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Minesites Directory

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Page 15 of 30 (705 total)
Aranzazu Mine

Zacatecas, Mexico · Underground

Operating
CopperGoldSilverMolybdenum
Opened
2018-01-01
End year
2034
Workforce
739 employees in 2024.
Production
In 2024, the mine produced 97,558 gold equivalent ounces. For the full year 2024, the mine produced 77,600 tonnes of concentrate from 1,229,000 tonnes of milled feed with average grades of 1.5% copper, 0.83 g/t gold, and 22 g/t silver. In 2025, total production was 83,149 gold equivalent ounces, which included 26,700 ounces of gold, 542,046 ounces of silver, 36,583,000 pounds of copper, and 249,000 pounds of molybdenum.
Processing
The processing plant has a capacity of 3,350 tonnes per day. The process is conventional, involving crushing, grinding, flotation, and filtration to produce a copper concentrate with a final grade of 23% Cu. In 2024, a molybdenum recovery circuit was added to the plant to extract molybdenum as a by-product from the concentrate.
Equipment
The mining method is a combination of longitudinal and transverse long-hole open stoping. The underground mine is accessed by two main ramps. Blasted ore is handled by remotely-operated load-haul-dump (LHD) units and transferred to haul trucks.
Expansion
Exploration in 2024 confirmed the extension of skarn mineralisation in the new Esperanza and BW-Connection zones. Proven and Probable Mineral Reserves increased by 1,342,000 tonnes (13%) compared to 2023. As of December 31, 2024, Measured Mineral Resources are estimated at 11.83 million tonnes at a grade of 1.28% Cu, 0.90 g/t Au, and 19 g/t Ag. Indicated Mineral Resources are estimated at 8.28 million tonnes at a grade of 1.03% Cu, 0.57 g/t Au, and 18 g/t Ag.
Companies & ownership
  • Aura Minerals Inc.
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West Tundra Flats

Alaska, United States · Underground

Under Development
ZincSilverLeadGoldCopperAntimony
Overview
West Tundra Flats is a high-grade polymetallic volcanogenic massive sulphide (VMS) deposit, part of the larger Red Mountain Project, located in the Bonnifield Mining District in central Alaska, United States. The project was acquired from White Rock Minerals Limited by Silver47 Exploration Corp. around November 2024.
Processing
Historical metallurgical test work indicated amenability to traditional flotation; ongoing metallurgical studies.
Expansion
Drilling program commenced in northern summer 2025 to expand the existing resource, with a core drilling rig operational on site. This program included seven holes at West Tundra Flats, which intersected massive, semi-massive, and disseminated sulphides. The deposit remains open to expansion.
Companies & ownership
  • White Rock Minerals Limited
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Red Mountain Project

Alaska, United States · Underground

Under Development
ZincSilverLeadGoldCopper
Workforce
24-man field camp during exploration activities in 2019
Overview
The Red Mountain Project is a silver-rich zinc volcanogenic massive sulphide (VMS) project located in central Alaska, USA. The project is situated in the Bonnifield Mining District, approximately 100 kilometres south of Fairbanks. The commodities at the project include zinc, silver, lead, gold, and copper. The project is at an advanced exploration stage.
Production
global Inferred Mineral Resource for the Red Mountain project was 21.3 million tonnes at 8.5% zinc equivalent, containing 822,000 tonnes of zinc, 334,000 tonnes of lead, 60.9 million ounces of silver, and 442,000 ounces of gold
Processing
preliminary metallurgical test work has shown good recoveries of over 90% for zinc, over 75% for lead, over 80% for gold, over 70% for silver, and over 70% for copper
Equipment
diamond drilling, SkyTEM airborne electromagnetics survey
Companies & ownership
  • White Rock Minerals Limited
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Mt Carrington Project

New South Wales, Australia · Open Pit

Closed
GoldSilverZincCopper
Overview
The project contains several epithermal gold and silver deposits with volcanogenic epithermal Au-Ag-Cu-Pb-Zn mineralisation. It has a resource of 1.2 million ounces of gold-equivalent, including 352,000 ounces of gold and 23.2 million ounces of silver.
Companies & ownership
  • White Rock Minerals Limited
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Kainantu Gold Mine

Eastern Highlands province, Papua New Guinea · Underground

Operating
GoldCopperSilver
End year
2034
Workforce
Over 90% of employees and contractors are from Papua New Guinea.
Production
For the year ended December 31, 2025, the Kainantu Gold Mine produced 174,134 ounces of gold equivalent, which comprised 164,484 ounces of gold, 5,942,203 pounds of copper, and 159,309 ounces of silver. The production guidance for 2026 is between 190,000 and 225,000 ounces of gold equivalent.
Processing
The mine utilises a new 1.2 million tonnes-per-annum Stage 3 Expansion Process Plant which achieved its first production in October 2025. This plant produces a gold-copper-silver concentrate. For the year ended December 31, 2025, the mine processed 557,156 tonnes of ore with metallurgical recoveries of 94.7% for gold and 94.5% for copper.
Equipment
The mining fleet is fully mechanised and includes twin- and single-boom jumbos, 1300-1700 class LHDs, and 20-45 tonne trucks. The operation also uses surface trucks with 60-tonne payloads.
Expansion
The mine is undergoing significant expansion. The Stage 2A expansion was completed in May 2023, increasing throughput capacity. The Stage 3 expansion, featuring a new 1.2 million tonnes per annum process plant, was completed and commissioned in late 2025. A Stage 4 expansion is planned for commissioning in the second half of 2027, which is expected to increase throughput to 1.8 million tonnes per annum. The Stage 4 expansion is projected to result in annual production of over 400,000 ounces of gold equivalent.
Companies & ownership
  • K92 Mining Inc.
    TSX:KNT
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Los Azules project

San Juan, Argentina · Open Pit

Under Development
CopperSilverGold
Mine life
21 years
Production
The October 2025 Feasibility Study projects an average annual production of 148,200 tonnes of copper cathode over the life of the mine. For the first five years, production is expected to average 204,800 tonnes per year.
Processing
The project will use heap leaching and a solvent extraction and electrowinning (SX/EW) facility to produce high-purity copper cathodes on site.
Expansion
The project received its Environmental Impact Assessment (EIA) approval for construction and operation in December 2024. In September 2025, the project was admitted to Argentina's Large Investment Incentive Regime (RIGI), providing 30 years of fiscal and legal stability. Construction is targeted to begin in 2027, with first copper production anticipated in 2029 or 2030. The initial capital expenditure is estimated at $3.17 billion. McEwen Copper is planning an Initial Public Offering (IPO) towards the end of 2026 to raise approximately $300 million as part of a larger $4 billion financing package for the project. The operation will be powered by 100% renewable energy. There is potential to extend the mine life by more than 30 years by processing primary sulfide ores with Nuton's technology or a conventional concentrator.
Companies & ownership
  • McEwen Mining Inc.
    TSX:MUX · NYSE:MUX
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Imiter-bis

Drâa-Tafilalet, Morocco · Underground

Under Development
GoldSilverCopperLeadZinc
Overview
The Imiter-bis project, formerly known as the 233263 Permit, is an exploration property situated on Morocco's sub-Atlas range, five kilometres south of the Imiter Silver Mine.
Equipment
diamond drills
Companies & ownership
  • Aya Gold & Silver Inc.
    TSX:AYA
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Texas Lehigh Cement Company LP

Texas, United States · Processing Facility

Operating
CopperGoldSilverIron OreCoalDiamonds+39
Opened
1978-01-01
Workforce
51 to 200 employees
Overview
The original plant, located in Buda, Texas, began construction in December 1976 and was completed in June 1978.
Production
The Buda plant has an annual rated capacity of 1,300,000 short tons. A 2018 permit application for a new kiln proposed a clinker production rate of 1,314,000 short tons per year.
Processing
dry-process 4-stage preheater/pre-calciner kiln
Companies & ownership
  • Eagle Materials Inc.
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Azegour

Marrakech-Safi, Morocco · Underground

Historic Mine
MolybdenumTungstenCopper
Overview
The Azegour property consists of a historic molybdenum-tungsten-copper mine, now held as an exploration and evaluation asset. The property is located in the High Atlas Mountains, approximately 80 kilometres south-southwest of Marrakech. It comprises one mining permit and two exploration permits.
Expansion
In June 2021, Aya Gold & Silver announced it had been granted two new exploration permits in the Azegour area, covering a total of 29 square kilometres. These permits are located adjacent to the Azegour granite intrusion and host historical copper, lead, and zinc occurrences. The company stated at the time that exploration on the new permits was scheduled to begin in the subsequent months.
Companies & ownership
  • Aya Gold & Silver Inc.
    TSX:AYA
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North Telfer (Minyari Dome)

Western Australia, Australia · Open Pit

Under Development
GoldCopperSilver
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Heruga

Ömnögovi, Mongolia · Underground

Under Development
CopperGoldMolybdenumSilver
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Oyu Tolgoi (Hugo North Extension)

Ömnögovi, Mongolia · Underground

Operating
CopperGoldSilver
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Platreef

Limpopo, South Africa · Underground

Under Development
PlatinumPalladiumRhodiumGoldNickelCopper
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Antamina

Ancash, Peru · Open Pit

Operating
CopperZincMolybdenumSilverLead
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Sossego

Pará, Brazil · Open Pit

Operating
CopperGold
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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MARA

Catamarca, Argentina · Open Pit

Under Development
CopperGoldMolybdenumSilver
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Troilus

Quebec, Canada · Open Pit

Under Development
GoldCopperSilver
Companies & ownership
  • Sandstorm Gold Royalties
    TSX:SSL
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Hackett River Project

Nunavut, Canada · Open Pit

Feasibility
ZincSilverLeadCopperGold
Mine life
14 years
Workforce
225 to 350 people
Overview
The Hackett River project is a silver-rich volcanogenic massive sulphide (VMS) deposit situated within the Slave Structural Province. The primary commodities identified are zinc, silver, lead, and copper, with gold also present. Glencore considers Hackett River a key asset and a world-class zinc deposit.
Processing
conventional crushing and grinding flotation circuit to produce zinc, copper, and lead concentrates, with an emphasis on optimising silver recovery.
Equipment
mineral processing plant
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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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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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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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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White Pine-Copperwood

Michigan, United States · Underground

Under Development
CopperSilver
Companies & ownership
  • Osisko Gold Royalties Ltd.
    TSX:OR · NYSE:OR
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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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Page 15 of 30 (705 total)