Correlated study of initial Sr-87/Sr-86 and Al-Mg isotopic systematics and petrologic properties in a suite of refractory inclusions from the Allende meteorite

Details Correlated study of initial Sr-87/Sr-86 and Al-Mg isotopic systematics and petrologic properties in a suite of refractory inclusions from the Allende meteorite Correlated study of initial Sr-87/Sr-86 and Al-Mg isotopic systematics and petrologic properties in a suite of refractory inclusions from the Allende meteorite

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991gecoa..55.1083p&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 55, April 1991, p. 1083-1110.

Computer Science

67

Allende Meteorite, Aluminum Isotopes, Magnesium Isotopes, Meteoritic Composition, Strontium Isotopes, Abundance, Inclusions, Petrography, Petrology, Refractory Materials, Meteorites, Strontium, Isotopic Ratios, Aluminum, Magnesium, Petrology, Refractory Material, Inclusions, Allende, Cv3 Chondrites, Chondrites, Stony Meteorites, Cais, Laboratory Studies, Samples, Meteorite, Data, Chemistry, Mass Spectrometry, Abundance, Distribution, Procedure, Microprobe Methods, Mineralogy, Fassaite, Anorthite, Rubidium,

Scientific paper

The abundance and the distribution of Al-26, and the initial Sr-87/Sr-86 ratios were determined in a suite of six coarse-grained Ca-Al-rich inclusions from the Allende meteorite, using, respectively, petrographic and chemical characterizations and ion-probe mass spectrometric analyses of the Al-Mg isotopic system, and thermal emission spectrometric analyses of the Rb-Sr system. Results establish a firm association between primitive Al-26/Al-27 and primitive Sr-87/Sr-86 found in each of these inclusions. None of the results required interpretation in terms of heterogeneously distributed Al-26.

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