Pyroclastic activity at home plate in Gusev crater, Mars

S. W. Squyres; O. Aharonson; B. C. Clark; B. A. Cohen; L. Crumpler; P. A. De Souza; W. H. Farrand; R. Gellert; J. Grant; J. P. Grotzinger; A. F.C. Haldemann; J. R. Johnson; G. Klingelhöfer; K. W. Lewis; R. Li; T. McCoy; A. S. McEwen; H. Y. McSween; D. W. Ming; J. M. Moore; R. V. Morris; T. J. Parker; J. W. Rice; Steven Ruff; M. Schmidt; C. Schröder; L. A. Soderblom; A. Yen

doi:10.1126/science.1139045

Pyroclastic activity at home plate in Gusev crater, Mars

S. W. Squyres, O. Aharonson, B. C. Clark, B. A. Cohen, L. Crumpler, P. A. De Souza, W. H. Farrand, R. Gellert, J. Grant, J. P. Grotzinger, A. F.C. Haldemann, J. R. Johnson, G. Klingelhöfer, K. W. Lewis, R. Li, T. McCoy, A. S. McEwen, H. Y. McSween, D. W. Ming, J. M. MooreR. V. Morris, T. J. Parker, J. W. Rice, Steven Ruff, M. Schmidt, C. Schröder, L. A. Soderblom, A. Yen

Earth and Space Exploration, School of (SESE)

Research output: Contribution to journal › Article › peer-review

171 Scopus citations

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.

Original language	English (US)
Pages (from-to)	738-742
Number of pages	5
Journal	Science
Volume	316
Issue number	5825
DOIs	https://doi.org/10.1126/science.1139045
State	Published - May 4 2007

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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., Klingelhöfer, G., Lewis, K. W., Li, R., McCoy, T., McEwen, A. S., McSween, H. Y., Ming, D. W., ... Yen, A. (2007). Pyroclastic activity at home plate in Gusev crater, Mars. Science, 316(5825), 738-742. https://doi.org/10.1126/science.1139045

Squyres, SW, Aharonson, O, Clark, BC, Cohen, BA, Crumpler, L, De Souza, PA, Farrand, WH, Gellert, R, Grant, J, Grotzinger, JP, Haldemann, AFC, Johnson, JR, Klingelhöfer, G, Lewis, KW, Li, R, McCoy, T, McEwen, AS, McSween, HY, Ming, DW, Moore, JM, Morris, RV, Parker, TJ, Rice, JW, Ruff, S, Schmidt, M, Schröder, C, Soderblom, LA & Yen, A 2007, 'Pyroclastic activity at home plate in Gusev crater, Mars', Science, vol. 316, no. 5825, pp. 738-742. https://doi.org/10.1126/science.1139045

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title = "Pyroclastic activity at home plate in Gusev crater, Mars",

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.",

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AU - Squyres, S. W.

AU - Aharonson, O.

AU - Clark, B. C.

AU - Cohen, B. A.

AU - Crumpler, L.

AU - De Souza, P. A.

AU - Farrand, W. H.

AU - Gellert, R.

AU - Grant, J.

AU - Grotzinger, J. P.

AU - Haldemann, A. F.C.

AU - Johnson, J. R.

AU - Klingelhöfer, G.

AU - Lewis, K. W.

AU - Li, R.

AU - McCoy, T.

AU - McEwen, A. S.

AU - McSween, H. Y.

AU - Ming, D. W.

AU - Moore, J. M.

AU - Morris, R. V.

AU - Parker, T. J.

AU - Rice, J. W.

AU - Ruff, Steven

AU - Schmidt, M.

AU - Schröder, C.

AU - Soderblom, L. A.

AU - Yen, A.

PY - 2007/5/4

Y1 - 2007/5/4

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AB - 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.

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Pyroclastic activity at home plate in Gusev crater, Mars

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