Quartz thermoluminescence (TL) in gold exploration; some applications |
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| Authors: | J M Charlet and Y Quinif |
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| Institution: | (1) Groupe GEP (Géologie, Etudes et Prospection), Faculté Polytechnique de Mons, 9, rue de Houdain, 7000 Mons, Belgique |
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| Abstract: | The possible uses of thermoluminescence in mineral exploration are summarised. The methodology is described and some applications for gold exploration are developed with regard to the district of St-Yrieix (Limousin, France), the district of Salsigne (Herault, France) and some occurrences in the Ardenne massif (Belgium). From these cases, different possibilities may be mentioned: the distinction of various types of mineralized structures (St-Yrieix); the evaluation of the potential of mineralized districts from samples collected in the old mining works or in the superficial formations, etc. (St-Yrieix; Ardenne massif), and the determination of a genetic affiliation between different types of mineralizations (e.g. between stratiform deposits and vein-type deposits: the comparison between the districts of St-Yrieix and Salsigne). Finally new possibilities using the TL sensitivity and the equation of the straight lines NTL (natural TL) and ATL (induced TL) are evaluated. |
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