Abstract

The Beenham meteorite contains native copper and ilmenite in addition to the common minerals characteristic of the hypersthene chondrites. The metal contains Neumann lamellae, some greatly deformed, as well as areas of apparent flowage. The troilite is a relatively late phase, having replaced kamacite within plessitic intergrowths. Troilite locally displays twin lamellae. Elsewhere it is in braided veinlets and in globules, both reflecting former melting. These varied textures indicate a complex history encompassing several deformational events, presumably due to parent body impacts and perhaps breakups.

Original languageEnglish (US)
JournalGeochimica et Cosmochimica Acta
Volume31
Issue number10
StatePublished - Oct 1967

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Meteorites
troilite
chondrite
Minerals
Copper
Melting
Textures
Metals
parent body
history
ilmenite
meteorite
melting
texture
copper
metal
mineral

ASJC Scopus subject areas

  • Geochemistry and Petrology

Cite this

The post-formational history of a hypersthene chondrite-Beenham. / Buseck, P R.

In: Geochimica et Cosmochimica Acta, Vol. 31, No. 10, 10.1967.

Research output: Contribution to journalArticle

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