PC Gold (ASX:PC2) reported an updated mineral resource estimate (MRE) for its Spring Hill gold project in the Northern Territory, with the global mineral resource up 84% to 43.6 million tonnes at 1.1 grams per tonne grade of gold for 1.51 million ounces at a cut-off grade of 0.5 g/t gold, according to a Tuesday Australian bourse filing.

The company said the indicated component of the resource increased 136% to 28.8 million tonnes at 1.1 g/t gold for 1 million ounces at a cut-off grade of 0.5 g/t gold, with the pre-feasibility study (PFS) on track for delivery in late fourth quarter of the year.