Hydrothermal origin of halogens at Home Plate, Gusev Crater
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چکیده
منابع مشابه
Hydrothermal origin of halogens at Home Plate, Gusev Crater
[1] 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 phreatomagmatic origin. We present data acquired by the Spirit Mars Exploration Rover by Alpha Particle X-Ray Spectrometer (APXS), Mössbauer Spectrometer, Miniature Thermal Emiss...
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Home Plate is a layered plateau in Gusev crater on Mars. It is composed of clastic rocks of moderately altered alkali basalt composition, enriched in some highly volatile elements. A coarsegrained lower unit lies under a finer-grained upper unit. Textural observations indicate that the lower strata were emplaced in an explosive event, and geochemical considerations favor an explosive volcanic o...
متن کاملMars Pyroclastic Activity at Home Plate in Gusev Crater
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COEXISTENCE OF Si-RICH & S-RICH MATERIALS AT GUSEV CRATER, COLUMBIA HILLS. Alian Wang, James F. Bell III, M. Rice, E. A. Cloutis, Department of Earth & Planetary Sciences and the McDonnell Center for the Space Sciences, Washington University, St. Louis, MO, 63130 ([email protected]), Department of Astronomy, Cornell Univ., 402 Space Sciences Bldg., Ithaca, NY 14853, Dept. of Geography, Uni...
متن کاملPrincipal Component Analysis of Geochemical Data at Gusev Crater
Introduction: Since January 2004, the twin rovers Spirit and Opportunity of the Mars Exploration Rover (MER) mission have been able to investigate their respective landing sites thanks to the Athena Science Payload [1]. This scientific payload includes the Alpha Particle X-ray Spectrometer (APXS) instrument [2], whose role is to determine the elemental composition of martian soils and rocks. Du...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research
سال: 2008
ISSN: 0148-0227
DOI: 10.1029/2007je003027