Mathematics – Logic
Scientific paper
Mar 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986metic..21...33s&link_type=abstract
Meteoritics (ISSN 0026-1114), vol. 21, March 31, 1986, p. 33-45.
Mathematics
Logic
2
Chondrites, Meteoritic Composition, Metamorphism (Geology), Microstructure, Mineralogy, Olivine, Petrology, Pyroxenes, Meteorites, Maryville, L6 Chondrites, Stony Meteorites, Composition, Description, Mineralogy, Siderophiles, Classification, Equilibration, Crystallization, Matrix, Plagioclase, Grains, Petrology, Metamorphism, Pressure, Feldspar, Glasses, Deformation, Silicates, Melting, Data, Shock Effects, Photographs, Chondrules, Photomicrographs, Chemistry, Microprobe Methods, Major Elements, Trace Elem
Scientific paper
The Maryville chondrite fell on January 28, 1983 in eastern Tennessee. Compositions of olivine (Fa 24.5), orthopyroxene (Fs 20.8), plagioclase (An 10.6), along with the bulk composition and siderophile concentrations, indicate L-group classification. The presence of highly equilibrated minerals, strongly recrystallized matrix, and the development of large, clear plagioclase grains suggest petrologic type 6 classification. Subsequent to metamorphism the meteorite was subjected to high transient pressures that converted some feldspar to glass, deformed the silicates, and caused small amounts of melting to occur. The effects of this shock event correspond to shock facies 'd' or 'e'.
Cirlin E. H.
Jarosewich Eugene
Laul J. C.
Shervais John W.
Taylor Lawrence A.
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