QUEBEC – The Lamaque gold mine near Val dOr is back in operation now that owner CENTURY MINING of Blaine, Wash., has received its underground mining permit from the QUEBEC MINISTRY OF ENVIRONMENT. The mine is sending up to 400 t/d of ore to the nearby Sigma mill.
The permit also allows Century to build a haulage drift from the underground Lamaque mine to the old Sigma pit. Such as drift will facilitate transport from the upper portions of the mine and allow ore to be stockpiled in the pit.
Rehabilitation of the main accesses and secondary means of egress have been completed and ground conditions encountered continue to be favourable, says the company. The gold-bearing veins encountered to date underground are narrow-vein flat-lying structures, typically ranging in width from several centimetres to a metre, with significant assayed gold values returned from many samples and the presence of visible free gold occurring in a number of veins.
The Sigma-Lamaque underground has NI 43-101-compliant resources as follows: measured 772,000 t at a grade of 5.4 g/t Au; indicated 3.15 million t at a grade of 4.91 g/t Au for a total contained 630,000 oz of gold. A further 10.1 million t are included in the inferred category at a grade of 5.21 g/t Au containing 1.7 million oz of gold.
A brief history of the Sigma-Lamaque complex is posted at www.CenturyMining.com.