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Canada
Pine Cove Mine (Point Rousse Operation)

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 Location:
6 km NE from Baie Verte, Newfoundland and Labrador, Canada

  Address:
232 Highway 410
PO Box 238
Baie Verte
Newfoundland and Labrador, Canada
A0K 1B0
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeStockpile
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Commercial Production began at the Pine Cove Mine on September 1, 2010. Mining at the Pine Cove Mine concluded in October of 2020.


Owners

Source: p. 6
CompanyInterestOwnership
Signal Gold Inc. 100 % Indirect
The Anaconda Mining owns 100% of the Point Rousse Operation.

Contractors

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Deposit Type

  • Orogenic
  • Vein / narrow vein


Summary:

The Point Rousse Complex is host to orogenic style gold mineralization. Mineralization comprises both vein-hosted and altered-wall rock or replacement styles of mineralization and both exhibit features common to orogenic gold deposits. The mineralization is typically structurally controlled and developed within subsidiary deformation zones, such as the Scrape Trust Fault, to major regional structures, like the Baie Verte – Brompton Line fault. Gold mineralization is intimately associated with disseminated and massive pyrite within the host rock indicating that iron rich rocks are an important precursor to mineralization. Alteration within mafic volcanic and gabbroic rocks can be is characterized by albitization and carbonitization. Iron and titanium rich lithologies associated with the Scrape Thrust are typical host rocks.

The Point Rousse gold mineralization exhibits relatively narrow, but distinctive alteration haloes dominated by Fe-carbonate, albite, sericite, chlorite and leucoxene (Plate 9). The ore mineralogy is relatively simple and is generally comprised of non-refractory gold either as free gold or as coatings on, or along fractures/grain boundaries in pyrite. Silver and base metals can be present in minor amounts and the deposits typically exhibit only trace arsenic.

The geological setting of the Pine Cove Mine area is characterized by greenschist facies mafic volcanic and volcaniclastic rocks, clastic sedimentary rocks and minor iron formatio ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining at the Pine Cove Mine concluded in October of 2020 with a total of 154,540 ounces produced.

Pine Cove Stockpile
At the Pine Cove Mine site the 2021 Pine Cove Stockpile is currently stored on top of the South Mill Waste Dump. The 2021 Pine Cove Stockpile was derived from marginal grade (0.5 to 0.7 g/t gold cut-off) material mined from the Pine Cove open pit from 2014 to 2019 when mining ceased at the Pine Cove Mine. The 2021 Pine Cove Stockpile are used to store lower grade material that was considered marginally economic at the time it was mined. The material has been periodically milled since the 2020 to supplement throughput of higher-grade ore to the mill.

Pine Cove Mine
The Pine Cove Mine is an open pit mine consisting of traditional drill and blast operations followed by and transport of ore by haul trucks to the crusher run-of-mine pad and transport of waste to the waste rock piles. On average, between 8,000 and 10,000 tonnes per day (“tpd”) of waste and ore is mined.

The mine is being developed as a 350 m wide open pit that will have a maximum depth of 154 m by end of the mine life.

The main access ramps are designed at a 10% gradient to accommodate rear wheel drive haulage trucks. The 15 m wide ramps are designed to facilitate two-way truck traffic at all points. Final pit bottom access ramps are designed at a gradient of –10% and a width of 10 m to accommodate one-way traffic between the 4,940 m elevation ........


Crushing and Grinding
Flow Sheet: Source

Ore is fed to the crushing plant via front end loader, where it first enters a jaw crusher. After crushing, a conveyor takes the ore to a screen deck, where the fine material is separated. Oversize ore is recirculated through a cone crusher until it reaches the desired top size of 3/8 inches.

Ore from the crushed stockpile is then fed to the primary ball mill via conveyor belt, and typically averages 1.0 to 2.0 g/t gold. The ball mill is charged with 2 inch and 3 inch balls, and grinds material to a K80 of 150 micron. Material from the ball mill is pumped through a cyclone, where liberated material is fed into the flotation circuit via an overflow. Any coarse material is returned to the ball mill.


Processing

Flow Sheet: Subscription required

Summary:

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Combined production numbers are reported under Point Rousse Operation

Operational Metrics:

Metrics20192018201720162015
Total tonnes mined 1,658,758 t2,629,332 t2,737,403 t2,083,844 t
Ore tonnes mined 259,202 t432,081 t370,561 t321,532 t
Waste 1,399,549 t2,197,251 t2,366,842 t1,762,312 t
Stripping / waste ratio 5.4 5.09 6.4 5.5
Daily mining rate 9,000 t9,000 t9,000 t

Reserves at September 1, 2021:
Mineral Resource Estimate 0.55 g/t gold cut-off grade.

CategoryOreTypeTonnage CommodityGradeContained Metal
Probable Stockpiles 147,855 t Gold 0.55 g/t 2,615 oz
Indicated Stockpiles 147,855 t Gold 0.55 g/t 2,615 oz

Commodity Production Costs:

CommodityUnits2015
Cash costs (sold) Gold CAD 1,100 / oz  
All-in sustaining costs (sold) Gold CAD 1,449 / oz  

Operating Costs:

Units2019201820172016
OP mining costs ($/t mined) CAD 3.774.974.413.87



Heavy Mobile Equipment as of August 4, 2020:
HME TypeModelSizeQuantityLeased or
Contractor
Dozer (crawler) ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Grader ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required Leased
Truck (fuel / lube) ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required 40 t ....................... Subscription required Leased
Truck (water) ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 9, 2022
....................... Subscription required ....................... Subscription required Subscription required Mar 9, 2022
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Information Form 2018
Management Discussion & Analysis 2018
Annual Information Form 2017
Annual Information Form 2017
Corporate Presentation 2017
Technical Report 2017
Annual Information Form 2016
Management Discussion & Analysis 2016
Technical Report 2015
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