Carbon, oxygen, silicon, sulphur, calcium, and iron determinations in twenty-four dark clasts and one dark inclusion of the Allende meteorite by C-12(d,p)C-13 nuclear reaction and PIXE

Details Carbon, oxygen, silicon, sulphur, calcium, and iron determinations in twenty-four dark clasts and one dark inclusion of the Allende meteorite by C-12(d,p)C-13 nuclear reaction and PIXE Carbon, oxygen, silicon, sulphur, calcium, and iron determinations in twenty-four dark clasts and one dark inclusion of the Allende meteorite by C-12(d,p)C-13 nuclear reaction and PIXE

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988metic..23..131h&link_type=abstract

Meteoritics (ISSN 0026-1114), vol. 23, June 1988, p. 131-137. Research supported by Rice University.

Computer Science

10

Allende Meteorite, Carbon, Meteoritic Composition, Nuclear Reactions, Oxygen, Silicon, Calcium, Inclusions, Iron, Raman Spectra, Sulfur

Scientific paper

A study of carbon contents of millimeter-sized dark clasts and of one dark inclusion of the Allende meteorite with the 13C(d,p0)13C method has been undertaken. The results show that C in dark Allende areas varies, perhaps in a "clustered" fashion, from near 0.3%, which is essentially the bulk C-content of the meteorite, to at least 2.1% in the dark rim of a dark inclusion. At least one cluster has now been identified with C-contents in the range 0.40/ HO.5%. Raman spectra of C in the dark inclusion ADIR 4E1-fu and in matrix have also been determined. These are identical. Our results are consistent with a comparatively low temperature origin of essentially all elemental carbon in Allende.

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