Calypso Uranium
Projects
Overview Huemul Project La Pintada Project Ranquil-Co Project Central Block Project Campesino Norte Project San Jorge Basin Exploration Program NI 43-101 Technical Report (PDF)


San Jorge Basin Project
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.

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).


Regional Geology Map

The company is following an exploration program using historical airbone radiometric surveys and in-house field radiometric surveys in order to identify paleo-channel structures with potential uranium mineralization. The company claimed 143,134 ha (1431.34 sqkm) and continues exploring for other potential areas. This strongly uranium-mineralized basin is the site of the most concentrated competitor activity in Argentina.

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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Last Updated October 22, 2008

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