Distribution properties of the long-lived radionuclides Mn-53, Be-10, and Al-26 in meteorites

Details Distribution properties of the long-lived radionuclides Mn-53, Be-10, and Al-26 in meteorites Distribution properties of the long-lived radionuclides Mn-53, Be-10, and Al-26 in meteorites

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991avest..25..372a&link_type=abstract

Astronomicheskii Vestnik (ISSN 0320-930X), vol. 25, May-June 1991, p. 372-380. In Russian.

Astronomy and Astrophysics

Astronomy

2

Galactic Cosmic Rays, Meteoritic Composition, Meteoritic Microstructures, Radioactive Age Determination, Radioactive Isotopes, Aluminum Isotopes, Beryllium Isotopes, Manganese Isotopes, Orbital Elements

Scientific paper

The distributions of the saturated contents of the long-lived cosmogenic radionuclides Mn-53, Be-10, and Al-26 in 300 ordinary non-Antarctic and Antarctic chondrites (H, L, and LL) are investigated. The average contents of the radionuclides in the non-Antarctic H chondrites of low-exposure ages were found to be higher than those in non-Antarctic H chondrites of high-exposure ages. This difference is directly proportional to the radionuclide half-life and is 29 +/-8 percent for Mn-53. A similar trend is found in the Antarctic H chondrites.

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