The company says the Albatross discovery, about 1 km west of the Cass zone, demonstrates potential near the Kim and Cass zones for additional resources.

Payback from the start of commercial operation would take 2.4 years with the initial capital expenditure estimated at C$367 million.

The Donlin project hosts one of the largest and highest grade undeveloped deposits in the world.

Iamgold has completed drill holes totalling 19,952 metres of diamond drilling and reverse circulation drilling this year.

The two companies have agreed to negotiate the terms of a joint venture, allowing Northern Star to earn up to a 50% interest in the Windfall project.

The miner spent C$14 million in exploration, which exceeds the C$10 million required to become Janice's majority owner.

No further work was done at the Mon mine until Sixty North mounted a five-hole drill program in 2016.