The Bowen Basin in Central Queensland contains most of Australia’s high quality metallurgical (coking and pulverised coal injection (PCI)) coal reserves, as well as significant deposits of thermal coal.

Bituminous coal is mined from the Permian German Creek Coal measures.

Gregory–Crinum, a hard-coking coal mine 60 km north east of Emerald, reopened after being placed in care and maintenance by previous owners.

Sojitz acquired the Gregory Crinum metallurgical coal mine from BMA in 2019 and is currently mining from the open cut area, with a further strategy to investigate the viability of re-opening the previously sealed Crinum underground mining area.

Crinum mine
During 2020, Sojitz appointed Mastermyne to undertake a feasibility study focusing on the development of a high productivity bord and pillar mining operation. In parallel, Mastermyne were also engaged as the Mine Operator to undertake the re-entry process. The underground mining area was successfully re-entered in late October 2020, with no issues encountered. Mastermyne has continued as the Mine Operator whilst Sojitz finalised internal approvals.

The project scope includes the re-establishment of the underground infrastructure including conveyor systems, ventilation, associated mine services, remediation works and surface infrastructure all of which is expected to take approximately 6 months. Following the re-establishment works the mine will immediately transition into production with a staged ramp up to 3 bord and pillar mining units. The underground mine will produce approximately 11 million tonnes ROM (run of mine) over the life of the project. Mining production is planned to commence late this calendar year.

At full production, ........

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