Heatherdale is a mineral exploration and development company focused on advancing its 100% owned Niblack Copper-Gold-Zinc-Silver Project. Heatherdale is publicly traded on the TSX Venture Exchange (TSXV) under the symbol HTR.
The Niblack Project is located on southeast Alaska's Prince of Wales Island. Niblack holds 6,200 acres of federal and state mineral claims, 250 acres of patented lands, and related mineral exploration permits, equipment and infrastructure that comprise the project.
Six high-grade volcanogenic massive sulphide (VMS) deposits are known to occur within the Niblack mineral claims.
Since 2009, drilling has been successful at significantly increasing resource tonnage at Niblack -- the Indicated resource has grown from 2.6 Mt to 5.6 Mt and the Inferred resource has grown from 1.7 Mt to 3.4 Mt.
At a US$50 net smelter return cutoff1, the November 2011 estimate comprises:
5.6 million tonnes in the Indicated category grading 0.95% copper, 1.75 g/t gold, 1.73% zinc, 29.52 g/t silver; and
3.4 million tonnes in the Inferred category grading 0.81% copper, 1.32 g/t gold, 1.29% zinc, 20.10 g/t silver.
Within the Indicated resources in the Lookout deposit there is a continuous high grade zone which, at a US$150 NSR cut off1, comprises 1.2 million tonnes grading 1.71% copper, 3.21 g/t gold, 3.83% zinc, 62.68 g/t silver.
Given its geological endowment and proximity to tidewater in a stable jurisdiction with a long tradition of hardrock mining, Niblack has the potential to support a high-grade underground mining operation.