CLIENT: Evolution Mining

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.

Zone 5

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.

CLIENT: Billabong Gold

Plutonic is a gold mine in Western Australia that has been in continuous production since 1990. It is currently targeting 100koz per annum.

Barminco words with client Billabong Gold to provide diamond drilling services.


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.


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.

Spotted Quoll
Flying Fox
Mt Colin

Barminco works with newly formed company Round Oak Minerals at their copper mine start-up, Mt Colin. Once ramp up is complete, Mount Colin will be developing approximately 0.4Mt tonnes per year. Approximately 40 employees are currently based at this site.


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.