The natural thermoluminescence of meteorites. II - Meteorite orbits and orbital evolution

Details The natural thermoluminescence of meteorites. II - Meteorite orbits and orbital evolution The natural thermoluminescence of meteorites. II - Meteorite orbits and orbital evolution

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icar...94..311b&link_type=abstract

Icarus (ISSN 0019-1035), vol. 94, Dec. 1991, p. 311-325.

Computer Science

18

Meteorites, Orbital Elements, Thermoluminescence, Chondrites, Cosmic Rays, Metamorphism (Geology)

Scientific paper

The present consideration of natural thermoluminescence (TL) data for 26 meteorites leads to calculation results for equilibrium natural TL level in ordinary chondrites that are indicative of TL's usefulness as an indicator of perihelion. Comparisons of data with cosmic ray exposure ages shows natural TL levels to be partly related to exposure age; meteorites with high exposure ages have generally lower ranges of natural TL than those with low ages, perhaps reflecting orbital evolution in light of the evolution of mature meteorite orbits to lower perihelia. It is confirmed that only a small proportion of meteorites have had low-perihelia orbits over the most recent 100,000 years.

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