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Minesites Directory

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Page 36 of 59 (1395 total)
Tottenham Copper-Gold Project

New South Wales, Australia · Open Pit

Feasibility
CopperGold
Overview
The Tottenham Copper-Gold Project is an exploration-stage project located in the Lachlan Fold Belt of New South Wales, Australia. Mincor Resources defined it as a copper and gold project and spent over $6 million on exploration activities, leading to mineral resource estimates. It was considered a non-core asset for Mincor.
Processing
heap leaching and solvent extraction/electrowinning
Expansion
In 2017, Mincor entered into an earn-in and joint venture agreement with Bacchus Resources Pty Ltd. In April 2021, Mincor Resources sold its interest in the project to Locksley Resources Limited.
Companies & ownership
  • Mincor Resources NL
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San Antonio Project

Baja California Sur, Mexico · Open Pit

Feasibility
GoldSilver
Processing
heap leach
Companies & ownership
  • Argonaut Gold Inc.
    TSX:AR
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Cerro del Gallo Project

Guanajuato, Mexico · Open Pit

Under Development
GoldSilverCopper
Mine life
15.3 years
Workforce
around 400 direct jobs during its operational life
Overview
The Cerro del Gallo Project is an advanced development stage gold and silver project located in the state of Guanajuato, Mexico.
Production
earlier 2019 PFS by Argonaut Gold projected an annual production of 60,000 to 70,000 ounces of gold and 1.2 million ounces of silver.
Processing
heap leaching circuit, three-stage crushing plant, a heap leach pad, waste dump, solution ponds, a Sulphidization, Acidification, Recycling, and Thickening (SART) plant, and an Adsorption, Desorption, and Recovery (ADR) plant. The SART plant is designed to recover copper and silver from the solution, which also allows for the recycling of cyanide.
Equipment
fleet of 91-tonne haul trucks and 13 cubic metre front-end loaders
Companies & ownership
  • Argonaut Gold Inc.
    TSX:AR
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El Castillo Mine

Durango, Mexico · Open Pit

Closed
Gold
Opened
2008-01-01
End year
2022
Mine life
14 years
Workforce
over 400 people as of August 2022
Overview
The mine is part of the El Castillo Complex, which also includes the nearby San Agustin mine. Argonaut Gold holds 100% ownership of the mine through its subsidiary, Minera Real del Oro, S.A. de C.V.
Production
46,182 gold equivalent ounces in 2020; 8,554 gold ounces in Q3 2022; 14,758 equivalent ounces of gold in Q2 2019
Processing
crushing facility, cyanide heap-leach pad, carbon gold recovery plant
Equipment
crushing facility, cyanide heap-leach pad, carbon gold recovery plant, waste dump, truck shop, warehouse, laboratory facilities
Companies & ownership
  • Argonaut Gold Inc.
    TSX:AR
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San Agustin Mine

Durango, Mexico · Open Pit

Operating
GoldSilver
End year
2027
Mine life
1.2 years
Workforce
largest local employer
Overview
The San Agustin Mine is situated in the northern San Lucas de Ocampo Mining District, approximately 100 kilometres from the city of Durango. The mine is owned and operated by Minera Real del Oro, S.A. de C.V., a subsidiary of Argonaut Gold Inc. Argonaut Gold holds a 100% interest in the mining concessions. The mine, together with the El Castillo mine, forms the El Castillo Complex.
Production
total of approximately 384,000 ounces of gold and 1,900,000 ounces of silver between 2017 and March 2024. An updated technical report in May 2024 projected gold production of 89,000 ounces from April 2024 through 2026.
Processing
heap leaching
Equipment
two crushing plants with a combined capacity of 30,000 tonnes per day, conveyors, multi-lift leach pads, a carbon absorption circuit (CIC), and a Merrill-Crowe plant
Companies & ownership
  • Argonaut Gold Inc.
    TSX:AR
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Florida Canyon Mine

Nevada, United States · Open Pit

Operating
GoldSilver
Opened
1986-01-01
End year
2031
Mine life
7 years
Workforce
51 to 200 employees
Overview
The Florida Canyon Mine is an active open-pit gold mine in Pershing County, Nevada, United States, approximately 45 miles southwest of Winnemucca. It has been in continuous operation since mid-2016.
Production
For the full year of 2024, the Florida Canyon Mine produced a record 72,229 ounces of gold. A 2024 NI 43-101 technical report outlined an average annual production of approximately 70,000 gold equivalent ounces. The production guidance for 2026 is between 70,000 and 75,000 ounces of gold.
Processing
heap leaching, utilising two-stage crushing and run-of-mine (ROM) ore, Carbon-in-Column facility
Equipment
conventional truck and shovel/loader open-pit operation, excavator, loader, eight new haul trucks
Expansion
In 2024, a new Carbon-in-Column facility was constructed to ramp up solution flow.
Companies & ownership
  • Argonaut Gold Inc.
    TSX:AR
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Magino Mine

Ontario, Canada · Open Pit

Operating
GoldSilver
End year
2042
Mine life
19 years
Overview
The Magino Mine is an active open-pit gold and silver mine located in the Finan Township, Algoma District, approximately 40 kilometres north-east of Wawa, Ontario, Canada.
Production
In the third quarter of 2023, prior to achieving commercial production, the Magino mine produced 10,661 ounces of gold. For the three months ended March 31, 2024, the mine produced 16,870 gold ounces.
Processing
Primary crushing with a jaw crusher, a single-stage semi-autogenous grinding (SAG) mill, a gravity recovery circuit, cyanide leach, and a carbon-in-pulp adsorption circuit.
Equipment
15 haul trucks with a 139-tonne payload capacity, three diesel-powered hydraulic shovels, one excavator, and three front-end loaders. Specifically, the fleet includes Komatsu 145-tonne haul trucks, one Liebherr PR 776 dozer, and three Liebherr PR 766 dozers.
Expansion
Plans to expand the fleet to support increased mining rates, which will include an additional shovel, four drills, and eight haul trucks. Planned expansion of the Magino mill to 20,000 tonnes per day, which will include the construction of a parallel circuit.
Companies & ownership
  • Argonaut Gold Inc.
    TSX:AR
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Furnas Copper-Gold Project

Pará State, Brazil · Open Pit

Feasibility
CopperGoldSilver
Mine life
24 years
Overview
The Furnas Copper-Gold Project, located in the Carajás Mineral Province, Pará State, Brazil, is in the advanced exploration and engineering studies phase with a Preliminary Economic Assessment (PEA) completed. It proposes a combination of open pit and underground mining over 2,400 hectares.
Production
Projected production over the first 15 years: 70,000 tonnes copper, 111,000 ounces gold, 532,000 ounces silver per year. Full 24-year mine life: over 1.2 million tonnes copper, approximately 2 million ounces gold, and nine million ounces silver.
Processing
Centralized processing facility with a design capacity of 13.5 million tonnes per annum, utilising conventional flotation to produce a copper concentrate with gold and silver by-product credits.
Expansion
Earn-in agreement with Vale Base Metals (VBM) to earn 60% interest.
Companies & ownership
  • Ero Copper Corp.
    TSX:ERO
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Caraíba Operations

Bahia State, Brazil · Processing Facility

Operating
CopperGoldSilver
Opened
1979-01-01
End year
2042
Mine life
20 years
Workforce
approximately 3,181 direct and third-party employees
Overview
The Caraíba Operations is a fully integrated copper complex composed of a hub-and-spoke model with multiple mines feeding a central processing plant. It includes both underground (Pilar, Vermelhos) and open-pit (Surubim) mines.
Production
For the full year of 2025, the Caraíba Operations produced 36,035 tonnes of copper in concentrate. The production guidance for 2026 is projected to be between 35,000 and 40,000 tonnes of copper in concentrate.
Processing
Ore from the mines is treated at the Caraíba Mill, which is located next to the Pilar underground mine. The process involves conventional crushing and flotation to produce a high-grade copper concentrate. The mill has a throughput capacity of approximately 4.2 million tonnes per annum.
Expansion
construction of a new, external shaft for the Pilar mine, which is expected to be operational in 2027. This project is intended to increase total ore production from the Pilar mine from approximately 1.3 million tonnes per annum to roughly 3.0 million tonnes by 2026.
Companies & ownership
  • Ero Copper Corp.
    TSX:ERO
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Xavantina Operations

Mato Grosso, Brazil · Underground

Operating
GoldSilver
Opened
2012-01-01
End year
2028
Workforce
545 employees
Overview
Mining focused on high-grade, narrow quartz veins (Santo Antônio and Matinha). Transitioning to mechanized mining to improve productivity and safety.
Production
2023: 59,222 ounces of gold; 2025: 37,291 ounces of gold; 2026 Guidance: 40,000 to 50,000 ounces of gold.
Processing
conventional three-stage crushing circuit, milling, gravity concentration with intensive leaching, and flotation followed by a carbon-in-leach (CIL) circuit. Produces gold doré bars. Xavantina Mill has a design capacity of approximately 300,000 tonnes of ore per year.
Equipment
mechanized mobile equipment fleet
Expansion
initiated a program to process stockpiled gold concentrates in late 2024, with first shipments in October 2025
Companies & ownership
  • Ero Copper Corp.
    TSX:ERO
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Tucumã Operation

Pará State, Brazil · Open Pit

Operating
CopperGoldIron Ore
End year
2033
Mine life
12 years
Workforce
approximately 2,220 people (construction phase); over 90% of operational staff hired by June 2024
Overview
The Tucumã Operation, formerly known as the Boa Esperança Project, is an open-pit mine located in Pará State, Brazil, within the Carajás Mineral Province. The primary commodity is copper, and the deposit is an iron oxide copper gold (IOCG) type.
Production
mill designed to treat 4.0 million tonnes of ore annually. In 2024, 5,156 tonnes of copper in concentrate produced. In 2025, 28,272 tonnes of copper in concentrate produced. Production guidance for 2026 is between 32,500 and 37,500 tonnes of copper in concentrate.
Processing
conventional three-stage crushing circuit with primary, secondary, and tertiary crushers, a ball mill for comminution, and flotation to produce a high-grade copper concentrate
Equipment
backhoe configured excavator and 38-tonne conventional trucks
Companies & ownership
  • Ero Copper Corp.
    TSX:ERO
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Vermelhos underground mine

Bahia State, Brazil · Underground

Operating
CopperGold
Companies & ownership
  • Ero Copper Corp.
    TSX:ERO
View on map
Pilar underground mine

Bahia State, Brazil · Underground

Operating
CopperGold
Companies & ownership
  • Ero Copper Corp.
    TSX:ERO
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Red Canyon Quarry

Colorado, United States · Quarry

Operating
GoldSilverIron OreCoalDiamondsLithium+38
Overview
The Red Canyon Quarry produces a range of construction aggregates. Materials from the quarry are utilised as aggregate for asphalt and concrete, rip-rap, aggregate base, decorative rock, and baseball field infield mix.
Processing
drill and shoot
Expansion
Martin Marietta acquired the Red Canyon Quarry in February 2016 through the acquisition of Colorado Springs-based Rocky Mountain Materials & Asphalt and Rocky Mountain Premix.
Companies & ownership
  • Martin Marietta Materials, Inc.
    NYSE:MLM
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Santo Domingo Project

Atacama, Chile · Open Pit

Under Development
CopperIron OreGold
Mine life
19 years
Workforce
1,550 to 4,060 workers during construction; 1,055 employees once operational
Overview
The Santo Domingo Project is a fully-permitted copper-iron-gold project operated by Capstone Copper Corp. in the Atacama region, Chile. It will be developed as two open-pit mines, Santo Domingo and Iris Norte.
Production
Projected average annual production for the first seven years: 106,400 tonnes of copper and 3.7 million dry metric tonnes of iron concentrate. Life-of-mine average annual production: 68,100 tonnes of copper and 3.6 million dry metric tonnes of iron concentrate. Total life-of-mine copper production: 1.3 million tonnes.
Processing
Copper-iron concentrator with a designed maximum throughput of 72,000 tonnes per day, using Autogenous Grinding (AG) milling, conventional rougher cell flotation, regrinding, classification, Jameson Cells, and Low Intensity Magnetic Separation for magnetite recovery
Equipment
electric and hydraulic shovels, a wheel loader, and 290-tonne capacity haul trucks, supported by drilling rigs, tracked and wheel dozers, motor graders, and water trucks
Expansion
Agreement for Orion Resource Partners LP to acquire a 25% interest upon a positive final investment decision
Companies & ownership
  • Capstone Copper Corp.
    ASX:CSC · TSX:CS
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Mantoverde

Atacama Region, Chile · Open Pit

Operating
CopperGold
Opened
1995-01-01
End year
2049
Workforce
More than 1,000 jobs (MVDP)
Overview
Mantoverde is an operating open-pit copper-gold mine located in the province of Chañaral, Atacama Region, Chile. It is situated 56 kilometres southeast of the city of Chañaral and 100 kilometres north of Copiapó, at an altitude of approximately 900 metres above sea level. The operation consists of four open pits along the Mantoverde fault, mining both sulphide and oxide ores.
Production
SX-EW plant capacity of 60,000 tonnes per year of copper cathodes. Annual copper production was 95,115 tonnes in 2025. Sulphide concentrator nominal capacity of 32,000 tonnes per day (MVDP).
Processing
Oxide ore is treated through heap and dump run-of-mine leaching and a conventional solvent extraction-electrowinning (SX-EW) plant to produce high-purity copper cathodes. Sulphide ore is processed at a concentrator plant that produces copper concentrate with gold as a by-product. Processing infrastructure includes a primary gyratory crusher, a SAG mill, a ball mill, traditional and column flotation cells, thickeners, cyclones, and pumps. Supported by a state-of-the-art desalination plant.
Equipment
Komatsu 830E and Caterpillar 785 haul trucks; Caterpillar 994K front-end loaders, Komatsu 4100XPC electric cable shovels, and Komatsu PC5500 hydraulic shovels; Atlas Copco (Epiroc) DM50 and Caterpillar MD6310 drills
Expansion
Mantoverde Development Project (MVDP) completed in 2023, adding a sulphide concentrator with 32,000 tonnes per day capacity; Mantoverde Optimized (MV-O) project is a brownfield expansion to increase sulphide concentrator throughput to 45,000 tonnes per day
Companies & ownership
  • Capstone Copper Corp.
    ASX:CSC · TSX:CS
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Pinto Valley Mine

Arizona, United States · Open Pit

Operating
CopperMolybdenumGoldSilver
Opened
1975-01-01
End year
2039
Workforce
The mine supports approximately 2,250 direct and secondary jobs annually and is the second-largest employer in the Globe-Miami district. In 2021, it was stated that the mine life extension would preserve approximately 700 jobs. When Capstone acquired the mine in 2013, 98% of the 650 employees accepted employment offers.
Production
In the fourth quarter of 2025, the mine produced 11,423 tonnes of copper. The total copper production for 2025 was 42,382 tonnes. In 2024, the mine produced 126 million pounds of copper.
Processing
The mine uses conventional open-pit hard rock mining methods which include drilling, blasting, loading, and hauling. The ore is processed at a concentrator plant that uses a conventional porphyry copper concentrator flowsheet with primary, secondary, and tertiary crushing, followed by ball milling and flotation to produce copper and molybdenum concentrates. There is also a solvent extraction-electrowinning (SX-EW) plant for producing copper cathode from leach solutions. The concentrator has a capacity of 60,000 tonnes per day, and the SX-EW plant has a capacity of 25,000 tonnes per day.
Equipment
The mining fleet includes haul trucks and loaders. As of 2021, the fleet included 19 Caterpillar 789D haul trucks (185 dry tonnes capacity) and 4 Liebherr T264 trucks (215 dry tonnes capacity). Loading equipment included two Caterpillar 994K front-end loaders, two Caterpillar 994H loaders, and one Hitachi EX5600 hydraulic shovel. The processing plant consists of a primary crusher, secondary and tertiary crushers, six ball mills, and flotation circuits. Specifically, there is a Fuller Traylor gyratory primary crusher and six Allis-Chalmers overflow ball mills. In 1978, the plant was described as having four 7 ft standard and eight 7 ft shorthead crushers, and six 18 ft by 21 ft, 4000 hp single-stage ball mills.
Expansion
A district growth study is evaluating the potential to extend the mine life through 2050.
Companies & ownership
  • Capstone Copper Corp.
    ASX:CSC · TSX:CS
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Kopra Underground Mine

North Sulawesi, Indonesia · Underground

Operating
Gold
Companies & ownership
  • PT Archi Indonesia Tbk
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Toka Tindung Gold Mine

North Sulawesi, Indonesia · Open Pit

Operating
GoldSilver
Opened
2009-01-01
End year
2041
Mine life
30 years
Workforce
As of October 2021, the exploration drilling and feasibility work for the Bima-Arjuna deposits, part of the broader Toka Tindung operation, employed over 250 professional staff and local people.
Overview
The Toka Tindung Gold Mine is primarily an open-pit operation, with an underground mining component in development. The open pits include the active Toka, Araren, and Kopra pits, with the Alaskar, Talawaan, and Marawuwung pits in pre-production. An inaugural blast for underground mining at the Kopra pit occurred on 5 December 2024, marking the commencement of its underground development.
Production
2012: 134,000 ounces of gold (first full year of commercial production). 2018: 269,900 ounces of gold. 2019: 261,300 ounces of gold. 2020: 206,800 ounces of gold. 2023: 123,300 ounces of gold. 2024: 93,400 ounces of gold. Q1-Q3 2025: 90,000 ounces of gold. Total Production (2011-2020): Approximately 1.9 million ounces of gold.
Processing
Ore from the various pits is processed through a conventional Carbon-in-Leach (CIL) processing plant. The plant's flowsheet includes a single-stage gyratory crusher, a crushed ore stockpile, and a CIL circuit. The processing plant had an initial capacity of 1.7 million tonnes per annum in 2011. This was expanded to 3.6 million tonnes per annum by 2020, and further optimisation is ongoing to increase the capacity to 4.0 Mtpa.
Equipment
The mine utilises a large fleet for its operations. The main mining contractor, PT Geopersada Mulia Abadi (PT GMA), operates a fleet with the capacity to mine approximately 45 million tonnes of material per annum. To manage its extensive fleet, the mine has implemented the Hexagon OP Pro fleet management system to optimise haulage and the OAS system to monitor and reduce operator fatigue. This has resulted in a 28% increase in truck productivity and a 31% reduction in fuel consumption. The operation is supported by the Rundor Port, located six kilometres from the mine site, which is used for the importation of large equipment.
Expansion
Further optimisation is ongoing to increase the processing capacity to 4.0 Mtpa. There are plans to potentially expand the processing capacity to 8.0 million tonnes per year by the end of 2025.
Companies & ownership
  • PT Archi Indonesia Tbk
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Quartz Mountain

Oregon, United States · Open Pit

Feasibility
GoldSilver
Overview
The Quartz Mountain project is a late-stage exploration project located in Lake County, Oregon, in the United States. The primary commodity is gold, with silver also present. The project consists of 244 unpatented mineral claims.
Processing
heap leach
Companies & ownership
  • Alamos Gold Inc.
    TSX:AGI · NYSE:AGI
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Lynn Lake Gold Project

Manitoba, Canada · Open Pit

Under Development
GoldSilver
End year
2046
Mine life
17 years
Workforce
up to 406 jobs during the construction phase and 412 jobs during operations.
Overview
The Lynn Lake Gold Project is a redevelopment of two historical gold mines, consisting of two primary deposits, MacLellan and Gordon. It is designed as a conventional open-pit mining operation.
Production
average annual production of 176,000 ounces of gold over the initial 10-year mine life. The total mineralized material to be mined from the open pits at both the MacLellan and Gordon sites is estimated to be approximately 26.1 million tonnes. Combined gold recoveries are expected to average 93.7%.
Processing
conventional milling and leaching/carbon-in-pulp (CIP) operation with a capacity of 8,000 tonnes per day. The processing circuit will include crushing, grinding, thickening, pre-aeration and leaching, CIP, cyanide detoxification, carbon elution and regeneration, and gold smelting. A tailings management facility will be constructed approximately 2 kilometres northeast of the planned plant site at MacLellan. The operation will be supplied with low-cost hydroelectric power from Manitoba Hydro.
Companies & ownership
  • Alamos Gold Inc.
    TSX:AGI · NYSE:AGI
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Puerto Del Aire

Sonora, Mexico · Underground

Under Development
Gold
Opened
2027-01-01
End year
2035
Mine life
8 years
Workforce
Mining operations will be managed by a contractor.
Overview
Higher-grade underground gold deposit situated adjacent to the main Mulatos open pit. Alamos Gold announced a positive internal economic study in September 2024 and received approval for an amendment to its environmental impact assessment in January 2025.
Production
Projected average of 127,000 ounces of gold annually for the first four years and 104,000 ounces over the life of the mine. As of 31 December 2023, total mineral reserves of 5.4 million tonnes grading 5.61 grams per tonne of gold, containing 969,000 ounces of gold.
Processing
Flotation circuit to produce a concentrate, with off-site gold recovery, eliminating on-site cyanide use. Process flow sheet includes three-stage crushing, two parallel ball mills, two regrind mills, a flotation circuit, and dewatering.
Equipment
Existing crushing and mill infrastructure from other Alamos Gold operations, including one ball mill and two regrind mills from the Island Gold mill. Mining operations will be managed by a contractor.
Expansion
Construction activities expected to ramp up in mid-2025, with first production anticipated in mid-2027. Development of Puerto Del Aire is the second underground mining operation within the Mulatos District.
Companies & ownership
  • Alamos Gold Inc.
    TSX:AGI · NYSE:AGI
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PT Intam

West Nusa Tenggara, Indonesia · Open Pit

Operating
Gold
Companies & ownership
  • PT Petrindo Jaya Kreasi Tbk
    ASX:CUAN
View on map
Qiqavik Gold Project

Quebec, Canada · Open Pit

Feasibility
Gold
Companies & ownership
  • Alamos Gold Inc.
    TSX:AGI · NYSE:AGI
View on map
Page 36 of 59 (1395 total)