A 50:50 joint venture with Centerra Gold and
Premier Gold Mines updates resources for Hardrock deposit -
Jackson Chen | October 3, 2019 | 4:52 pm
Exploration Canada Gold A historic headframe at Premier Gold Mines’ Hardrock gold project in Ontario. Photo by Premier Gold Mines.
Resources in the open pit planned for the Hardrock gold deposit near
Geraldton have risen to 5.8 million oz., according to
Premier Gold Mines of Thunder Bay, Ontario.
The deposit is part of the Greenstone project,
a 50:50 joint venture with Centerra Gold. This year’s updated numbers are an improvement on the 2016 in almost
In the pit constrained measured and indicated resource the contained
ounces are up 26% from 2016 at 5.8 million oz., but the same category
underground has 28% fewer contained ounces at 1.2 million oz.
Inferred resources in the open pit category contain 36,000 oz. of gold,
a jump of 650%, and inferred underground resources contain
3.1 million oz., an increase of 24% over the older estimate.
Premier says it has deepened the optimized pit shell, and that made more
ounces potentially recoverable by low cost open pit mining.
Total measured and indicated resources at Hardrock are 147.5 million
tonnes grading 1.50 g/t gold and containing 7.1 million oz.
The inferred resource is 25.5 million tonnes grading 3.77 g/t gold and
containing 3.1 million oz.
There was a 10% increase in the grade of the measured and indicated
material to 1.50 g/t gold.
An increase of 6% was noted in the grade of the inferred category to
3.78 g/t gold.
The 2016 resource estimate considered only mineralization recoverable
by pit methods.
In 2018 the report includes several deposits elsewhere on the
Greenstone property, high grade satellite deposits at
Brookbank and Key Lake that have potential for future mining.
The underground portion of the deposit remains open down plunge.
(This article first appeared in the Canadian Mining Journal) https://www.mining.com/premier-gold-mines-updates-resources-for-hardrock-deposit/
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