Ann: Spectacular Copper Discovery - Greater Duchess Project, page-172

The drill was still not at end-of-hole when the announcement came ( if I interpret the schematic correctly), moreover, the schematic shows the depth ( on the 17th Dec) to be poised just above the highest chargeability zone so maybe the best is still to come. Up until the announcement timing the drill was still classified as a RC hole and is intended to have a diamond tail. I'm assuming drilling has continued over the weekend, and as stated will continue til the 20th, perhaps the diamond tail has now been fitted for a look-see deeper down