The composition and origin of large microporphyritic chondrules in the Manych /L-3/ chondrite

Details The composition and origin of large microporphyritic chondrules in the Manych /L-3/ chondrite The composition and origin of large microporphyritic chondrules in the Manych /L-3/ chondrite

Mar 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978e%26psl..39...52d&link_type=abstract

Earth and Planetary Science Letters, vol. 39, no. 1, Mar. 1978, p. 52-66.

Computer Science

8

Chondrites, Chondrule, Meteoritic Composition, Meteoritic Microstructures, Olivine, Photomicrographs, Porphyra, Pyroxenes, Statistical Analysis

Scientific paper

Modal and phase analyses were used to assay the element composition of microporphyritic chondrules in the Manych chondrite. The data is considered sufficiently accurate for the large and/or fine grained chondrules examined here. Attention is given to modal analysis of olivine content, which was in the 50-80% range. Comparisons of the chondrules with the products of controlled cooling experiments suggests that they are fragments of magmatic rocks which crystallized from masses of liquid at least 10 cm across.

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