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Martian Surface Paleotemperatures from Thermochronology of Meteorites

Shuster, David L. and Weiss, Benjamin P. (2005) Martian Surface Paleotemperatures from Thermochronology of Meteorites. Science, 309 (5734). pp. 594-600. ISSN 0036-8075. doi:10.1126/science.1113077. https://resolver.caltech.edu/CaltechAUTHORS:20141119-101159092

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Abstract

The temporal evolution of past martian surface temperatures is poorly known. We used thermochronology and published noble gas and petrographic data to constrain the temperature histories of the nakhlites and martian meteorite ALH84001. We found that the nakhlites have not been heated to more than 350°C since they formed. Our calculations also suggest that for most of the past 4 billion years, ambient near-surface temperatures on Mars are unlikely to have been much higher than the present cold (<0°C) state.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.1113077DOIArticle
http://www.sciencemag.org/content/309/5734/594PublisherArticle
http://www.sciencemag.org/content/309/5734/594/suppl/DC1PublisherSupporting Online Material
Additional Information:© 2005 American Association for the Advancement of Science. Received 4 April 2005; accepted 7 June 2005. We thank T. Swindle and D. Bogard for generously sharing their Ar data with us and for helpful discussions, along with T. Grove, A. Maloof, and J. Eiler. B.P.W. is supported by the NASA Mars Fundamental Research and NSF Geophysics programs.
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Funding AgencyGrant Number
NASAUNSPECIFIED
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Issue or Number:5734
DOI:10.1126/science.1113077
Record Number:CaltechAUTHORS:20141119-101159092
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20141119-101159092
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51952
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:19 Nov 2014 23:23
Last Modified:10 Nov 2021 19:18

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