Silica minerals in the Gibeon IVA iron meteorite

Details Silica minerals in the Gibeon IVA iron meteorite Silica minerals in the Gibeon IVA iron meteorite

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..879m&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 879.

Computer Science

Silicon Dioxide, Iron Meteorites, Crystal Growth, Quartz

Scientific paper

A study of two slices of the Gibeon IVA iron containing silica minerals has led to the discovery of tridymite in three different types of occurrences; in one of these, tridymite is intergrown with quartz, implying a complex inversion history. It is speculated that as the meteorite cooled through the 550-450 C range, tridymite persisted as the dominant metastable polymorph of silica until quartz began to form, and the system was quenched before the inversion could go further.

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