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 BELLA VISTA - Environmental Impact ReportApril 2008, PDF SAN BLAS - Environmental Impact ReportDecember 2007, PDF CHINGOLITO - Environmental Impact ReportApril 2008, PDF LA BOMBILLA - Environmental Impact ReportApril 2008, PDF LA FLECHA - Environmental Impact ReportApril 2008, PDF SIERRA CHIQUICHAN - Environmental Impact ReportApril 2008, PDF | |  The San Jorge basin includes the Cerro Solo deposit, one of the two known Argentine uranium resources. The deposit, a uranium sandstone type deposit, is controlled by the federal agency CNEA and contains geological resources of 12,207 tonnes U3O8 using cut off 0.01% U3O8 (CNEA, 2005). These resources are not NI 43-101 compliant but are true resources. This strongly uranium-mineralized basin is the site of the most concentrated uranium exploration activity in Argentina. Located in the Argentine Patagonia, the San Jorge Basin represents an intra-cratonic basin generated by extensional process during the late Jurassic period while Gondwanaland was being disaggregated and the South America plate was moving westward (Hechem et al, 1989). The sedimentation initiated in the lower Cretaceous as a continental fluvial system grading to a continental pyroclastic sequence and finishing with other fluvial event. Cerro Solo is located in paleo-channels in the lower fluvial event. However, uranium manifestations were recognized by CNEA in all the Cretaceous sediment sequences (Belcastro et al, 1962).
The company claimed 151,459 ha (1514 km2). Based on initial prospecting, the company identified important alteration areas with caliche-cemented uranium mineralization and uranium (+ copper) mineralization product of epigenetic processes. | |
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