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Pyroclastic activity at home plate in Gusev crater, Mars

Science

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DOI: 10.1126/science.1139045

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Abstract

Home Plate is a layered plateau in Gusev crater on Mars. It is composed of clastic rocks of moderately altered alkali basalt composition, enriched in some highly volatile elements. A coarse-grained lower unit lies under a finer-grained upper unit. Textural observations indicate that the lower strata were emplaced in an explosive event, and geochemical considerations favor an explosive volcanic origin over an impact origin. The lower unit likely represents accumulation of pyroclastic materials, whereas the upper unit may represent eolian reworking of the same pyroclastic materials.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Pyroclastic activity at home plate in Gusev crater, Mars
Series title:
Science
DOI:
10.1126/science.1139045
Volume
316
Issue:
5825
Year Published:
2007
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
738
Last page:
742
Number of Pages:
5