Abstract
The natural thermoluminescence and associated radioactivities of four previously dated deep-sea cores have been examined for their compatibility as a radiation dosimetry system. The radiation dose equivalence of the natural thermoluminescence in foraminiferal ooze is observed to build up systematically with increasing age. By 105 to 106 years, however, the dosimetry system in most calcareous ooze is effectively saturated. This pattern of dose build-up and saturation with time is consistent with certain general theoretical considerations. It appears, therefore, that the indigenous radiation dosimetry system of foraminiferal ooze, represented by its intrinsic thermoluminescence, is operating in a rational and predictable fashion and will provide reliable dosimetry data.
Published Version
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