| | Journal (article/letter/editorial) | ⌬17O among OC (and thus became the most oxidized group and the one with the heaviest O isotopes); H chondrites...lowest abundance, becoming the most reduced OC group with the lightest O isotopes. Chondrule precursors...same group and different petrologic type, there are differences among chondrites of the same group and...important question is whether chondrites of the same group and same petrologic type that have different mean...Fa and kamacite Co contents increase in each OC group from type-3 to type-6. McSween and Labotka (1993) | | | Journal (article/letter/editorial) | The CR (Renazzo-type) carbonaceous chondrite group and its implications MICHAEL K. WEISBERG,’ MARTIN...CR as a carbonaceous chondrite group. Characteristics of the CR group include ( 1) abundant large multilayered...higher volatile content than other members of the group. The conditions that prevailed during aqueous alteration...water to a greater degree than the rest of the meteorite. The overall degree of hydration in CR chondrites...a mixing line distinct from any other chondrite group (CLAYTON and MAYEDA, 1977a,b, 1989). The term CR | | | Journal (article/letter/editorial) | Society, 1997. Printed in USA. Mineralogy of meteorite groups ALANE. RUBIN Institute of Geophysics and...shocked ordinary chondrites. Secondary minerals in meteorite finds that formed during terrestrial weathering...numbers of meteorites (including members of new meteorite groups; Table 1) from hot and cold deserts, the...variations 23 1 A. E. Rubin 232 TABLEI . Meteorite classification. Chondrites Carbonaceous chondrites...plus olivine; corehantle boundary samples Main-group pallasites Eagle-Station-trio pallasites metal plus | | | Journal (article/letter/editorial) | California, Los Angeles, CA 90095-1567, USA c Division of Geological and Planetary Sciences, California...primitive chondrites (e.g., L3.0 NWA 7731; LL3.0 Semarkona) are interpreted to be products of the processes...the IMACNMNC, including 17 from the Allende CV3 meteorite (Ma, 2015a) and high-pressure phases such as bridgmanite...zhanghengite carbides beta-moissanite cliftonite Space Group A.E. Rubin, C. Ma / Chemie der Erde xxx (2017)...Table 1 Minerals in meteorites. Formula Space Group Selected References khamrabaevite zirconium carbide | | | Book | METEORITE MINERALOGY Meteorites are fascinating cosmic visitors. Using accessible language, this book...book documents the history of mineralogy and meteorite research, summarizes the mineralogical characteristics...photographs of meteorite minerals, and with an accompanying online list of meteorite minerals, this book...book provides a useful resource for meteorite researchers, terrestrial mineralogists, cosmochemists,...students in these fields. a l a n e . r u b i n is a meteorite researcher who recently retired from the University |
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