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Minesites Directory

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Page 61 of 147 (3508 total)
Froome

Ontario, Canada · Underground

Operating
Gold
Opened
2021-01-01
Production
24,300 gold equivalent ounces in 2021; 36,700 ounces in 2022; 44,400 ounces in 2023; 30,200 ounces in 2024; 33,200 ounces in 2025; 39,000 to 43,000 ounces (forecast) in 2026
Processing
Mined material is trucked to the surface and then hauled 28 kilometres by road to the FoxCentral - Stock mill. The ore is fed into the mill's crushing circuit via a conveyor system.
Expansion
Ramp development at the Froome underground mine began in 2020, with initial stope production in early 2021. Recent exploration success at the Froome West zone is a key focus for extending the mine's operational life. As of December 2025, four drills were active at Froome West, and underground access had been established on four levels in the upper portion, where mining has commenced. An updated resource estimate for Froome West was planned for the end of February 2026. Continued success could allow for concurrent mining at Froome and the nearby Stock mine, which is expected to commence production in the second half of 2026.
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Black Fox Mine

Ontario, Canada · Underground

Closed
Gold
Opened
2009-01-01
End year
2021
Overview
The Black Fox Mine is located in the Timmins gold mining region of Ontario, Canada. It is a component of the Black Fox Property, which also includes the Froome Mine and the Tamarack and Grey Fox deposits. Underground mining at the Black Fox Mine continued until 2021.
Production
950,000 ounces of gold up to the end of 2021
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Barry

Quebec, Canada · Open Pit

Under Development
Gold
Opened
2008-01-01
Overview
The Barry deposit is an advanced exploration and development project with an existing underground exploration ramp and a valid mining lease permitting extraction by both open pit and underground methods. A Mineral Resource Estimate effective February 2026 reported significant Measured & Indicated and Inferred Mineral Resources for both open pit and underground components.
Production
Approximately 44,000 ounces of gold were produced between 2008 and 2010.
Expansion
An 8,000-metre deep-drilling campaign was announced for January 2026 as part of the Phoenix JV.
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Ajax Project

British Columbia, Canada · Open Pit

Under Development
CopperGoldSilver
Mine life
18 years
Overview
The project is in the planning and analysis phase, though environmental assessment certificates were refused by both British Columbia and Canadian federal governments in 2017 and 2018 respectively. KGHM continues to engage with First Nations.
Production
A 2016 feasibility study update projected an average annual production of 58,000 tonnes of copper and 125,000 ounces of gold in concentrate.
Processing
The plan includes an ore enrichment plant that will use flotation to produce concentrate. A 2016 feasibility study proposed a processing facility with a throughput of 65,000 tonnes per day.
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Carnegie Potash Project

Western Australia, Australia · Solution

Closed
Potassium
Overview
The Carnegie Potash Project was an early-stage exploration project located approximately 220 kilometres east-north-east of Wiluna in Western Australia. The project was considered prospective for a large sub-surface brine deposit that could be developed into a solar evaporation and processing operation to produce sulphate of potash. A significant change in the project's viability occurred on 5 May 2023, when the Western Australian Government announced the creation of a new nature reserve at Lake Carnegie, which overlapped a large portion of the exploration licence applications. As a result, the joint venture partners decided to relinquish their interests.
Companies & ownership
  • BCI Minerals Limited
    ASX:BCI
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Mardie Salt & Potash Project

Western Australia, Australia · Processing Facility

Under Development
SaltPotassium
Mine life
60 years
Workforce
750 jobs during construction, 140 permanent full-time positions during operations
Overview
The Mardie Salt & Potash Project, wholly owned by BCI Minerals, is a large-scale, greenfield solar evaporation operation located on the Pilbara coast of Western Australia, approximately 80 kilometres south-west of Karratha. It is designed to produce high-purity salt and Sulphate of Potash (SOP).
Production
5.35 million tonnes per annum (Mtpa) of high-purity salt (>99.5% NaCl) and 140,000 tonnes per annum (ktpa) of Sulphate of Potash (SOP)
Processing
solar evaporation operation, seawater pumped into a series of nine evaporation ponds and crystallisers covering a 100 km2 area, first in Australia to produce SOP by recycling bitterns
Equipment
main seawater pump station, a 400-bed accommodation village, a salt wash plant, two process plants, a 2.4-kilometre jetty at the Cape Preston West Port
Expansion
salt-first phase construction 74% complete, with operations having commenced in September 2024 with the filling of initial evaporation ponds. First salt shipments anticipated in H2 2026 (Q2 FY27).
Companies & ownership
  • BCI Minerals Limited
    ASX:BCI
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White Pine North

Michigan, United States · Underground

Under Development
CopperSilver
Mine life
21.8 years
Workforce
approximately 545 workers
Overview
The White Pine North project is an extension of the historical White Pine mine (1953-1995). A Preliminary Economic Assessment (PEA) was completed in July 2023, and the project is now advancing through permitting, infill drilling, and a feasibility study, with a winter drilling program completed in April 2024.
Production
Average annual life-of-mine payable production is estimated at 93.5 million pounds of copper and 1.2 million ounces of silver.
Processing
Planned mining method is room-and-pillar. The PEA projects a processing rate of 15,000 metric tonnes per day.
Expansion
The project is an extension of the historical White Pine mine which operated from 1953 to 1995.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Wharekirauponga Underground Mine

Waikato, New Zealand · Underground

Under Development
GoldSilver
End year
2043
Mine life
18 years
Workforce
The wider Waihi North Project, which includes the Wharekirauponga mine, is expected to support around 800 jobs over its 18-year life.
Overview
The New Zealand Government has granted approval for OceanaGold to construct and operate the Wharekirauponga Underground Mine, which is a key component of the Waihi North Project.
Production
An initial mineral reserve of 1.2 million ounces of gold has been declared for the Wharekirauponga underground mine. Over its 18-year life, the project is expected to produce an additional $5.2 billion in silver and gold exports.
Processing
The project includes the expansion of the existing processing and water treatment facilities at the Waihi operation, as well as the construction of a new tailings storage facility to support the Wharekirauponga mine. Ore will be transported from the underground mine to the processing plant via a 4.8 km tunnel.
Expansion
Early works, including the construction of a services trench and expansion of the water treatment plant, began in the third quarter of 2025. A mining contractor, Develop Global Limited, has been awarded a five-year contract to establish access tunnels, with mobilisation and tunnelling activities expected to start in the first half of 2026. The project approval also allows for a doubling of the number of permitted exploration drill rigs to six to accelerate resource definition and conversion drilling from 2026.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Hermosa Project (incorporating the Taylor and Clark deposits)

Arizona, United States · Underground

Under Development
ZincLeadSilverManganeseCopper
Mine life
70 years
Workforce
The project currently employs over 150 people and supports hundreds more through contractors. Once fully operational, it is expected to support up to 900 direct jobs.
Overview
The Hermosa Project, incorporating the Taylor and Clark deposits, is under development. It is the first mining project to be included in the US Government's FAST-41 process to streamline permitting.
Production
First production from the Taylor deposit is expected in the second half of fiscal year 2027, with nameplate production anticipated in fiscal year 2030. Projected average annual production is 132,000 tonnes of zinc, 163,000 tonnes of lead, and 8.4 million ounces of silver.
Processing
The development plan for the Taylor deposit includes a conventional processing plant with a nameplate capacity of up to 4.3 million tonnes per annum. The process will utilise dry-stack tailings, with about half being returned underground as paste backfill.
Equipment
The mine design includes the planned use of a battery-electric underground vehicle fleet.
Expansion
A final investment decision to develop the Taylor deposit was announced in February 2024. The project includes the Clark battery-grade manganese deposit and other exploration prospects for polymetallic and copper mineralisation.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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San Antonio Gold Project

Sonora, Mexico · Open Pit

Care And Maintenance
GoldSilver
Overview
The San Antonio Gold Project is a brownfield, past-producing asset that was operated as an oxide copper mine from 2011 to 2018. After acquiring the project in 2020, Osisko Development focused on its gold potential, processing existing stockpiles and producing 13,591 ounces of gold between the first quarter of 2022 and the third quarter of 2023. The project was placed on care and maintenance in the third quarter of 2023.
Production
previous processing of stockpiles by Osisko Development resulted in the sale of 13,591 ounces of gold by September 2023.
Processing
existing infrastructure that includes a crusher and a carbon-in-column processing plant. From the first quarter of 2022 to the third quarter of 2023, previous operations processed stockpile material using cyanide heap leaching.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Island Gold District

Ontario, Canada · Underground

Operating
Gold
Mine life
20 years
Workforce
As of September 2023, the operation employed over 1,000 people (520 full-time, 560 contractors). In 2022, it sustained over 600 jobs annually, expected to double to 1,200 during expansion construction.
Overview
The Island Gold District comprises the Island Gold underground mine and the adjacent Magino open-pit mine in Ontario, Canada. It is undergoing a significant multi-phase expansion to increase production and extend mine life.
Production
For 2025, the district produced 250,400 ounces of gold. 2026 guidance is 290,000-330,000 ounces. Post-2028 expansion, annual production is expected to average 534,000 ounces over the first 10 years.
Processing
Currently, ore from the Island Gold underground mine is processed at the 1,200 tpd Kremzar mill, with some at the Magino mill. The Kremzar mill is expected to be decommissioned in 2025. All ore from both mines will then be processed through an expanded and centralized Magino mill, which is being expanded to 20,000 tpd with a new parallel circuit.
Equipment
The Island Gold underground operation is accessed via a ramp system. A new shaft is being installed to an initial depth of 1,379 metres, designed for an ultimate depth of 2,000 metres. A new paste plant for backfill is also included in the expansion.
Expansion
The mine is undergoing a significant, multi-phase expansion, including the Phase 3+ Expansion to be completed in late 2026, doubling underground throughput to 2,400 tpd. A larger district expansion to 20,000 tpd is expected by 2028, increasing underground mining rates to 3,000 tpd and open-pit processing to 17,000 tpd. The adjacent Magino mine was acquired in July 2024 and is being integrated to form the Island Gold District, utilizing Magino's larger mill and tailings facility. A February 2026 study outlines a US$542 million investment for milling capacity upgrades.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Kongorong Quarry

South Australia, Australia · Quarry

Operating
Overview
Agricola Mining Pty Ltd operates a limestone quarry in the Kongorong region of South Australia, approximately 20 kilometres south-west of Mount Gambier. The quarry produces limestone suitable for agricultural use in treating acidic soils, noted for its high neutralising value.
Companies & ownership
  • Agricola Mining Pty Ltd
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WKP

Waikato, New Zealand · Underground

Under Development
GoldSilver
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Oracle Ridge

Arizona, United States · Underground

Under Development
CopperSilverGold
Overview
The mine is not currently in production. Eagle Mountain Mining is focused on exploration and technical studies to support a potential restart of mining operations.
Production
The mine is not currently in production. Eagle Mountain Mining is focused on exploration and technical studies to support a potential restart of mining operations.
Processing
Technical evaluations are underway to assess various mining and processing scenarios. These include the potential for a smaller, high-grade operation using selective mining or a larger-scale operation. Metallurgical test work is being conducted to evaluate different processing flow sheets, which may include ore sorting, leaching, or pressure oxidation of concentrate combined with solvent extraction and electrowinning (SX/EW) to produce copper metal onsite.
Equipment
The project has existing infrastructure which includes 18 kilometres of underground development.
Expansion
Eagle Mountain Mining has a non-binding agreement with Nittetsu Mining Co., Ltd. for a potential joint venture where Nittetsu may earn an 80% interest by contributing to project expenditures. Binding agreements for this joint venture are anticipated by April 2026, subject to board approval.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Lorraine/Dorothy/Jayjay

Québec, Canada · Underground

Under Development
Gold
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Corcoesto

Galicia, Spain · Open Pit

Closed
Gold
Mine life
9.9 years
Overview
The Corcoesto gold project's development was halted when the regional government of Galicia denied its permit. This decision was subsequently upheld by both the Galician Superior Tribunal of Justice and Spain's Supreme Tribunal, citing the project's lack of financial and technical solvency. An attempt by the project's developer, Edgewater Exploration, to seek compensation from Spain through international arbitration was dismissed by a United Nations Commission on International Trade Law (UNCITRAL) tribunal in 2020. The project had faced significant local opposition. There is no indication of any current efforts to restart the project.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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74 Clearwater

Québec, Canada · Underground

Under Development
Gold
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Windfall

Québec, Canada · Underground

Under Development
GoldSilver
Mine life
10 years
Workforce
As of December 2023, the Windfall project employed around 370 people, of which 230 were contractors. During the construction phase, it is expected that over 1,000 direct and indirect jobs will be created, with more than 670 direct permanent jobs during operation.
Production
The average annual production over the life of the mine is expected to be 306,000 ounces of gold. Peak production is estimated at 374,000 ounces of gold in the second year of operation.
Processing
The processing plant will have a nominal capacity of 3,400 tonnes per day. The grinding circuit will be a semi-autogenous ball mill crusher (SABC) configuration. The process includes a gravity circuit to recover free gold, followed by intensive leaching. The cyclone overflow will be treated in a leaching and carbon-in-pulp (CIP) circuit, with gold and silver recovered through an adsorption-desorption process. The average recovery is expected to be 93%. The site is powered by hydroelectricity.
Equipment
The underground mine will be accessed by a dual ramp system. The mining method will be Longitudinal Longhole Stoping. Equipment will include haul trucks (50-60 tonnes capacity), scooptrams (6-10 m³ capacity), and hydraulic jumbo drills. An order has been placed with FLSmidth for a 7.3-metre diameter semi-autogenous grinding (SAG) mill and a 5.2-metre diameter ball mill.
Expansion
Gold Fields Limited completed the acquisition of Osisko Mining Inc. in October 2024, consolidating 100% ownership of the Windfall project. The project is now operated by Gold Fields' subsidiary, Windfall Mining Group Inc. The estimated capital expenditure for the project has been revised to a range of C$1.7-C$1.9 billion. Construction is slated to begin in the second quarter of 2025, with the first gold production expected in late 2026 or early 2027. An Environmental Impact Assessment (EIA) study was submitted in the first quarter of 2023.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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White Pine-Copperwood

Michigan, United States · Underground

Under Development
CopperSilver
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
View on map
Wharekirauponga Project

Waikato, New Zealand · Underground

Under Development
GoldSilver
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
View on map
West Kenya Project

Kakamega County, Siaya County, Vihiga County, Kenya · Underground

Under Development
GoldSilverCopperZincLead
Mine life
9 years
Overview
A combination of open-pit and underground operations is planned. The Ramula-Mwibona deposit will be an open-pit operation, while the Isulu-Bushiangala deposits will be developed as underground mines. A feasibility study was completed in 2025, and the project financing process has commenced.
Production
The project is not yet in production. The 2020 scoping study projected average annual gold production of 105,000 ounces. The Isulu-Bushiangala underground operation is expected to yield approximately 1.27 million ounces of gold over its lifespan.
Processing
Ore from the deposits will be treated through a conventional carbon-in-leach (CIL) processing plant with a planned throughput capacity of 915,000 tonnes per annum.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Vezza

Nord-du-Québec, Canada · Underground

Closed
Gold
Processing
In 2013, Maudore Minerals was conducting trial mining and trucking ore to its processing facility at the former Sleeping Giant Mine, 75 km south of Vezza.
Equipment
The underground operation utilised semi-mechanised narrow-vein longhole mining methods. This included the use of jacklegs, stopers, slushers, and muckers.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Upper Beaver/AK

Ontario, Canada · Underground

Under Development
GoldCopper
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Tonkin Springs

Nevada, United States · Open Pit

Under Development
Gold
Overview
The Tonkin Springs project is part of McEwen Mining's larger Gold Bar Mine Complex, located in Eureka County, Nevada. McEwen Mining is actively exploring the Gold Bar Mine Complex with the aim of extending the mine life and potentially increasing annual gold production. The Tonkin project, which was acquired in 2005, is now integrated into this complex.
Processing
heap leach
Expansion
exploration activities are planned for the northern section of the Gold Bar Mine Complex, referred to as North Tonkin.
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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Page 61 of 147 (3508 total)