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Browsing Dept. of Mineral Sciences Staff Publications by Author "Farrand, W. H."

Browsing Dept. of Mineral Sciences Staff Publications by Author "Farrand, W. H."

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  • Hydrothermal origin of halogens at Home Plate, Gusev Crater 
    Schmidt, M. E.; Ruff, S. W.; McCoy, Timothy J.; Farrand, W. H.; Johnson, J. R.; Gellert, R.; Ming, D. W.; Morris, R. V.; Cabrol, Nathalie A.; Lewis, K. W.; Schroeder, C. (2008)
    In the Inner Basin of the Columbia Hills, Gusev Crater is Home Plate, an 80 m platform of layered clastic rocks of the Barnhill class with microscopic and macroscopic textures, including a bomb sag, suggestive of a ...
  • Meteorites on Mars observed with the Mars Exploration Rovers 
    Schroeder, C.; Rodionov, D. S.; McCoy, Timothy J.; Jolliff, B. L.; Gellert, R.; Nittler, L. R.; Farrand, W. H.; Johnson, J. R.; Ruff, S. W.; Ashley, J. W.; Mittlefehldt, D. W.; Herkenhoff, Kenneth E.; Fleischer, I.; Haldemann, A. F. C.; Klingelhöfer, Göstar; Ming, D. W.; Morris, R. V.; de Souza, P. A.; Squyres, Steven W.; Weitz, Catherine M.; Yen, A. S.; Zipfel, J.; Economou, T. (2008)
    Reduced weathering rates due to the lack of liquid water and significantly greater typical surface ages should result in a higher density of meteorites on the surface of Mars compared to Earth. Several meteorites were ...
  • Spectral, mineralogical, and geochemical variations across Home Plate, Gusev Crater, Mars indicate high and low temperature alteration 
    Schmidt, M. E.; Farrand, W. H.; Johnson, J. R.; Schröder, C.; Hurowitz, J. A.; McCoy, Timothy J.; Ruff, S. W.; Arvidson, Raymond E.; Des Marais, D. J.; Lewis, K. W.; Ming, D. W.; Squyres, Steven W.; de, Souza,Jr (2009)
    Over the last ~ 3 years in Gusev Crater, Mars, the Spirit rover observed coherent variations in color, mineralogy, and geochemistry across Home Plate, an ~ 80 m-diameter outcrop of basaltic tephra. Observations of Home ...

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