Copper mining giant BHP is investing US$555 million (AUS$840 million) in several projects at its Olympic Dam copper operations in South Australia to boost production and processing capabilities at the site. With the investment, BHP will fund an underground access tunnel into the Southern Mine Area, providing access to a new section of the resource, viewed as critical for global technology development and the energy transition. BHP’s investment will also fund a new backfill system to deliver paste fill via underground pipes to…
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