Welcome to the new version of CaltechAUTHORS. Login is currently restricted to library staff. If you notice any issues, please email coda@library.caltech.edu
Published July 22, 2005 | Supplemental Material
Journal Article Open

Martian Surface Paleotemperatures from Thermochronology of Meteorites

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.

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.

Attached Files

Supplemental Material - Shuster.SOM.pdf

Files

Shuster.SOM.pdf
Files (536.3 kB)
Name Size Download all
md5:ecac8c0b63ad840e54e15dac91975c3b
536.3 kB Preview Download

Additional details

Created:
August 19, 2023
Modified:
October 18, 2023