Terrestrial alteration mineral assemblages in the NWA 10416 olivine phyric shergottite
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چکیده
منابع مشابه
Experimental Petrology of Olivine-phyric Shergottite Nwa 1068: Toward
Introduction: The olivine-phyric basaltic shergottites (OPSs) have recently been recognized as a significant sub-group of the Martian meteorites. These rocks have many characteristics suggestive of a primitive nature such as high bulk and olivine-core Mg#s [1]. [2,3] conducted crystallization experiments using the composition of Yamato 980459 (Y98), an OPS. Results of these experiments show tha...
متن کاملPrimitive Olivine-phyric Shergottite Nwa 5789: Petrography, Mineral Chemistry and Cooling History Imply a Magma Similar To
Introduction: Knowledge of martian igneous and mantle composition is crucial for understanding mantle evolution including early differentiation, mantle convection and the chemical alteration of the surface. Primitive magmas provide critical information on their mantle source regions but most Martian meteorites crystallized from fractionated melts [1]. The new martian meteorite NWA 5789, discove...
متن کاملOlivine-Phyric Shergottite LAR 06319: Its relation to the enriched components in Martian basalts
plagioclase and spinels in LAR 06319. Fig. 1: Thin-section photomicrograph of LAR 06319, 37, in transmitted light. Olivine-Phyric Shergottite LAR 06319: Its relation to the enriched components in Martian basalts. A. Basu Sarbadhikari 1,2 , J.M.D. Day 3 , Y. Liu 1 , and L.A. Taylor 1 ; 1 Planetary Geosciences Institute, Dept. of Earth & Planetary Sciences, Univ. of Tennessee, Knoxville, TN 37996...
متن کاملMagnetism of Shergottites
Introduction: New discoveries in cold (Antarctica) and hot desert areas have significantly increased the number of Martian meteorites (SNC) to more than 50 (unpaired) [1,2]. Martian meteorites are classified in four main groups in terms of their pe-trology and mineralogy, namely Orthopyroxenite (1 published member), Chassignites (dunite, 2), Nakhlites (clinopyroxenite, 7) and Shergottites (42) ...
متن کاملRb-Sr AND Sm-Nd STUDIES OF OLIVINE-PHYRIC SHERGOTTITES RBT 04262 AND LAR 06319: ISOTOPIC EVIDENCE FOR RELATIONSHIP TO ENRICHED BASALTIC SHERGOTTITES
Introduction: RBT 04262 and LAR 06319 are two Martian meteorites recently discovered in Antarctica. Both contain abundant olivines, and were classified as olivinephyric shergottites [1]. A detailed petrographic study of RBT 04262 by [2] suggested it should be reclassified as a lherzolitic shergottite. However, the moderately LREE-depleted REE distribution pattern [3] indicated that it is closel...
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ژورنال
عنوان ژورنال: Geochimica et Cosmochimica Acta
سال: 2020
ISSN: 0016-7037
DOI: 10.1016/j.gca.2020.03.026