A preliminary study on mineralogical and chemical compositions of some chondrites falling in China

Details A preliminary study on mineralogical and chemical compositions of some chondrites falling in China A preliminary study on mineralogical and chemical compositions of some chondrites falling in China

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982geoch...1..186w&link_type=abstract

Geochemistry (ISSN 0253-486X), vol. 1, Apr.-June 1982, p. 186-199.

Mathematics

Logic

2

Chondrites, Meteoritic Composition, Chemical Composition, Mineralogy, Neutron Activation Analysis, Olivine, Petrology, Pyroxenes, Tables (Data)

Scientific paper

Twenty-two chondrites have been examined to determine their chemical and mineral compositions, cosmogenic nuclides, formation and exposure ages, impact effects, and textures. On the basis of chemical and petrologic features, four distinct groups of chondrites have been identified. Each of these groups has its own evolutionary history, and chondrites of different chemical groups may have originated from parent bodies of different compositions or derived from a common parent body through the differentiation caused by thermal metamorphism. Five stages of the formation of chondrites are postulated.

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