CONTACT US

Our Address

Science Avenue, High-tech Zone, Zhengzhou City, Henan Province, China

  • Coeur Mining: Rochester, Nevada

    The Rochester mine and associated heap leach facilities is an open pit silver and gold mine, located in Pershing County, Nevada, approximately 13 miles northeast of the city of Lovelock. The Company owns 100% of the Rochester mine through its wholly-owned subsidiary, Coeur Rochester, Inc..

  • Kensington, Alaska Corporate Directory
  • Heap leaching - Wikipedia

    OverviewProcessEnvironmental ConcernsSee alsoExternal links

    Heap leaching is an industrial mining process used to extract precious metals, copper, uranium, and other compounds from oreusing a series of chemical reactions that absorb specific minerals and re-separate them after their division from other earth materials. Similar to in situ mining, heap leach mining differs in that it places ore on a liner, then adds the chemicals via drip systems to the ore, whereas in situ mining lacks these liners and pulls pregnant solution up to obtain the minerals. Heap leaching is widely used i

  • Wikipedia CC-BY-SA 许可下的文字
  • Open-pit mining - Wikipedia

    OverviewTypical open cut gradesExtractionWastePollutantsHydrology in miningUntoppingRehabilitation

    Gold is generally extracted in open-pit mines at 1 to 5 ppm (parts per million) but in certain cases, 0.75 ppm gold is economical. This was achieved by bulk heap leaching at the Peak Hill mine in western New South Wales, near Dubbo, Australia. Nickel, generally as laterite, is extracted via open-pit down to 0.2%. Copper can be extracted at grades as low as 0.11% to 0.2%.

  • Wikipedia CC-BY-SA 许可下的文字
  • MESQUITE GOLD MINE - Equinox Gold

    Mesquite is an open-pit, run-of-mine (“ROM”) heap leach gold mine located in Imperial County, California with a long history of successful operations. The mine has produced more than four million ounces of gold since it commenced operations in 1985 with average annual gold production of approximately 130,000 ounces over the last 10 years.

  • Gold Mining from Open Pit Extraction to Heap Leaching ...

    Jul 08, 2016  Gold Mining from Open Pit Extraction to Heap Leaching - Educational 3D Animated Video For more information and to request a FREE estimate, contact us today:

  • 作者: ImageMaker Advertising, Inc.
  • Heap Leach: Mining's breakthrough technology - MINING.COM

    Aug 20, 2015  Start-up of currently operating major Heap Leach mines, # mines. Source: IntelligenceMine. ... HL facilities are located north to the open-pit

  • Pan Mine – Fiore Gold Ltd.

    Sep 30, 2018  The Pan Mine is a Carlin-style, open-pit, heap-leach mine in east-central Nevada, approximately 28 km southeast of the town of Eureka, on the prolific Battle-Mountain – Eureka gold trend.

  • Open pit mine planning software Opencontour Software ...

    Opencontour has also focused on the heap leach stacking and planning process. By partnering with Forte Dynamics, Opencontour has used its planning tools to design heap leach stacking and linking this process to the mine plan.Linking the pit with the pad provides cost savings and recovery results that widen the gap between costs and revenue created from heap leaching performance.

  • Santana Minera Alamos Inc.

    It is strategically positioned in a rich mining district that features operational mines from some of the world’s leading names in precious metals mining (Goldcorp, Agnico Eagle, Alamos Gold). Santana is a low CAPEX open pit heap-leach development permitted project with test mining and processing recently completed.

  • Environmental Risks of Mining

    Open pit mining, where material is excavated from an open pit, is one of the most common forms of mining for strategic minerals. This type of mining is particularly damaging to the environment because strategic minerals are often only available in small concentrations, which increases the amount of ore needed to be mined. ... Heap Leaching ...

  • The Mining Details – Learning and Development

    The Soledad Mountain Mine is a gold-silver mine is located 5 miles south of the town of Mojave in Kern County, southern California. The Mine uses conventional open-pit mining methods and the cyanide heap leach and Merrill-Crowe processes to recover gold and silver from crushed, agglomerated ore.

  • How to profit from low-grade gold mines - Part 1 Kitco News

    Barrick Nevada's Cortez property is still going, with ore drawn from the Pipeline complex open pit, and Cortez Hills, a combination underground/ open pit mine. Heap leaching technology was a major breakthrough because it significantly reduced gold recovery costs (versus traditional cyanide leaching - see section below on gold recovery costs ...

  • Open pit mine planning software Opencontour Software ...

    Opencontour has also focused on the heap leach stacking and planning process. By partnering with Forte Dynamics, Opencontour has used its planning tools to design heap leach stacking and linking this process to the mine plan.Linking the pit with the pad provides cost savings and recovery results that widen the gap between costs and revenue created from heap leaching performance.

  • Golden Predator: Brewery Creek Mine

    A past producing open pit/heap leach mine, temporarily suspended in 2002 due to gold price falling below $300/ounce; Quartz Mining License, Water License and Mining Land Use Permit for further exploration; Socio Economic Accord and Council Resolution with Tr’ondek Hwech’in supporting resumption of production

  • Relief Canyon Americas Gold and Silver Corporation

    Relief Canyon Mine and Processing Facility. The Relief Canyon Mine is located in Pershing County, Nevada. The project encompasses an open pit mine and heap leach processing facility. Americas Gold and Silver is currently permitted to begin mining and processing at

  • Overview Orla Mining Ltd.

    Type of Mine Open pit heap leach Gold Reserves 1.0 Moz Total Proven and Probable * Gold Resource 9.5 Moz Total MI * Crusher Throughput 18,000 tpd Estimated Avg. Annual Production 97,000 oz Au, 511,000 oz Ag Estimated Startup Q2 2021

  • Moss Gold Mine, NW Arizona, USA Northern Vertex Mining Corp.

    The Moss Mine is an open pit gold-silver operation, with a favorable strip ratio of approximately 1.85:1 (waste to ore) and minimal haul distances to the crushing plant. The most economic and effective way to process the ore is through crushing, agglomeration and heap leaching followed by processing at the on-site Merrill Crowe metal recovery ...

  • Eagle Gold Mine Victoria Gold Corp.

    Open pit mining and loading of the heap leach facilities will be completed in Q2 of 2031. Starting from the beginning of 2020, the mine is expected to produce a total of 149.0M t of heap leach feed and 144.9M t of waste (at a 0.97:1 overall strip ratio).

  • Mineral Ridge Scorpio Gold Corp.

    The Mineral Reserve estimate for the material on the heap leach pad is provided in Table 4. The estimate has an effective date of June 29, 2017. Proven and Probable Mineral Reserves for the open-pit (other) area material are reported within the final pit design used for the mine production schedule and are shown in Table 5.

  • Lindero Project, Argentina Fortuna Silver Mines Inc.

    Mining Method. Open pit, heap leach. Overview. In September 2017, the commencement of construction at Lindero was officially launched (see Fortuna news releases dated September 21, 2017 and December 21, 2017). Lindero has been designed as an 18,750 tonnes per day owner operated open pit mine with a pit life of 13 years based on existing mineral ...

  • Soledad Mountain

    Today the Mine utilizes conventional open-pit mining methods, cyanide heap leach and Merrill-Crowe processes to recover gold and silver from crushed, agglomerated ore. In addition to gold and silver, Golden Queen also produces aggregate material as a byproduct of mining processes.

  • Environmental Risks of Mining

    Open pit mining, where material is excavated from an open pit, is one of the most common forms of mining for strategic minerals. This type of mining is particularly damaging to the environment because strategic minerals are often only available in small concentrations, which increases the amount of ore needed to be mined. ... Heap Leaching ...

  • General Manager- Large Open Pit, Heap Leach Gold Project ...

    At least 10-20 years’ experience in senior mining leadership roles including project and engineering management, construction and operations in large scale open pit environments; Bachelor’s degree in mining, metallurgical or equivalent engineering with appropriate designations required, Heap Leach

  • Beartrack Gold Project - Revival Gold Inc.

    The Beartrack open pit heap leach mine was operated by Meridian Beartrack from 1994 until 2000 and produced approximately 600,000 ounces of gold. The mine achieved a life-of-mine recovery of 87% based on the cyanide-soluble grade from ore processed during heap leach operations.

  • Relief Canyon Americas Gold and Silver Corporation

    Relief Canyon Mine and Processing Facility. The Relief Canyon Mine is located in Pershing County, Nevada. The project encompasses an open pit mine and heap leach processing facility. Americas Gold and Silver is currently permitted to begin mining and processing at

  • General Manager- Large Open Pit, Heap Leach Gold Project ...

    At least 10-20 years’ experience in senior mining leadership roles including project and engineering management, construction and operations in large scale open pit environments; Bachelor’s degree in mining, metallurgical or equivalent engineering with appropriate designations required, Heap Leach

  • Moss Gold Mine, NW Arizona, USA Northern Vertex Mining Corp.

    The Moss Mine is an open pit gold-silver operation, with a favorable strip ratio of approximately 1.85:1 (waste to ore) and minimal haul distances to the crushing plant. The most economic and effective way to process the ore is through crushing, agglomeration and heap leaching followed by processing at the on-site Merrill Crowe metal recovery ...

  • Dayton residents concerned about Hercules mining project ...

    Open pit leach mine. Locals asked that if the exploration results pan out to be profitable, would the crushing and heap leaching process be done at the site and how large the site will be.

  • Los Reyes Minera Alamos Inc.

    Production from any open pit (heap leach) mining operations at the Project will be subject to a minimum 1% net smelter return royalty (“NSR”) payable to Vista Gold which could increase to 2% if gold prices exceed US$ 1600 per oz. This royalty is capped at a maximum

  • Beartrack Gold Project - Revival Gold Inc.

    The Beartrack open pit heap leach mine was operated by Meridian Beartrack from 1994 until 2000 and produced approximately 600,000 ounces of gold. The mine achieved a life-of-mine recovery of 87% based on the cyanide-soluble grade from ore processed during heap leach operations.

  • Equinox Gold - Careers

    Equinox Gold’s Mesquite Mine in California is an open-pit heap leach mine that has been in production since 1985. The Company’s Castle Mountain Mine in California is in construction, with Phase 1 production targeted for Q3-2020. Current job postings for the Mesquite and Castle Mountain mines are advertised through an online careers portal.

  • Overview Orla Mining Ltd.

    Type of Mine Open pit heap leach Gold Reserves 1.0 Moz Total Proven and Probable * Gold Resource 9.5 Moz Total MI * Crusher Throughput 18,000 tpd Estimated Avg. Annual Production 97,000 oz Au, 511,000 oz Ag Estimated Startup Q2 2021

  • Soledad Mountain

    Today the Mine utilizes conventional open-pit mining methods, cyanide heap leach and Merrill-Crowe processes to recover gold and silver from crushed, agglomerated ore. In addition to gold and silver, Golden Queen also produces aggregate material as a byproduct of mining processes.

  • Lindero Project, Argentina Fortuna Silver Mines Inc.

    Mining Method. Open pit, heap leach. Overview. In September 2017, the commencement of construction at Lindero was officially launched (see Fortuna news releases dated September 21, 2017 and December 21, 2017). Lindero has been designed as an 18,750 tonnes per day owner operated open pit mine with a pit life of 13 years based on existing mineral ...

  • Magna Gold Corp - San Francisco

    The mine is situated in the north central portion of the state of Sonora, Mexico, approximately 150 kilometers (km) north of the state capital city of Hermosillo. The project is comprised of two previously mined open pits (San Francisco and La Chicharra), together with heap leach processing facilities, and associated infrastructure located ...

  • KINROSS GOLD CORPORATION 2016

    • Open-pit heap leach mine in Nevada • Stronger production and lower costs expected in 2017 and 2018 SIGNIFICANT UPSIDE POTENTIAL • Large estimated mineral resource base with multiple sources of mineral reserve additions Near-term opportunities which have potential to double mineral reserve estimates by end of Q12017

  • Open Pit Uranium Mining - Open Pit Mines - Nuclear Power

    Open pit mines require large holes on the surface, larger than the size of the ore deposit, since the walls of the pit must be sloped to prevent collapse. In 2012, the percentage of the mined uranium produced by open pit was 19.9 percent.For example, the Rössing Uranium Mine in Namibia is the longest-running and one of the largest open pit ...

  • Major Mines Projects Wharf Mine

    The Wharf Operation is currently a conventional truck and loader heap leach gold mine. The Wharf Operation consists of five heap leach pads, which are all load/offload pads. The entire planned mining disturbance falls within the current permitted area. Wharf leases nearly all of the earth moving equipment used at the mine.

  • General Manager- Large Open Pit, Heap Leach Gold Project ...

    At least 10-20 years’ experience in senior mining leadership roles including project and engineering management, construction and operations in large scale open pit environments; Bachelor’s degree in mining, metallurgical or equivalent engineering with appropriate designations required, Heap Leach

  • Chester F. Millar (b. 1927) – Canadian Mining Hall of Fame

    In the 1970s, Millar became interested in heap leaching of gold ores and recommended the method to the owners of a gold mine with an inefficient mill in California. They rewarded his good advice by making him a co-owner of the America mine, the first open-pit heap-leach operation in the state.

  • Lindero Project, Argentina Fortuna Silver Mines Inc.

    Mining Method. Open pit, heap leach. Overview. In September 2017, the commencement of construction at Lindero was officially launched (see Fortuna news releases dated September 21, 2017 and December 21, 2017). Lindero has been designed as an 18,750 tonnes per day owner operated open pit mine with a pit life of 13 years based on existing mineral ...

  • Arizona Metals Corp Announces Start of Drilling at Its ...

    Jul 07, 2020  TORONTO--(BUSINESS WIRE)--Jul 7, 2020--

  • Soledad Mountain

    Today the Mine utilizes conventional open-pit mining methods, cyanide heap leach and Merrill-Crowe processes to recover gold and silver from crushed, agglomerated ore. In addition to gold and silver, Golden Queen also produces aggregate material as a byproduct of mining processes.

  • Los Reyes Minera Alamos Inc.

    Production from any open pit (heap leach) mining operations at the Project will be subject to a minimum 1% net smelter return royalty (“NSR”) payable to Vista Gold which could increase to 2% if gold prices exceed US$ 1600 per oz. This royalty is capped at a maximum

  • Equinox Gold - Careers

    Equinox Gold’s Mesquite Mine in California is an open-pit heap leach mine that has been in production since 1985. The Company’s Castle Mountain Mine in California is in construction, with Phase 1 production targeted for Q3-2020. Current job postings for the Mesquite and Castle Mountain mines are advertised through an online careers portal.

  • Kilgore Mining Project — Greater Yellowstone Coalition

    Two open pit, cyanide heap leach gold and silver mines created an environmental disaster for the people of north central Montana and the Fort Belknap Indian Reservation. During its tenure, the mining operation had over a dozen cyanide, arsenic, and lead spills including one incident that resulted in over 50,000 gallons of cyanide poisoning the ...

  • Uranium Mining and Milling Wastes: An Introduction

    URANIUM MINES Most uranium ore is mined in open pit or underground mines. The uranium content of the ore is often between only 0.1% and 0.2%. Therefore, large amounts of ore have to be mined to get at the uranium. In the early years up until the 1960's uranium was predominantly mined in open pit mines from ore deposits located near the surface.

  • Herradura Fresnillo plc

    Open-pit, heap leach Merrill-Crowe plants; two dynamic leaching plants (DLP) Workforce: 1,579 employees, 912 contractors: Mine Life: 15.6 years (2018: 13.2)

  • KINROSS GOLD CORPORATION 2016

    • Open-pit heap leach mine in Nevada • Stronger production and lower costs expected in 2017 and 2018 SIGNIFICANT UPSIDE POTENTIAL • Large estimated mineral resource base with multiple sources of mineral reserve additions Near-term opportunities which have potential to double mineral reserve estimates by end of Q12017

  • Magna Gold Corp - San Francisco

    The mine is situated in the north central portion of the state of Sonora, Mexico, approximately 150 kilometers (km) north of the state capital city of Hermosillo. The project is comprised of two previously mined open pits (San Francisco and La Chicharra), together with heap leach processing facilities, and associated infrastructure located ...

  • Argonaut Gold to run Florida Canyon Mining elkodaily

    Jun 04, 2020  The Florida Canyon mine southwest of Winnemucca is an open pit and heap leaching operation which expects to produce between 60,000 to 70,000 ounces of gold this year. The mine’s new heap leach ...

  • Arizona Metals Corp Announces Start of Drilling at Its ...

    Jul 07, 2020  Sugarloaf is a heap-leach, open-pit target and has a historic estimate of “100 million tons containing 1.5 million ounces gold” at a grade of 0.5 g/t (Dausinger, 1983, Westworld Resources).