Mining Intelligence and News
Canada

Pine Cove Mine

Click for more information

Categories

Overview

Mine TypeStockpile
StatusClosing / Closed
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start... Lock
SnapshotThe Point Rousse Operation contains three deposits Pine Cove, Stog’er Tight and Argyle.

Commercial production began at the Pine Cove Mine on September 1, 2010. Mining at the Pine Cove Mine concluded in October of 2020. The 2021 Pine Cove Stockpile Mineral Resource was depleted in 2022.

The Pine Cove Mine serves as a fully permitted tailings storage facility which includes long-term storage of potentially acid generating rock.
Related AssetPoint Rousse Operation

Owners

SourceSource
CompanyInterestOwnership
Maritime Resources Corp. 100 % Indirect
On August 21, 2023, Maritime Resources Corp. announced the closing of its previously announced acquisition of all of the outstanding shares of Point Rousse Mining Inc. from Signal Gold Inc.

Maritime acquired 100% of the common shares of Point Rousse Mining Inc., a wholly owned subsidiary of Signal Gold, which holds all related mineral licenses, fixed assets and equipment, liabilities, rights and obligations related to Point Rousse, including the fully permitted Pine Cove mill and in-pit tailings facility.

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 boundariesin 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 formation; part of the Snooks Arm Group. In the immediate mine area the rocks can be informally divided into five distinct units that dip gently to the north.

Mineralization is associated with a broad alteration envelope characterized by broad zones of very finegrained calcite and chlorite. Proximal to mineralization fine wispy orange-brown leucoxene is common in intrusive rocks and is either chaotically oriented or rotated and flattened parallel to the foliation. Where alteration is most intense, and gold mineralization occurs, iron-carbonate is pervasive, variably developed, brecciated, quartz-veins and quartz-carbonate veins are observed as well as albite. Pyrite is part of the alteration assemblage and intimately associated with gold mineralization.

Pyrite occurs marginal to the quartz veins, disseminated within wall rock fragments incorporated in the veins, and as minor disseminated pyrite within the quartz veins. The gold concentrations are directly related to pyrite content. The gold occurs as small disseminated grains (ranging from 1 to 50 microns) within pyrite, quartz veins and as thin stringers.

Reserves

Lock

- subscription is required.

Mining Methods

Lock

- subscription is required.

Comminution

Crushers and Mills

Milling equipment has not been reported.

Processing

Lock

- subscription is required.

Production

Combined production numbers are reported under Point Rousse Operation

Operational metrics

Metrics20192018201720162015
Daily mining rate 9,000 t9,000 t9,000 t
Stripping / waste ratio 5.4 5.09 6.4 5.5
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
Total tonnes mined 1,658,758 t2,629,332 t2,737,403 t2,083,844 t

Production Costs

Commodity production costs have not been reported.

Operating Costs

2019201820172016
OP mining costs ($/t mined) 3.77  4.97  4.41  3.87  

Heavy Mobile Equipment

Lock

- subscription is required.

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 27, 2023

Aerial view:

Lock

- subscription is required.