The Omolon hub comprises of the Kubaka processing plant and operating mines - Tsokol, Birkachan, Olcha,Yolochka. All parts of the hub are centred around the 850 Ktpa Kubaka CIP plant, which serves as the processing facility for operating mines in the area and future near-mine feedstock. In addition, the Company operates a 1 Mtpa seasonal heap leaching circuit at the Birkachan mine.
All parts of the Omolon hub are located northeast of the Magadan region in remote and unpopulated areas covered with taiga forest, with only seasonal access. Land transportation between various parts of the Omolon hub is only possible during the winter via unpaved winter roads.
Olcha
The development of reserves at the Olcha deposit is used through the phased commissioning of production facilities: Stage I - development of reserves in the Central and Southern zones by conventional truck and shovel mining method, Stage II - development of reserves by an underground method.
Access to the underground ore bodies is carried out via East and West adits.
Sub level open stoping is utilizing for mining ore bodies with a thickness of more than 3 m and shrinkage stoping for mining ore bodies up to 3 m thick.
The ore is delivered to the stockpile, from where it is transported to the Kubaka processing plant via winter roads.
Birkachan
Mining at Birkachan open-pit was completed in Q4 2020.
Access to ore bodies at Birkachan undergro ........