http://data.geoscience.gov.au/feature/ga/commodityResourceView/ga.commodityResourceView.123456 gold primary commodity very large Lassiter's Reef Lassiters 1300 Mt @ 2.7 g/t Au 800 Mt @ 2.9 g/t Au proved ore reserves 500 Mt @ 2.6 g/t Au inferred mineral resource JORC code surveyed 0.5 metre BHP Billiton Pty Ltd annual report, 2010 http://resource.geosciml.org/classifier/cgi/commodity-code/gold http://data.geoscience.gov.au/feature/ga/mineralOccurrenceView/ga.mineralOccurrenceView.123456 http://ga.gov.au/feature/mine/ga.mine.123456 http://resource.geosciml.org/classifier/cgi/reserve-assessment-category/proved-ore-reserves http://resource.geosciml.org/classifier/cgi/resource-assessment-category/inferred-mineral-resource http://resource.geosciml.org/classifier/cgi/classification-method-used/jorc-code http://ga.gov.au/feature/commodityResource/ga.commodityResource.123456 138.234 -26.747467