Browsing Department of Mineral Sciences by Author "Arvidson, Raymond E."

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Detection of Silica-Rich Deposits on Mars

Squyres, Steven W.; Arvidson, Raymond E.; Ruff, S.; Gellert, R.; Morris, R. V.; Ming, D. W.; Crumpler, Larry S.; Farmer, J. D.; Marais, D. J. Des; Yen, A.; McLennan, S. M.; Calvin, W. M.; Bell, James F., III; Clark, Benton C.; Wang, A.; McCoy, Timothy J.; Schmidt, M. E.; de Souza, P. A., Jr. (2008)

Mineral deposits on the martian surface can elucidate ancient environmental conditions on the planet. Opaline silica deposits (as much as 91 weight percent SiO2) have been found in association with volcanic materials by ...
Geochemical properties of rocks and soils in Gusev Crater, Mars: Results of the Alpha Particle X-Ray Spectrometer from Cumberland Ridge to Home Plate

Ming, D. W.; Gellert, R.; Morris, R. V.; Arvidson, Raymond E.; Bruekner, J.; Clark, Benton C.; Cohen, B. A.; d'Uston, C.; Economou, T.; Fleischer, I.; Klingelhöfer, Göstar; McCoy, Timothy J.; Mittlefehldt, D. W.; Schmidt, M. E.; Schroeder, C.; Squyres, Steven W.; Treguier, E.; Yen, A. S.; Zipfel, J. (2008)

Geochemical diversity of rocks and soils has been discovered by the Alpha Particle X-Ray Spectrometer ( APXS) during Spirit's journey over Husband Hill and down into the Inner Basin from sol 470 to 1368. The APXS ...
Hydrothermal processes at Gusev Crater: An evaluation of Paso Robles class soils

Yen, A. S.; Morris, R. V.; Clark, Benton C.; Gellert, R.; Knudson, A. T.; Squyres, Steven W.; Mittlefehldt, D. W.; Ming, D. W.; Arvidson, Raymond E.; McCoy, Timothy J.; Schmidt, M.; Hurowitz, J.; Johnson, J. (2008)
Iron mineralogy and aqueous alteration from Husband Hill through Home Plate at Gusev Crater, Mars: Results from the Mossbauer instrument on the Spirit Mars Exploration Rover

Morris, R. V.; Klingelhöfer, Göstar; Schroeder, C.; Fleischer, I.; Ming, D. W.; Yen, A. S.; Gellert, R.; Arvidson, Raymond E.; Rodionov, D. S.; Crumpler, Larry S.; Clark, Benton C.; Cohen, B. A.; McCoy, Timothy J.; Mittlefehldt, D. W.; Schmidt, M. E.; de Souza, P. A., Jr.; Squyres, Steven W. (2008)

Spirit's Mossbauer (MB) instrument determined the Fe mineralogy and oxidation state of 71 rocks and 43 soils during its exploration of the Gusev plains and the Columbia Hills (West Spur, Husband Hill, Haskin Ridge, ...
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 ...

Browsing Department of Mineral Sciences by Author "Arvidson, Raymond E."

Browsing Department of Mineral Sciences by Author "Arvidson, Raymond E."

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