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Publikováno v:
Geology of Ore Deposits. 56:665-670
Ilmenite crystals incorporated into epidote phenocrysts of porphyry dikes contain up to 8.8 wt % ZnO and 20 wt % MnO. These crystals, less than 50 μm in size, are associated with rutile, pyrite, pyrrhotite inclusions and are characterized by nonunif