There are so many possible causes of thermoluminescence besides radioactive history that a variety of patterns may be found in the vicinity of ore deposits. At the Whalesback copper deposit, Springdale, Newfoundland, in altered volcanic rocks, 'the intensity and/or width [up to 200 feet] of the zone of anomalous thermoluminescence appears to related to the amount of chalcopyrite mineralization but does not appear to have any direct relationship to the pyrite and pyrrhotite mineralization.' Though not universally applicable, thermoluminescence should commonly have value as an exploration tool.

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