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http://hdl.handle.net/1893/17069| Appears in Collections: | Biological and Environmental Sciences Journal Articles |
| Peer Review Status: | Refereed |
| Title: | Ancient Impact and Aqueous Processes at Endeavour Crater, Mars |
| Author(s): | Squyres, Steven W Arvidson, Raymond E Bell III, James F Calef III, Fred J Cohen, Barbara A Clark, Benton C Crumpler, Larry S Farrand, William H Gellert, Ralf Grant, John A Herkenhoff, Kenneth E Hurowitz, Joel A Johnson, Jeffrey R Schröder, Christian |
| Contact Email: | christian.schroeder@stir.ac.uk |
| Issue Date: | 4-May-2012 |
| Date Deposited: | 23-Oct-2013 |
| Citation: | Squyres SW, Arvidson RE, Bell III JF, Calef III FJ, Cohen BA, Clark BC, Crumpler LS, Farrand WH, Gellert R, Grant JA, Herkenhoff KE, Hurowitz JA, Johnson JR & Schröder C (2012) Ancient Impact and Aqueous Processes at Endeavour Crater, Mars. Science, 336 (6081), pp. 570-576. https://doi.org/10.1126/science.1220476 |
| Abstract: | The rover Opportunity has investigated the rim of Endeavour Crater, a large ancient impact crater on Mars. Basaltic breccias produced by the impact form the rim deposits, with stratigraphy similar to that observed at similar-sized craters on Earth. Highly localized zinc enrichments in some breccia materials suggest hydrothermal alteration of rim deposits. Gypsum-rich veins cut sedimentary rocks adjacent to the crater rim. The gypsum was precipitated from low-temperature aqueous fluids flowing upward from the ancient materials of the rim, leading temporarily to potentially habitable conditions and providing some of the waters involved in formation of the ubiquitous sulfate-rich sandstones of the Meridiani region. |
| DOI Link: | 10.1126/science.1220476 |
| Rights: | The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. |
| Notes: | Additional co-authors: BL Jolliff, AH Knoll, R Li, SM McLennan, DW Ming, DW Mittlefehldt, TJ Parker, G Paulsen, MS Rice, SW Ruff, AS Yen, K Zacny |
| Licence URL(s): | http://www.rioxx.net/licenses/under-embargo-all-rights-reserved |
| File | Description | Size | Format | |
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| Squyres2012_ancient_impact_an_aqueous_processes_at_endeavour_crater-mars.pdf | Fulltext - Published Version | 2.18 MB | Adobe PDF | Under Embargo until 2999-12-05 Request a copy |
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