Minerals 260 (ASX:MI6) said an updated mineral resource estimate for the Bullabulling gold project, located in Western Australia, doubled to 4.5 million ounces, according to a Monday Australian bourse filing.

The update grew to 130 million tonnes at 1 gram per tonne grade of gold for 4.5 million ounces of gold, 2.2 million ounces higher.

Around 3 million ounces, or 67%, of the mineral resource estimate is in the indicated category, a 1.6 million-ounce increase from the previous estimate.

The mineral resource estimate is reported within a pit shell using metal price assumptions of AU$4,500 per ounce and is reported above a 0.4 g/t cut-off grade. The block model continues beyond the limit of the mineral resource pit shell.