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The origin and implications of clay minerals from Yellowknife Bay, Gale crater, Mars

Bristow, Thomas; Bish, David; Vaniman, David; Morris, Richard; Blake, David; Grotzinger, John; Rampe, Elizabeth; Crisp, Joy; Achilles, Cherie; Ming, Doug; Ehlmann, Bethany; King, Penelope; Bridges, John; Eigenbrode, Jennifer; Sumner, Dawn; Chipera, Steve; Moorokian, John Michael; Treiman, Allan; Morrison, Shaunna; Downs, Robert; Farmer, Jack; Des Marais, D.J.; Sarrazin, Philippe; Floyd, Melissa; Mischna, Michael; McAdam, Amy; Treiman, A H

Description

The Mars Science Laboratory (MSL) rover Curiosity has documented a section of fluvio-lacustrine strata at Yellowknife Bay (YKB), an embayment on the floor of Gale crater, approximately 500 m east of the Bradbury landing site. X-ray diffraction (XRD) data and evolved gas analysis (EGA) data from the CheMin and SAM instruments show that two powdered mudstone samples (named John Klein and Cumberland) drilled from the Sheepbed member of this succession contain up to ~20 wt% clay minerals. A...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/98743
Source: American Mineralogist
DOI: 10.2138/am-2015-5077CCBYNCND

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