US mining news

Twin Metals Minnesota has released a statement in response to the recent cancellation of its mineral leases in Minnesota by the US Department of the Interior.

The US Department of the Interior has cancelled two hardrock mineral leases held by Twin Metals Minnesota adjacent to the Boundary Waters Canoe Area Wilderness.

Bradda Head Lithium has announced that the final assay results from its Basin East Project (BE) have been received.

Bradda Head Lithium has announced the results from Zonge Engineering’s MT and from Terravision Exploration’s GPRPlus survey, both carried out at its Eureka asset.

K2 Gold Corp. has signed an option agreement with Orogen Royalties Inc., to earn a 100% interest in Orogen’s Si2 gold project.

Rio Tinto has released it production results for 4Q21.

Calibre Mining Corp. has reported results from the remaining nine core holes completed during previous exploration programmes at the newly acquired Gold Rock project in Nevada, USA.

South32 Ltd has provided an update following the completion of a pre-feasibility study for the Taylor Deposit, which is the first development option at the company’s 100% owned Hermosa project located in Arizona, USA.

Ambler Metals LLC, the joint venture operating company equally owned by Trilogy Metals and a wholly-owned subsidiary of South32 Ltd, has approved the 2022 programme and budget of approximately US$28.5 million for the advancement of the Upper Kobuk Mineral Projects (UKMP) located in Northwestern Alaska.

Calibre Mining Corp. and Fiore Gold Ltd has announced the successful completion of the transaction pursuant to which Calibre acquired all of the issued and outstanding common shares of Fiore.