In 2017, BHP told investors that Olympic Dam had a total resource of more than 120 million tonnes of copper, which, at current mining rates, would take 500 years to deplete.In other words, IOCG deposits can be company-makers.
The Olympic Dam copper-uranium-gold deposit, Roxby Downs, South Australia
A new type of stratabound sediment-hosted ore deposit. The deposit is estimated to contain in excess of 2,000 million metric tons of mineralized material with an average grade of 1.6 percent copper, 0.06 percent uranium oxide, and 0.6 g/metric ton goldUnderground mine.
The Olympic Dam mine works an extremely large iron oxide copper gold deposit with estimated reserves of 2.95 billion tonnes of ore grading 1.2% copper, 0.04% uranium, . 5 g/t of gold and 6 g/t of silver.
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