Meteorites and Thermoluminescence

Details Meteorites and Thermoluminescence Meteorites and Thermoluminescence

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979metic..14...29m&link_type=abstract

Meteoritics, volume 14, number 1, page 29.

Mathematics

Logic

2

Meteorites, Samples, Meteorite, Thermoluminescence, Equilibrium, Irradiation, Heating, Intensity, Temperatures, Electrons, Experiments, Dating Technique

Scientific paper

The TL techniques that have been developed successfully for archaeological and dosimetric applications cannot be unambiguously applied to meteorites because of the possibility that most or all of the meteorite TL is in dynamic equilibrium - its rate of thermal decay balancing its rate of build-up. In this situation, space irradiation temperature and, thereby, orbital information for the most recent eras (105-106 years), can be determined. In only a few instances (e.g. meteorites with very low exposure ages) will the possibility exist that equilibrium may not have been reached, but even here it has to be shown that the exposure event had removed previously existing TL before normal TL dating techniques can be employed.
There is some evidence to suggest that the TL sensitivity builds up with time. This raises the possibility of dating major shock and/or reheating events, if it can be shown that such events destroyed the TL sensitivity.

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