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Diagenetic Crystal Clusters and Dendrites, Lower Mount Sharp, Gale CraterSince approximately Sol 753 (to sol 840+) the Mars Science Laboratory Curiosity rover has been investigating the Pahrump locality. Mapping of HiRise images suggests that the Pahrup locality represents the first occurrence of strata associated with basal Mount Sharp. Considerable efforts have been made to document the Pahrump locality in detail, in order to constrain both depositional and diagenetic facies. The Pahrump succession consists of approximately 13 meters of recessive-weathering mudstone interbedded with thin (decimeter-scale) intervals of more erosionally resistant mudstone, and crossbedded sandstone in the upper stratigraphic levels. Mudstone textures vary from massive, to poorly laminated, to well-laminated. Here we investigate the distribution and structure of unusual diagenetic features that occur in the lowermost portion of the Pahrump section. These diagenetic features consist of three dimensional crystal clusters and dendrites that are erosionally resistant with respect to the host rock.
Document ID
20150003048
Document Type
Conference Paper
Authors
Kah, L. C. (Tennessee Univ. Knoxville, TN, United States)
Kronyak, R. (Tennessee Univ. Knoxville, TN, United States)
Van Beek, J. (Malin Space Science Systems San Diego, CA, United States)
Nachon, M. (Centre National de la Recherche Scientifique Nantes, France)
Mangold, N. (Centre National de la Recherche Scientifique Nantes, France)
Thompson, L. (New Brunswick Univ. Fredericton, New Brunswick, Canada)
Wiens, R. (Los Alamos National Lab. Albuquerque, NM, United States)
Grotzinger, J. (California Inst. of Tech. Pasadena, CA, United States)
Farmer, J. (Arizona State Univ. Tempe, AZ, United States)
Minitti, M. (Planetary Science Inst. Tucson, AZ, United States)
Shieber, J. (Indiana Univ. Bloomington, IN, United States)
Oehler, D. (Oak Ridge Associated Universities, Inc. Oak Ridge, TN, United States)
Date Acquired
March 17, 2015
Publication Date
March 16, 2015
Subject Category
Lunar and Planetary Science and Exploration
Report/Patent Number
JSC-CN-32770
Meeting Information
Lunar and Planetary Science Conference(The Woodlands, TX)
Distribution Limits
Public
Copyright
Public Use Permitted.

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