Implications of poikilitic textures in LL-group chondrites

Details Implications of poikilitic textures in LL-group chondrites Implications of poikilitic textures in LL-group chondrites

Dec 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975metic..10..325f&link_type=abstract

Meteoritics, vol. 10, Dec. 31, 1975, p. 325-339.

Computer Science

9

Chondrites, Lithology, Meteoritic Composition, Meteoritic Microstructures, Metamorphism (Geology), Petrography, Recrystallization

Scientific paper

Five lithic fragments with poikilitic textures in five LL-group chondrites are examined by microscope and electron microprobe to determine whether the textures have resulted from processes related to impact events, such as thermal metamorphism or partial melting. The bulk and pyroxene compositions of the fragments are determined. The compositional characteristics of minerals in certain fragments are found to indicate an apparent melt origin. It is concluded that impact processes produced the poikilitic textures and that complete melting, partial melting, and solid-state recrystallization all have had some part in producing the textures.

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