Latest Underground Mining News

Catalyst Metals has completed the Trident open pit and is progressing underground development on schedule, aiming to boost gold production at its Plutonic processing plant to 200koz annually.

Andean Silver has significantly expanded its Cerro Bayo silver-gold project resource, increasing the Indicated Mineral Resource by 230% to 60 million ounces silver equivalent and raising the total resource to 136 million ounces AgEq. This upgrade sets the stage for upcoming feasibility studies and a major drilling campaign.

Develop Global has locked in a major A$70 million mining contract for its Pioneer Dome lithium project, setting the stage for first sales in the December quarter of 2026. Strong drilling results and a binding offtake deal with Trafigura underpin the project’s fast-tracked development and cashflow outlook.

New Talisman Gold Mines commissioned its processing plant and secured commercial offtakes while reporting a $2.26 million net loss in FY26. The company is refocusing on geological modelling and targeted drilling to boost resource confidence and production.

Theta Gold Mines has secured US$18.6 million via placement and options exercise, completing equity funding for its US$90 million bond and advancing the TGME Gold Mine towards first production in early 2027.

Cobre Limited has secured an option to acquire 100% of 25 mining concessions adjacent to its Sierra Atacama copper project, significantly enlarging its landholding in northern Chile's IOCG belt with a staged, low-cost payment plan.

Black Cat Syndicate has significantly expanded gold resources at its Kal East operation, lifting Trojan's resource by 62% to 202koz and refreshing Imperial to 84koz, underpinning plans to expand processing capacity and extend mine life.

Kingston Resources launches a $8.47 million rights issue at a 12.5% discount, backed by a $4.4 million placement, to finance a major drilling campaign and plant expansion at Mineral Hill following the closure of its Pearse South open pit.

New Murchison Gold Limited (ASX:NMG) has boosted its Garden Gully Gold Project mineral resource by 47%, adding maiden resources for Lydia and Abbotts and lifting total contained gold to 359,000 ounces.

European Metals Holdings reveals lithium chemical plant design improvements at Cinovec that could slash reagent and power costs by over US$54 million annually, potentially boosting the project’s pre-tax NPV beyond US$1.455 billion.

Kaiser Reef has initiated a 4,350-metre surface diamond drilling campaign at its Maldon Gold Project, targeting the newly identified Quill gold zone alongside other promising prospects, aiming to unlock district-scale potential throughout 2026.

Rumble Resources has boosted its Western Queen gold mineral resource to 433,600 ounces, including a 54% jump in Indicated Resources and a fresh high-grade zone of 52,500 ounces at 11.3 g/t gold. The upgrade follows extensive drilling and will feed into a September Bankable Feasibility Study, keeping production on track for 2027.