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Pyroclastic Activity at Home Plate in Gusev Crater, Mars.

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Title: Pyroclastic Activity at Home Plate in Gusev Crater, Mars.
Authors: 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., Klingethöfer, G., Lewis, K. W., Li, R., McCoy, T., McEwen, A. S., McSween, H. V., Ming, D. W., Moore, J. M.
Source: Science (pre-March 2025). 5/4/2007, Vol. 316 Issue 5825, p738-742. 5p. 2 Color Photographs, 2 Black and White Photographs, 1 Chart.
Subjects: Plateaus, Mars (Planet), Inner planets, Volcanic ash, tuff, etc., Igneous rocks, Volcanic eruptions, Natural disasters, Surface chemistry, Geochemistry
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. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Pyroclastic Activity at Home Plate in Gusev Crater, Mars.
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  Data: <searchLink fieldCode="AR" term="%22Squyres%2C+S%2E+W%2E%22">Squyres, S. W.</searchLink><br /><searchLink fieldCode="AR" term="%22Aharonson%2C+O%2E%22">Aharonson, O.</searchLink><br /><searchLink fieldCode="AR" term="%22Clark%2C+B%2EC%2E%22">Clark, B.C.</searchLink><br /><searchLink fieldCode="AR" term="%22Cohen%2C+B%2E+A%2E%22">Cohen, B. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Crumpler%2C+L%2E%22">Crumpler, L.</searchLink><br /><searchLink fieldCode="AR" term="%22De+Souza%2C+P%2E+A%2E%22">De Souza, P. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Farrand%2C+W%2E+H%2E%22">Farrand, W. H.</searchLink><br /><searchLink fieldCode="AR" term="%22Gellert%2C+R%2E%22">Gellert, R.</searchLink><br /><searchLink fieldCode="AR" term="%22Grant%2C+J%2E%22">Grant, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Grotzinger%2C+J%2E+P%2E%22">Grotzinger, J. P.</searchLink><br /><searchLink fieldCode="AR" term="%22Haldemann%2C+A%2E+F%2E+C%2E%22">Haldemann, A. F. C.</searchLink><br /><searchLink fieldCode="AR" term="%22Johnson%2C+J%2E+R%2E%22">Johnson, J. R.</searchLink><br /><searchLink fieldCode="AR" term="%22Klingethöfer%2C+G%2E%22">Klingethöfer, G.</searchLink><br /><searchLink fieldCode="AR" term="%22Lewis%2C+K%2E+W%2E%22">Lewis, K. W.</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+R%2E%22">Li, R.</searchLink><br /><searchLink fieldCode="AR" term="%22McCoy%2C+T%2E%22">McCoy, T.</searchLink><br /><searchLink fieldCode="AR" term="%22McEwen%2C+A%2E+S%2E%22">McEwen, A. S.</searchLink><br /><searchLink fieldCode="AR" term="%22McSween%2C+H%2E+V%2E%22">McSween, H. V.</searchLink><br /><searchLink fieldCode="AR" term="%22Ming%2C+D%2E+W%2E%22">Ming, D. W.</searchLink><br /><searchLink fieldCode="AR" term="%22Moore%2C+J%2E+M%2E%22">Moore, J. M.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 5/4/2007, Vol. 316 Issue 5825, p738-742. 5p. 2 Color Photographs, 2 Black and White Photographs, 1 Chart.
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  Data: <searchLink fieldCode="DE" term="%22Plateaus%22">Plateaus</searchLink><br /><searchLink fieldCode="DE" term="%22Mars+%28Planet%29%22">Mars (Planet)</searchLink><br /><searchLink fieldCode="DE" term="%22Inner+planets%22">Inner planets</searchLink><br /><searchLink fieldCode="DE" term="%22Volcanic+ash%2C+tuff%2C+etc%2E%22">Volcanic ash, tuff, etc.</searchLink><br /><searchLink fieldCode="DE" term="%22Igneous+rocks%22">Igneous rocks</searchLink><br /><searchLink fieldCode="DE" term="%22Volcanic+eruptions%22">Volcanic eruptions</searchLink><br /><searchLink fieldCode="DE" term="%22Natural+disasters%22">Natural disasters</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+chemistry%22">Surface chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Geochemistry%22">Geochemistry</searchLink>
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  Label: Abstract
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  Data: 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=25111671
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        Type: general
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