Well known area of substantial and exceptionally high grade zinc-lead mineralisation and an existing Exploitation Licence and surrounding Exploration Licence. There is a long successful mining history in the Black Angel mine in the Maarmorilik Zinc District – a total of 11.2 Mt grading 12.4% zinc and 4.2% lead mined over 17 years. Mining was generally profitable despite challenging location and innovative operations. There is a substantial exploration potential to locate new resources of a similar order of magnitude to that mined previously mined and more than 200 mineralised showings are recorded in the area, some with similar style and grade to the Black Angel mineralisation. Some grab samples grade more than 40% zinc.
PAST PRODUCTION & RESOURCES IN PLACE
11.2 Mt of 12.4% Zinc and 4.2% lead mined for 17 years
Substantial infrastructure already in place
More than 200 mineralised showings in the area
New IP study done in 2015 identifying untested ore bodies
Drilling programme in 2016
In 1971 the Danish mining company Greenex A/S (established in 1964 and 62.5% owned by Cominco Ltd through the subsidiary Vestrgron Mines Ltd) obtained a 25-year exploitation concession. Underground exploration in 1971-1972 indicated a probable ore reserve of 4.1Mt grading 15.0% Zn, 5.0% Pb and 28g/t Ag. Fifteen months later the mine was brought into production which lasted for 17 years.
During the 17-year life of the mine ore was extracted using a room and pillar mining method, leaving behind large empty caverns (up to 25m high). During the operation the broken ore was hauled by truck to ore passes and then by locomotive haulage to the primary crusher bin just inside the tramway portal. The crushed ore was skipped across the fjord to the ore dressing plant by an aerial tramway with a free span of 1,500m.