RE:Itafos product is open pit at the surface only 25% explored They don't need to drill at this point with 90 million tonnes available. they have years of production material right now.
In March 2013, MBAC released an updated resource estimate which delineated a deposit containing 79.0 million tonnes of measured and indicated mineral resources and 12.7 Million tonnes of inferred resources. Only 25% of the land package has been explored for the resource estimate. Further phase 2 drilling of the land could support Itafós' production expansion.