The Alacran deposit is a part of the San Matias growth. The undertaking additionally hosts three satellite tv for pc deposits (Montiel West, Montiel East and Costa Azul).
Taken collectively, the 4 deposits have an indicated useful resource of 114.3 million tonnes grading 0.45% copper, 0.26 g/t gold and a couple of.42 g/t silver (0.64% copper-equivalent). The inferred useful resource is 4.8 million tonnes grading 0.26% copper, 0.2 g/t gold and 1.21 g/t silver (0.39% copper-equivalent).
In response to the 2019 preliminary financial evaluation, an open pit mining plan with standard, drill, blast, shovel loader, and truck haulage is deliberate. The concentrator design has a main crusher, SABC circuit, rougher flotation, two levels of cleaners and a scavenger circuit plus a pyrite flotation circuit.
Tailings can be saved within the Concepcion Creek Valley to the west of the Alacran pit beneath a everlasting water cowl. Preliminary capital prices for an 8,000-t/d operation could be C$161 million ($127.6m).
(This text first appeared within the Canadian Mining Journal)