Mathematics
Scientific paper
Sep 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992metic..27..371g&link_type=abstract
Meteoritics (ISSN 0026-1114), vol. 27, no. 4, p. 371-381.
Mathematics
18
Chondrites, Cosmic Rays, Meteoritic Composition, Nuclides, Stony Meteorites, Core Sampling, Isotopes, Mathematical Models
Scientific paper
Results are presented from an analysis of core samples obtained from different depths of the Chico (New Mexico) L6 chondrite for various cosmogenic nuclides (Be-10, Al-26, and stable isotopes of He, Ne, and Ar). The relationships between the measured abundances of cosmogenic nuclides and cosmogenic Ne-22/Ne-21 ratio were compared with predictions of recent semiempirical models of Graf et al. (1990) and Reedy (1991), and it was found that both models closely reproduce the observed trends and absolute values of the data obtained. Noble gas data indicate that Chico experienced shielding similar to that of Jilin and greater than those of the Knyahinya or the Keyes chondrites. The exposure history for Chico is discussed.
Albrecht Andreas
Bogard Donald D.
Dezfouly-Arjomandy B.
Fink David
Garrison Daniel H.
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