As-Ni-Co-U-Bi mineralization in Carrizal uranium ore deposit, San Juan Province. Argentina
Drill samples from the Carrizal uranium ore deposit located in Western Precordillera, Province of San Juan, Argentina, were studied by petrography, ore microscopy, X-ray diffraction, energy dispersive electron microscope and microprobe methods. A mesothermal ore paragenesis composed of arsenic-nicke...
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| Autores principales: | , |
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| Formato: | JOUR |
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_00044822_v52_n1_p41_Morello |
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| Sumario: | Drill samples from the Carrizal uranium ore deposit located in Western Precordillera, Province of San Juan, Argentina, were studied by petrography, ore microscopy, X-ray diffraction, energy dispersive electron microscope and microprobe methods. A mesothermal ore paragenesis composed of arsenic-nickel-cobalt-uranium-bismuth minerals was identified. The established paragenetic sequence is pyrite-bismuthinite; nickeline-gersdorffite-rammelsbergite-pechblende, in an assemblage hosted by lithic breccia. A second mineralization stage produced a porphyry copper deposit, spatially but not genetically associated with the above described assemblage. © 1997 Asociación Geológica Argentina. |
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