The Goldrush Project in Nevada is Barminco’s first underground mining contract in the USA. The 36-month contract with Nevada Gold Mines – a joint venture between Barrick Gold Corporation (61.5%) and Newmont Corporation (38.5%) – commenced in February 2025 and includes underground development and ground support services.
The Goldrush Project is a new underground development and is targeting production of approximately 400koz by 2028 with a 24-year life of mine.
Ernest Henry is a copper-gold project owned by Evolution Mining and located 38km north-east of Cloncurry, QLD.
Bonnie Vale is a gold project owned by Focus Minerals and located in Coolgardie, Western Australia. Barminco has secured a three-year contract, with the potential for a further two-year extension.
Barminco is working with Spartan Resources at the Dalgaranga Gold Project to establish a twin decline development, totalling 2.3km which will provide access for exploration drilling.
We are proud to support Regis Resources’ Garden Well underground operations near Laverton in Western Australia since 2021.
The Cowal project is a world-class, open pit gold operation located 350km west of Sydney in NSW. In collaboration with Evolution Mining, Barminco are developing a new underground mine to assist Evolution in building towards 350,000ozpa of production.
Hemlo is located 350 kilometres east of Thunder Bay in Ontario, Canada. Barrick Gold’s Williams mine is an underground and open pit operation that has produced more than 21 million ounces of gold. Since commencing at the project in 2019, Barminco have been working to modernise and improve the performance of the mine, employing over 300 Ontario locals on site.
IGO Limited’s Nova mine produces approximately 1.3Mt of Nickel, Copper and Cobalt per annum. Located in Fraser Range, Western Australia the site has over 160 employees and Barminco provides a range of underground production mining and development services.
Rosemont is a gold mine located in Bandya, Western Australia. Operated by Regis Resources, Barminco provides services in underground production mining and underground development. Approximately 40 staff work on site and when production commences, annual productions is anticipated to be 0.2Mt.
Rosemont is Regis Resources first underground operation located within the Duketon Complex, WA.
Zone 5 is a large scale copper deposit located in Botswana. It is the first major underground operation of significant size in Botswana, commencing in 2019.
Barminco is working with client Khoemacau Copper Mining to provide services in underground production mining, underground development and diamond drilling.
Siou is a high-grade gold deposit located some twenty kilometers from the Mana Mine in Burkina Faso. Open-pit production commenced in early 2014, and development of Siou underground began in the third quarter of 2018.
AUMS works with client SEMAFO to provide services in underground production mining, underground development and diamond drilling.
The Yaramoko permit covers approximately 196km2 in the Province of Balé in Southwestern Burkina Faso. The property is located approximately 200 kilometres Southwest from the capital city of Ouagadougou.
AUMS works with client Roxgold to provide services in underground production mining, underground development and diamond drilling.
The Yaramoko mine is a high grade underground gold operation consisting of two deposits, the 55 Zone and Bagassi South.
The ultimate vision for the Subika Underground Project is a +20 year high-production underground mine with a robust business case for future growth. AUMS currently works with client Newmont to provide greater than 40,000m of development over 5 years, 1.3Mt of production per annum, 164,000+ m of diamond drilling and significant vertical development.
Subika underground operation is part of the larger Ahafo complex expected to add ~150-200koz to the operation per annum over its 10+ year life.
Geita Hill is one of the production areas that forms the Geita Complex in Tanzania. Originally an open-pit it is now being developed underground and AUMS works with client AngloGold Ashanti to provide underground production mining and development services.
Nyankanga is in the main production pit of the Geita Mine located in northwestern Tanzania, in the Lake Victoria goldfields of the Mwanza Region, about 120km from Mwanza and 4km west of the town of Geita. Originally an open-pit it is now being developed underground.
AUMS works with client AngloGold Ashanti to provide underground production mining, development and diamond drilling services.
The Obuasi mine is a major redevelopment project in the Ashanti region of Ghana. It has a history of mining dating back to 1897.
AUMS works with client AngloGold Ashanti to provide underground production mining, development and diamond drilling services.
Sunrise Dam is located in Laverton, Western Australia and Barminco works with long-term client AngloGold Ashanti to provide underground production mining and development services. Sunrise Dam is Barminco’s largest Australian contract, with over 330 people working at the site and producing approximately 2.6Mt per year. It began as an open-pit mine but is now exclusively an underground operation.
Located in Leinster, Western Australia the Agnew mine is made up of both Waroonga and New Holland underground operations. Barminco provides diamond drilling to both sites and, underground production mining and underground development services at Waroonga operations. Approximately 190 people work across both sites, with production rates of approximately 0.5Mt per year.
