December is a period that sees lower levels of exploration and resource announcements, and last month was every bit as disappointing as expected, an SNL report shows.
The mine generated 20.3 million ounces (moz) of silver contained in concentrates recovered from 1.246 million tonnes of ore at an average grade of 585 grams per tonne (gpt).
The company pointed to the transition of its Argyle mine from open pit to underground, as well as a shift toward processing lower-grade ore at Diavik as the main reasons for the drop.
The world’s second largest iron ore miner is targeting a 18% output increase this year, adding to a mounting global glut that has driven down the commodity price.
With Duluht’s acquisition, Antofagasta takes control of the Twin Metals project, located in north-eastern Minnesota, which is set to become its first operation outside Chile.
The situation may soon change, as authorities have began talks with the country’s top miners, signalling the possibility of a compromise over the country’s new tax regime.