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http://hdl.handle.net/1893/17129| Appears in Collections: | Biological and Environmental Sciences Journal Articles |
| Peer Review Status: | Refereed |
| Title: | Jarosite and hematite at Meridiani Planum from Opportunity's Mossbauer spectrometer |
| Author(s): | Klingelhoefer, Goestar Morris, Richard Van Bernhardt, Bodo Schröder, Christian Rodionov, Daniel S de Souza Jr, Paulo A Yen, Albert S Gellert, Ralf Evlanov, E N Zubkov, B V Foh, J Bonnes, U Kankeleit, Egbert Gutlich, Philipp Ming, Douglas Wayne |
| Contact Email: | christian.schroeder@stir.ac.uk |
| Issue Date: | 3-Dec-2004 |
| Date Deposited: | 25-Oct-2013 |
| Citation: | Klingelhoefer G, Morris RV, Bernhardt B, Schröder C, Rodionov DS, de Souza Jr PA, Yen AS, Gellert R, Evlanov EN, Zubkov BV, Foh J, Bonnes U, Kankeleit E, Gutlich P & Ming DW (2004) Jarosite and hematite at Meridiani Planum from Opportunity's Mossbauer spectrometer. Science, 306 (5702), pp. 1740-1745. https://doi.org/10.1126/science.1104653 |
| Abstract: | Mössbauer spectra measured by the Opportunity rover revealed four mineralogical components in Meridiani Planum at Eagle crater: jarosite- and hematite-rich outcrop, hematite-rich soil, olivine-bearing basaltic soil, and a pyroxene-bearing basaltic rock (Bounce rock). Spherules, interpreted to be concretions, are hematiterich and dispersed throughout the outcrop. Hematitic soils both within and outside Eagle crater are dominated by spherules and their fragments. Olivine-bearing basaltic soil is present throughout the region. Bounce rock is probably an impact erratic. Because jarosite is a hydroxide sulfate mineral, its presence at Meridiani Planum is mineralogical evidence for aqueous processes on Mars, probably under acid-sulfate conditions. |
| DOI Link: | 10.1126/science.1104653 |
| 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: F Renz, T Wdowiak, SW Squyres, RE Arvidson |
| Licence URL(s): | http://www.rioxx.net/licenses/under-embargo-all-rights-reserved |
| File | Description | Size | Format | |
|---|---|---|---|---|
| 1740.pdf | Fulltext - Published Version | 265.79 kB | Adobe PDF | Under Embargo until 2999-12-04 Request a copy |
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