Publication Date:
2007-05-05
Description:
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 coarsegrained 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.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Squyres, S W -- Aharonson, O -- Clark, B C -- Cohen, B A -- Crumpler, L -- de Souza, P A -- Farrand, W H -- Gellert, R -- Grant, J -- Grotzinger, J P -- Haldemann, A F C -- Johnson, J R -- Klingelhofer, G -- Lewis, K W -- Li, R -- McCoy, T -- McEwen, A S -- McSween, H Y -- Ming, D W -- Moore, J M -- Morris, R V -- Parker, T J -- Rice, J W Jr -- Ruff, S -- Schmidt, M -- Schroder, C -- Soderblom, L A -- Yen, A -- New York, N.Y. -- Science. 2007 May 4;316(5825):738-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Astronomy, Space Sciences Building, Cornell University, Ithaca, NY 14853, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17478719" target="_blank"〉PubMed〈/a〉
Print ISSN:
0036-8075
Electronic ISSN:
1095-9203
Topics:
Biology
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Chemistry and Pharmacology
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Computer Science
,
Medicine
,
Natural Sciences in General
,
Physics
