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![](./images/clear.gif) 1.- Trace element characteristics of different pyrite types in Mesoarchaean to Palaeoproterozoic placer deposits
Springer-Verlag; Berlin; DEU; Federal Republic of Germany, 2010
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![](./images/clear.gif) 2.- URANIUM PROVINCES OF NORTH AMERICA; THEIR DEFINITION, DISTRIBUTION, AND MODELS
U. S. GEOLOGICAL SURVEY; RESTON, VA; USA; UNITED STATES, 1996
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