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SiO2-rich condrules in ordinary chondrites

Brigham, Cheryl and Murrell, M. T. and Burnett, D. S. (1982) SiO2-rich condrules in ordinary chondrites. Meteoritics, 17 (4). pp. 187-188. ISSN 0026-1114 . http://resolver.caltech.edu/CaltechAUTHORS:20150505-140925448

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Abstract

The solar system abundances of Mg, Fe, and Si dictate that chondritic meteorites are silica-deficient compared to most terrestrial or lunar igneous rocks; thus olivine-orthopyroxene assemblages are commonly observed in ordinary chondrites. However, in the unequilibrated H-chondrites Sharps, Bremervorde, and Dhajala, we have observed chondrules and fragments which contain either tridymite or cristobalite as a major phase.


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Additional Information:© 1982 Meteoritical Society.
Record Number:CaltechAUTHORS:20150505-140925448
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150505-140925448
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ID Code:57242
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:06 May 2015 17:03
Last Modified:06 May 2015 17:03

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