Horizon Minerals updates Boorara gold resource and delivers 34% increase in grade The April 2021 mineral resource model has shown a reduction in tonnage offset by a 34% increase in grade and an updated estimate of 11 million tonnes grading 1.26 g/t gold for 448,000 ounces at a 0.5 g/t gold cut-off grade. Open pit mining optimisation and design studies are well advanced for generation of ore reserves in the third quarter as part of a consolidated feasibility study. Horizon Minerals Ltd (ASX:HRZ) has received further validation of the golden potential of Boorara Gold Project, 15 kilometres east of Kalgoorlie-Boulder in the Western Australian Goldfields, with an updated independent mineral resource estimate delivering a 34% increase in grade.