BHP unveils high-grade copper resource near its Olympic Dam operation in South Australia

By Daniel Brightmore
BHP, the world’s leading miner, has confirmed the identification of a potential new iron oxide, copper, gold (IOCG) mineralised system, located 65 kil...

BHP, the world’s leading miner, has confirmed the identification of a potential new iron oxide, copper, gold (IOCG) mineralised system, located 65 kilometres to the south east of BHP’s operations at Olympic Dam in South Australia.

As part of BHP’s ongoing copper exploration program, four diamond drill holes, totalling 5346 metres, intersected copper, gold, uranium and silver mineralisation of IOCG style on BHP’s exploration licence 5941. It is already being referred to by some industry experts as “the thickest high-grade copper intersection seen in years”.

Laboratory results show downhole mineralisation intercepts ranging from 0.5-6% copper with associated gold (up to 0.92g/t), uranium (up to 401ppm) and silver (up to 12.77g/t) metals.

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BHP has revealed this exploration project is at an early stage and there is currently insufficient geological information to assess the size, quality and continuity of the mineralised intersections. The mining giant is evaluating and interpreting the results reported and planning a further drilling program in the Olympic Dam area, commencing in early 2019.

BHP’s copper exploration program has targeted the Stuart Shelf in South Australia as part of a focused global program which includes Ecuador, Canada, Peru, Chile and the south west of the United States.

Unlike many of its competitors who cut exploration budgets during the downturn, BHP has maintained a significant copper exploration budget averaging $60m per year. The theory behind this continued endeavour is for BHP to be ready to meet the rising need for copper from the electric vehicles sector as it seeks to create a robust charging infrastructure to keep vehicles running.

A statement from the company pledged: “Copper and oil are the main focus of BHP’s exploration programs in order to replenish our resource base and enhance our portfolio.”

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