 | | Book | | 523.5'1'0981 ISBN 0-8263-0543-1 2. Meteorites—Brazil. II. Title. 80-5333 © 1980 by the University of...composition of stone meteorites. How to recognize a meteorite. Brazilian stone meteorites. 7.1. ACHONDRITES...achondrite. Angra dos Reis . 7.1.2. Augite-olivine achondrite . Governador Valadares. 7.1.3. Monomict pigeonite-plagioclase...Uberaba. 7.2.2. L-group chondrites . Mafra. Minas Gerais. Parana i ba. Patrimonio. Putinga. Rio Negro...chondrite . Parambu. Acknowledgments . References.^.. Meteorite index. Page 1 3 11 29 35 45 47 48 48 48 61 61 |  | | Journal (article/letter/editorial) | | de/chemer INVITED REVIEW The nakhlite meteorites: Augite-rich igneous rocks from Mars Allan H. Treiman Lunar...2005 Abstract The seven nakhlite meteorites are augite-rich igneous rocks that formed in flows or shallow...subhedral crystals of augite and olivine (to 1 cm long) in fine-grained mesostases. The augite crystals have homogeneous...olivines are the most ferroan. The olivine and augite crystals contain multiphase inclusions representing...representing trapped magma. Among the olivine and augite crystals is mesostasis, composed principally of plagioclase |  | McCubbin, Francis M., Elardo, Stephen M., Shearer, Charles K., Smirnov, Alexander, Hauri, Erik H., Draper, David S. (2013) A petrogenetic model for the comagmatic origin of chassignites and nakhlites: Inferences from chlorine-rich minerals, petrology, and geochemistry. Meteoritics & Planetary Science, 48 (5) 819-853 doi:10.1111/maps.12095 | Journal (article/letter/editorial) | | gain insight into the petrogenesis of these two meteorite classes. There are a striking number of geochemical...cumulate horizon that was sampled by the Chassigny meteorite. This model is supported by the textural and chemical...originally led to their classification as distinct meteorite subgroups (McSween and Treiman 1998). The two...phases, whereas the nakhlite clan (Nakhla, Governador Valadares, Lafayette, Miller Range [MIL] 03346 and...SNC (shergottite-nakhlite-chassignite) Martian meteorite clan, to which the petrologically distinct Allan |  | | Journal (article/letter/editorial) | | “depleted” in nature. Olivine data show that meteorite Y 980459 is a primitive melt from the martian...paper are to (1) introduce the different martian meteorite groups and several specific meteorites that are...continent since 1977 as a result of organized meteorite recovery expeditions; 8 by the US, 6 by the Japanese...analyses. HighCa pyroxenes are those with >30% Wo (augite) and lowCa pyroxenes (orthopyroxene plus pigeonite)...crystallized around 1300 Ma ago; and the oldest martian meteorite, ALH 84001 (Orthopyroxenite), Silicate mineralogy |
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