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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.

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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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Burnett, D. S.0000-0001-9521-8675
Additional Information:© 1982 Meteoritical Society.
Issue or Number:4
Record Number:CaltechAUTHORS:20150505-140925448
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57242
Deposited On:06 May 2015 17:03
Last Modified:09 Mar 2020 13:18

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