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APXS of First Rocks Encountered by Curiosity in Gale Crater: Geochemical Diversity and Volatile Element (K and ZN) Enrichment
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Author and Affiliation:
Schmidt, M. E.(Brock Univ., Saint Catherines, Ontario, Canada);
King, P. L.(Australian National Univ., Canberra, Australia);
Gellert, R.(Guelph Univ., Ontario, Canada);
Elliott, B.(New Brunswick Univ., Fredericton, New Brunswick, Canada);
Thompson, L.(New Brunswick Univ., Fredericton, New Brunswick, Canada);
Berger, J.(New Mexico Univ., Albuquerque, NM, United States);
Bridges, J.(Open Univ., Buckinghamshire, United Kingdom);
Campbell, J. L(Guelph Univ., Ontario, Canada);
Grotzinger, J.(California Inst. of Tech., Pasadena, CA, United States);
Hurowitz, J.(California Inst. of Tech., Pasadena, CA, United States);
Leshin, L.(Rensselaer Polytechnic Inst., Troy, NY, United States);
Lewis, K. W.(Princeton Univ., Princeton, NJ, United States);
McLennan, S. M.(State Univ. of New York, Geosciences, Stony Brook, NY, United States);
Ming, D. W.(NASA Johnson Space Center, Houston, TX, United States);
Perrett, G.(Guelph Univ., Ontario, Canada);
Pradler, I.(Guelph Univ., Ontario, Canada);
Stolper, E. M.(California Inst. of Tech., Pasadena, CA, United States);
Squyres, S. W.(Cornell Univ., Ithaca, NY, United States);
Greiman, A. H.(Lunar and Planetary Inst., Houston, TX, United States)
Abstract: The Alpha Particle X-ray spectrometer (APXS) on the Curiosity rover in Gale Crater [1] is the 4th such instrument to have landed on Mars [2]. Along the rover's traverse down-section toward Glenelg (through sol 102), the APXS has examined four rocks and one soil [3]. Gale rocks are geochemically diverse and expand the range of Martian rock compositions to include high volatile and alkali contents (up to 3.0 wt% K2O) with high Fe and Mn (up to 29.2% FeO*).
Publication Date: Jan 01, 2013
Document ID:
20130009734
(Acquired Feb 16, 2013)
Subject Category: LUNAR AND PLANETARY SCIENCE AND EXPLORATION
Report/Patent Number: JSC-CN-27938
Document Type: Conference Paper
Meeting Information: Lunar and Planetary Science Conference; 18-22 Mar. 2013; TheWoodlands, TX; United States
Financial Sponsor: NASA Johnson Space Center; Houston, TX, United States
Organization Source: NASA Johnson Space Center; Houston, TX, United States
Description: 2p; In English; Original contains color illustrations
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Distribution as joint owner in the copyright
NASA Terms: MARS CRATERS; PLANETARY GEOLOGY; GEOCHEMISTRY; VOLATILITY; POTASSIUM; ZINC; CURIOSITY ROVER; IGNEOUS ROCKS; X RAY SPECTROMETERS; ALPHA PARTICLES; BASALT; ANDESITE; SHERGOTTITES
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