based on the large-scale geometry, the presence of morphologies consistent with fluid expulsion, the composition, and the sedimentary structures. Outside of the craters, we found evidence of dune forms and cross-stratification suggestive of aeolian activity, possibly associated with playa deposition. Groundwater fluctuations are suggested as the control on deposition.

Keywords

Aeolian reworking, Arabia Terra, Equatorial layered deposits, Mars, Spring deposits, Sulphates

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