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| elsevier.com/locate/gca A hydrated clast in the Mokoia CV3 carbonaceous chondrite: Evidence for intensive...the discovery of a highly hydrated clast in the Mokoia CV3 carbonaceous chondrite that contains eight...alteration of a precursor equivalent to the host Mokoia meteorite, and it can be regarded as the CV2-type lithology...that there was in fact an extremely wet region within the Mokoia parent body and that this clast escaped...them in the host Mokoia chondrite are clasts produced by brecciation within a wet region of the parent body |
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| their rims (referred to as chondrules/rims) in the Mokoia CV3 carbonaceous chondrite using a scanning electron...alteration and metamorphism occurred within the meteorite parent body. In contrast, however, the surrounding...body different from the location where the host meteorite was finally lithified. If it can be assumed that...representative of all chondrules and inclusions in Mokoia, the results and interpretation pose a fundamental...challenge regarding the formation of the whole Mokoia lithology; that is, it cannot be explained by either |
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| uark.edu/meteor .. 1,._. Dark inclusions in the Mokoia CV3 chondrite: Evidence for aqueous alteration...accepted in revised farm 2002 August 27) Abstract-Mokoia is a CV3 chondrite that contains abundant phyllosilicate...study of24 dark inclusions (DIs) that we found in Mokoia. The overall texture and constituent minerals of...resemble those in the host meteorite. Fe-bearing saponite and Na-rich phlogopite, the same phyllosilicates...phyllosilicates as in the host meteorite, occur in the DIs, which strongly suggests that the DIs have a similar alteration |
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| Hydrated chondrules and fine-grained rims in the Mokoia CV3 carbonaceous chondrite Kazushige Tomeoka *...petrographic and electron microscopic study of the Mokoia CV3 carbonaceous chondrite shows that all of the...from a location on the meteorite parent body different from where the Mokoia meteorite was from. The aqueous...matrix grains, and finally lithified to the present meteorite. Therefore, the rims are fragmented remnants of...multi-stage parent-body process modeled for the Mokoia rim formation may be a more plausible explanation |
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| Olivine-rich rims surrounding chondrules in the Mokoia CV3 carbonaceous chondrite: Further evidence for...rims surrounding chondrules and inclusions in the Mokoia CV3 carbonaceous chondrite can be divided into...Their host chondrules contain minor saponite and phlogopite, which resulted from aqueous alteration of anhydrous...relatively dry region in the parent body that was different from the region where Mokoia was finally lithified...the rims were formed by processes within the meteorite parent bodies (e.g., Sears et al., 1993; Tomeoka |
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| MEETING THE METEORITICAL SOCIETY SEPTEMBER 22-25, 1986 NEW YORK, NY 327 HYDROUS PHASES AND HYDROUS ALTERATION...Aylmer and G.F. Herzog, Dept. Chem., Rutgers Univ., New Brunswick, NJ 08903 J. Klein and R. Middleton, Dept...classification. TEMJEDS investigation of the meteorite has established that many of the phyllosilicates...sedimentary dolomites. Y82042 appears to be a unique meteorite in possessing significant amounts of both calcite...sub-rounded aggregates) formed prior to assembly of the meteorite, which is consistent with gentle compaction. The |
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| MÖSSBAUER SPECTROSCOPY OF OLIVINES FROM THE D’ORBIGNY METEORITE Y. A. Abdu1, M. E. Varela2 and F. C. Hawthorne1...structural OH bands are observed in the OH-stretching region (3800-3000 cm)1) for all samples. Mössbauer spectroscopy...(d13C approximately 0 to +5&) lining vugs in the meteorite. There are also differences in magmatic carbon...of the Meteoritical Society: Abstracts 5022 METEORITE IMPACT CRATERS IN SOUTH AMERICA: A BRIEF REVIEW...countries are awaiting for new discoveries. The following possible and confirmed meteorite impact structures have |
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| New Fre: ttiers lsetepic ~esearch: . . ..~ Probes, l .n P11: _,es Smali--Saffiple JVnaiY New Frontiers...details of SHRIMP construction and operation. New Frontiers in Stable Isotopic Research: Laser Probes...Library of Congress Cataloging in Publication Data New frontiers in stable isotopic research : laser probes...a workshop on January 12 and 13, 1988, entitled "New Frontiers in Stable Isotopic Research: Laser Probes...Va. The program (see p. XI) included 16 talks on new methods for performing high-precision stable and |
