Underground reserves at Plutonic more than tripled to 276,000 ounces of gold at 5.97 grams per tonne gold, after mining depletion of 125,000oz from October 2016 to the end of December 2017.
More than 50% of the Plutonic underground reserves are now in the proven category, up from 100% probable previously.
Total reserves doubled to 382,000oz at 3.47gpt gold, including the Hermes satellite open pit, which reached commercial production last week.
Group measured and indicated resources rose by around 30% to 1.14 million ounces at 3.85gpt gold, while inferred resources jumped by more than 35% to 1.09Moz at 3.98gpt gold.
The inferred resources include a maiden resource of 51,000oz at 1.54gpt gold for Hermes South, where the company recently announced a hit o...