Computer Science
Scientific paper
May 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979gecoa..43..689n&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 43, May 1979, p. 689-707.
Computer Science
26
Abundance, Breccia, Metal Particles, Meteoritic Composition, Chromium, Nickel, Phosphorus, Shock Heating, Trace Elements, Origin, Breccia, Clast Population, Bencubbin Meteorite, Silicates, Metal, Heating, Shock, Fragments, Evolution, Petrology, Electron Probes, Sulfides, Silicon, Crystallization, Iron, Nickel, Petrography, Microprobe Analysis
Scientific paper
The Bencubbin meteorite is a shock-welded breccia consisting of a diverse collection of metal and silicate clasts. Several types of evidence suggest that the metal clasts in Bencubbin retain chemical abundances that were established during condensation. The Cr, Ni, P and trace element abundances are consistent with condensation calculations and are much closer to the predicted compositions of metal condensates than the CM metal particles. In addition, petrographic and chemical evidence strongly suggest that the breccia components were incorporated as solid clasts within the breccia prior to a shock heating event of very short duration, which did not produce significant metamorphic effects.
Drake Michael J.
Newsom Horton E.
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