Denman 002: A new CV3 chondrite from South Australia

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Carbonaceous Chondrites, Chemical Analysis, Chemical Composition, Magnetite, Meteoritic Composition, Mineralogy, Olivine, Weathering, Australia, Calcium Carbonates, Classifications, Deformation, Grain Size, Microscopy, Oxidation

Scientific paper

Denman 002 is a new Australian carbonaceous chondrite. A single stone of 30 g was recovered in 1991 May near Fisher Station on the Trans Australian Railway, Nullarbor Plain, South Australia (30 deg 36 min S, 130 deg 04 min E). Texture, mineral and chemical composition indicate that it is a CV3 chondrite of oxidised subgroup with several similarities to Allende. It is composed of sharply defined chondrules, Ca-Al rich inclusions up to 3.5 mm across, olivine aggregates and fine-grained, nearly opaque matrix (40 vol%). Silicates are compositionally highly heterogeneous (olivine Fa: 0.2-45.6 mol%, PMD: 109.7). Denman 002 shows shock effects of stage S1 and weathering of category A.

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