Cosmic-ray-produced Mn-53 in thirty-one meteorites

Details Cosmic-ray-produced Mn-53 in thirty-one meteorites Cosmic-ray-produced Mn-53 in thirty-one meteorites

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978e%26psl..41...91n&link_type=abstract

Earth and Planetary Science Letters, vol. 41, no. 1, Sept. 1978, p. 91-100. Research supported by the Matsunaga Research Grant.

Computer Science

2

Abundance, Cosmic Rays, Manganese Isotopes, Meteoritic Composition, Chondrites, Iron Meteorites, Neutron Activation Analysis, Nuclear Reactions, Particle Flux Density, Radioactive Age Determination, Neutron Activation Analysis, Chondrites, Nuclides, Antarctic Meteorites, Stony Meteorites, Iron Meteorites, Yamato Meteorites, Isotopic Ratios, Isotopes, Meteorites, Samples, Meteorite, Manganese, Cosmic Rays, Concentrations, Exposure Ages, Bombardment, Chemical Composition

Scientific paper

Cosmic-ray-produced Mn-53 was determined by neutron activation analysis in 22 chondrites (including three Antarctic meteorites), four mesosiderites, three iron meteorites, Bencubbin (unique), and Udei Station (iron with silicate inclusions). Preliminary values for Be-10 in the Antarctic (Yamato) meteorites were also obtained. Two meteorites, Yamato-7301 and Bondoc, had extremely low Mn content, and reasons for the low content in the Yamato meteorite are considered. The ratio of Mn-53 production rate in Ni to that in Fe is estimated.

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