Rocks that glow in the dark

Details Rocks that glow in the dark Rocks that glow in the dark

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979newsc..83..112s&link_type=abstract

New Scientist, vol. 83, July 12, 1979, p. 112-114.

Physics

Cosmic Rays, Geochronology, Meteorites, Radiative Lifetime, Thermoluminescence, Emission, Graphs (Charts), Histories, Irradiation, Meteorites, Thermoluminescence, Crystals, History, Origin, Radioactivity, Cosmic Radiation, Carbon 14, Radiometric Dating, L-Chondrites, Carbon, Isotopes

Scientific paper

Three ways in which the radiations and thermal histories of meteorites can affect their thermoluminescence are discussed. Meteorite history can be investigated by studying thermoluminescence which is little affected by the heat generated during passage of the meteorite through the atmosphere. Consideration is given to the so-called black meteorite that has the low ability to store and produce thermoluminescence. When that meteorite falls to the earth, its thermoluminescence is quite high due to the high level of cosmic ray bombardment in space. Once on earth, the amount of thermoluminescence starts to decay to a new level appropriate to its new radiation and thermal environment. This gives a means of estimating the terrestrial residence time of meteorites.

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