The GSR robot had been operating at a depth of 4.5 kilometers (2.8 miles) in the Clarion-Clipperton Zone.

Infill drilling continues to deliver extremely high grades pointing toward resource expansion.

Total inferred mineral resource of the Imbo project is now 3.46 million ounces of gold.

Pre-investment work would will allow company to ramp up mining and drilling activities at its Simberi sulphide project.

"For 2030/2031 we are looking at a supply gap of 4.5 million tonnes of greenfield project capacity, " said Wood Mackenzie.

A concentrate grading 63% nickel and 1% cobalt was produced.

To date, drilling has hit high-grade and visible gold in three zones at Perron.

The miner will record emissions and purchase offsets for the carbon emitted from exploration activities over the past decade at the McIlvenna Bay deposit.