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Geology
The Rio Grande property is a large porphyry copper-gold prospect with associated IOCG (Iron Oxide Copper Gold) style alteration. Mineralization covers a large area measuring at least 4 sq. km. and consists of disseminated and veinlet-controlled magnetite-chalcopyrite. Primary copper sulphides have been weathered to secondary, black and blue-green copper oxides to depths in excess of 200 m. A thorough review of work previously completed by Teck Corporation (“Teck”) in 2000-2001, as well as new geological and structural mapping by Antares, has identified a series of target areas with potential for higher copper-gold grades within a distinct 2 km diameter ring of IP chargeability and anomalous surface and subsurface copper and gold geochemistry. The 200 m average estimated depth to the top of the IP anomalies suggests that there is potential for an  extensive area of oxidized mineralization that may be amenable to SX-EW recovery of copper.
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