Emission spectra of meteorites during thermoluminescence

Details Emission spectra of meteorites during thermoluminescence Emission spectra of meteorites during thermoluminescence

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986e%26psl..77...14s&link_type=abstract

Earth and Planetary Science Letters (ISSN 0012-821X), vol. 77, no. 1, Feb. 1986, p. 14-19. Research supported by the Oklahoma St

Mathematics

Logic

3

Chondrites, Emission Spectra, Meteoritic Composition, Thermoluminescence, Mineralogy, Spectrum Analysis, Meteorites, Emissions, Spectra, Thermoluminescence, Ordinary Chondrites, Petrology, Samples, Meteorite, Temperature, Models, Laboratory Studies, Shock Effects, History, Glow Curve, Kinetics, Procedure, Farmington, Allegan, Barwell, Olivenza, Stony Meteorites, H5 Chondrites, Wavelengths, L6 Chondrites, L5 Chondrites, Ll5 Chondrites

Scientific paper

The emission spectra of four ordinary chondrite meteorites of petrological type 5 have been recorded during thermoluminescence. Spectra from all four samples are similar. A very broad emission structure peaked near 470 nm and extending from 300 to at least 700 nm is found for the glow peaks from about 150 to 250 C. The higher temperature peak, 300-500 C, exhibits a different character with a narrow emission band near 400 nm. A tentative model for a luminescence site is offered. The broad similarity between the four samples is particularly interesting as the samples include chondrites of different shock history. The importance of the changes in glow curve spectra with temperature are noted for kinetic analyses of conventional glow curves.

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