Production of ferroan andesites by the experimental partial melting of an LL chondrite

Details Production of ferroan andesites by the experimental partial melting of an LL chondrite Production of ferroan andesites by the experimental partial melting of an LL chondrite

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994lpi....25..879m&link_type=abstract

In Lunar and Planetary Inst., The Twenty-Fifth Lunar and Planetary Science Conference. Part 2: H-O p 879-880 (SEE N94-36136 11-9

Computer Science

Andesite, Chemical Reactions, Chondrites, Melting, Meteoritic Composition, Oxygen, Silicon Dioxide

Scientific paper

A partial melting experiment on the St. Severin (LL) chondrite produced a melt that was andesitic, having 54-60 wt% silica, at 1200 C and an oxygen fugacity of IW+2, two log units above the iron-wustite (IW) buffer. Under these same conditions, CV, CM, and L chondrites produced low-silica melts resembling angrites. This experimental study attempts to reproduce and explain this unusual result.

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