Solomon, Sean C. and Aharonson, Oded and Aurnou, Jonathan M. and Banerdt, W. Bruce and Carr, Michael H and Dombard, Andrew J. and Frey, Herbert V. and Golombek, Matthew P. and Hauck, Steven A., II and Head, James W., III and Jakosky, Bruce M. and Johnson, Catherine L. and McGovern, Patrick J. and Neumann, Gregory A. and Phillips, Roger J. and Smith, David E. and Zuber, Maria T. (2005) New Perspectives on Ancient Mars. Science, 307 (5713). pp. 1214-1220. ISSN 0036-8075. doi:10.1126/science.1101812. https://resolver.caltech.edu/CaltechAUTHORS:20130129-135949970
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Abstract
Mars was most active during its first billion years. The core, mantle, and crust formed within ∼50 million years of solar system formation. A magnetic dynamo in a convecting fluid core magnetized the crust, and the global field shielded a more massive early atmosphere against solar wind stripping. The Tharsis province became a focus for volcanism, deformation, and outgassing of water and carbon dioxide in quantities possibly sufficient to induce episodes of climate warming. Surficial and near-surface water contributed to regionally extensive erosion, sediment transport, and chemical alteration. Deep hydrothermal circulation accelerated crustal cooling, preserved variations in crustal thickness, and modified patterns of crustal magnetization.
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| Additional Information: | © 2005 American Association for the Advancement of Science. This paper began as a series of scientific discussions held at meetings of the Mars Orbiting Laser Altimeter team on the Mars Global Surveyor mission. We thank J. Dickson, L. Montesi, and J. Roark for assistance with figure preparation. Support for this paper has been provided by NASA, through the Mars Exploration Program, the Planetary Geology and Geophysics Program, and the NASA Astrobiology Institute. | ||||||||||||||||||||||||
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| Issue or Number: | 5713 | ||||||||||||||||||||||||
| DOI: | 10.1126/science.1101812 | ||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20130129-135949970 | ||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130129-135949970 | ||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||
| ID Code: | 36660 | ||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||
| Deposited By: | INVALID USER | ||||||||||||||||||||||||
| Deposited On: | 30 Jan 2013 21:39 | ||||||||||||||||||||||||
| Last Modified: | 07 Mar 2023 23:04 |
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