OzAurum’s grade control drilling has provided shallow, high-grade gold hits at the Mulgabbie North project - suitable for ...

A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. Put simply, the stripping ratio is the amount of waste material, also known as overburden, that ...

The Costa Rican government announced a proposal to exploit open-pit gold mining in Crucitas, San Carlos. The proposal is based on an “upward auction” process, starting from a minimum rate per ounce of ...

The President of Costa Rica, Rodrigo Chaves, proposed on Tuesday to exploit a gold deposit in the north of the country after winning a lawsuit against the Canadian mining company Infinito Gold, the ...