Latest Copper And Antimony News

Diablo Resources has acquired an 80% stake in Utah's Horn Silver Mine, a historically prolific high-grade silver asset, backed by a $3.5 million capital raise to accelerate drilling across multiple immediate targets.

TechGen Metals (ASX: TG1) has reported promising high-grade copper and gold results from multiple Western Australian projects, while gearing up for extensive drilling campaigns through 2026.

West Cobar Metals reports promising heap leach testwork at Salazar with strong rare earth recoveries, a significant expansion of its Bulla Park copper-antimony tenure, and confirmed widespread gold mineralisation at Mystique.

Octava Minerals has delivered its first drilling results in nearly 50 years at the Federation Project in Tasmania, revealing significant copper, indium, tin, antimony, lead, and zinc mineralisation across multiple styles.

Miramar Resources has completed a 19-hole RC drilling program at its Gidji JV Gold Project, revealing extensive shallow gold mineralisation including high-grade hits. The company also progressed project sales and acquisitions, supported by a $1.49 million capital raise and board reshuffle.

AIS Resources has commenced a detailed helicopter-borne magnetic survey over Riversgold’s Saint John Gold/Copper/Silver/Antimony Project in New Brunswick, aiming to sharpen drill targets ahead of 2026 exploration drilling.

West Cobar Metals (ASX: WC1) is progressing its U.S.-focused critical minerals strategy by formally engaging with U.S. government funding programs and partnering with Washington D.C.-based advisor GreenMet. The company’s Australian projects contain key minerals aligned with U.S. supply chain priorities, while it evaluates potential U.S. acquisitions to expand its footprint.

Rapid Critical Metals Ltd has acquired an 80% interest in Green Copper Pty Ltd, gaining control of the Tooloom Silver Project in northern New South Wales. The acquisition adds a large, historically productive silver district with multiple high-grade targets, complementing Rapid's existing NSW assets.

Alkane Resources delivered 45,776 ounces of gold equivalent in Q3 2026, boosted cash and bullion holdings to $362 million, and maintained its full-year production guidance amid stable operations.

Regener8 Resources advances its due diligence on the Srebrenica North Project in Bosnia-Herzegovina, revealing promising high-grade silver, lead, zinc, and antimony mineralisation at the Dolovi tenement. Historical data and recent sampling highlight significant exploration potential near established mines.

West Cobar Metals has significantly expanded its exploration tenure in NSW’s Cobar district by applying for two new licences, increasing its coverage to around 1,090 km² and unlocking fresh potential for copper, gold, antimony, and silver discoveries.

Red Mountain Mining has reported outstanding high-grade antimony and anomalous gold assay results from its Thompson Falls Antimony Project on the Montana-Idaho border, signalling promising resource potential near the only operating US antimony smelter.