Mathematics – Logic
Scientific paper
Feb 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983gecoa..47..169l&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 47, Feb. 1983, p. 169-179.
Mathematics
Logic
7
Breccia, Chondrites, Meteoritic Composition, Regolith, Abundance, Chemical Composition, Mineralogy, Petrology, Trace Elements, Meteorites, Regolith, H Chondrites, Breccias, Chemistry, Trace Elements, Characteristics, Origin, Petrology, Comparisons, Experiments, Data, Mineralogy, Structure, Abundance, C1 Chondrites, Samples, Meteorite, Leighton Meteorite, Pantar Meteorite, Kunashak Meteorite, Compaction, Pervomaisky Meteorite, Matrix, Condensation, Patterns, Siderophiles, Lithophiles, Enrichment, Parent Bodi
Scientific paper
Petrologic data and contents of Ag, Bi, Cd, Co, Cs, Ga, In, Rb, Se, Te, Tl and Zn-trace elements spanning the volatility/mobility range-in light and dark portions of H chondrite regolith breccias and L chondrite fragmental breccias are reported. The chemical/petrologic characteristics of H chondrite regolith breccias differ from those of nonbrecciated chondrites or fragmental breccias. Petrologic characteristics and at least some trace element contents of H chondrite regolith breccias reflect primary processes; contents of the most volatile/mobile elements may reflect either primary or secondary processing, possibly within layered H chondrite parent object(s). Chemical/petrologic differences existed in different regions of the parent(s). Regoligh formation and gardening and meteoroid compaction were not so severe as to alter compositions markedly.
Biswas Santidan
Lipschutz Michael E.
McSween Harry Y.
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