pyrrhotite gold musselwhite mine cyanidation

Preg-robbing phenomena in the cyanidation of sulphide gold ...

The Musselwhite Mine in Canada processes a free milling gold ore at 5.5-5.8g/t Au and 4.2% pyrrhotite. A laboratory investigation was conducted to improve cyanidation. The pyrrhotite was ...

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Major Mines & Projects | Musselwhite Mine

The mineralization at Musselwhite can be classified as an Iron Formation hosted gold deposit. Typically, gold in these deposits occurs in cross-cutting quartz veins and veinlets or as fine disseminations associated with pyrite, pyrrhotite, and arsenopyrite hosted in iron formations and adjacent rocks within volcanic or sedimentary sequences (McMillan 1996).

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(PDF) Cyanidation of a pyrrhotite-bearing gold ore. The Musselwhite Mine in Canada processes a free milli ng gold ore at 5.5-5.8g/t Au and 4.2 pyrrhotite. A laboratory investigation was conducted to improv e cyanidation. The pyrrhotite was . Get Price

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Mineral Deposit Inventory Record MDI53B09SW00007 ...

There is also a positive correlation between gold grades and pyrrhotite concentrations, with an approximate increase of 1 g/t Au for each percentage point increase of pyrrhotite (up to 15%). Cheatle (2006) provides geological descriptions of several mineralized zones on the Musselwhite property.

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Cobalt Camp - David K. Joyce

Cobalt Camp. Goldcorp Inc.: The Musselwhite Mine. The Musselwhite gold mine has quietly grown into a giant deposit since it first opened in 1997. It is wholly owned by Goldcorp Canada Ltd. and is located in Northwestern Ontario, 480 km NNW of Thunder Bay.

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Major Mines & Projects | Borden Mine

Oct 02, 2019· Borden mine is the world's first all-electric underground mine. Commercial gold production at Borden began in October 2019. The Borden Gold Mine has an ore production capacity of 4000 tonnes per day over a mine life of up to 15 years. - Cemented rock fill with waste backhaul from PGM for waste requirement.

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(PDF) Cyanidation of a pyrrhotite-bearing gold ore

The Musselwhite Mine in Canada processes a free milling gold ore at 5.5-5.8g/t Au and 4.2% pyrrhotite. A laboratory investigation was conducted to improve cyanidation. …

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Cyanidation of a pyrrhotite-bearing gold ore - Ejmpep.com. 2 Placer Dome Canada, Musselwhite Mine, P.O. Box 7500,Thunder Bay, .... stages, using a 1m x 1.4m jaw crusher and 2.1m super heavy-duty cone crusher. ... the fine fraction to make sure that the sulphideminerals are correctly ground. More details » Get Price

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CYANIDE CODE: Musselwhite is first Canadian mine to be ...

Feb 07, 2010· ONTARIO — The first gold producer in Canada to be certified by the International Cyanide Management Institute is the Musselwhite underground mine of Vancouver's Goldcorp.The mine is located 430 km north of Thunder Bay, and joins other certified Goldcorp mine, including El Sauzal in Mexico, Marigold in Nevada and Marlin in Guatemala.

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Case Study Canadian Malartic - BC ML/ARD

AMEC Americas Limited (AMEC). 2006. Review of Musselwhite Mine Operation, Ontario, Canada –NI43 101 Technical Report. July 20. enzaazoua et al. 2017. "Integrated environmental management of pyrrhotite tailings at Raglan Mine: Part 1: challenges of desulphurization process and reactivity prediction". Journal of Cleaner Production 162: 86-95.

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Cyanidation Equipments In Canada

The Musselwhite Mine in Canada processes a free milli ng gold ore at 5.5-5.8g/t Au and 4.2% pyrrhotite. A laboratory investigation was conducted to improv e cyanidation. The pyrrhotite

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Newmont's Musselwhite mine ramping up to full operations ...

Dec 02, 2020· In the most recent quarter, Musselwhite produced 45,000 oz gold at AISC of $1,260/oz. The mine had no gold production in the prior-year quarter due …

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Goldcorp Provides Second Quarter 2018 Exploration Update

Jul 25, 2018· The initial cyanide leach test results have returned average recoveries of 93% for gold and 65% for silver. A selection of significant results from second quarter drilling is presented in Figures ...

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New insights on the geological and structural settings of ...

The Musselwhite mine is a world-class gold deposit hosted in polydeformed amphibolite-facies banded iron-formation of the Mesoarchean North Caribou greenstone belt, northwestern Superior Province. The deposit is located about 2 km west of the tectonic boundary with the gneissic Island Lake domain. Detailed underground and surface mapping, core logging, and structural analyses have been ...

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Sean d'Apollonia, P. Eng - Mining Engineer - Nova Scotia ...

Mine Projects Planner. Goldcorp Inc. Apr 2014 - Jun 20162 years 3 months. Musselwhite.

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Kirkland Lake Gold - Detour Gold

The mine is situated in the area of the historic Detour Lake open pit/underground mine operated by Placer Dome which produced 1.8 million ounces of gold from 1983 to 1999. The Detour Lake operation has a mine life of approximately 22 years with an average gold production of 659,000 ounces per year.

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Musselwhite gold mine | ملتقى المهندسين العرب

Oct 12, 2013· Musselwhite is principally an underground gold mine and associated processing plant producing nearly a quarter of a million ounces of gold annually. The mine is situated in northwestern Ontario, Canada and is owned by Goldcorp Inc. With existing mineral reserves, the Musselwhite Mine has an expected mine life through to 2018.

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A Microstructural study of Musselwhite Mine and Hammond ...

Musselwhite Mine and Hammond Reef are shear-zone-hosted gold deposits located in Northwestern Ontario, in the Western Superior Province of the Canadian Shield. A detailed microscopic investigation of three gold-hosting lithologies from Musselwhite Mine and Hammond Reef demonstrate close similarities in the microstructures which host gold and the

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Newmont Corporation - Operations & Projects - Global ...

Musselwhite is a fly-in, fly-out operation located approximately 500 kilometers north of Thunder Bay, Canada. Musselwhite's ore is mined from two main zones below Lake Opapimiskan. Ore is processed onsite using a circuit that includes crushing, grinding, leaching by cyanidation, carbon in pulp recovery and electrowinning. Gold recoveries are 96%.

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Major Mines & Projects | Eleonore Mine

The operating entity for the operations is a wholly-owned subsidiary of Goldcorp Inc., Les Mines Opinaca Ltée. The Éléonore Operations host the Roberto gold deposit, which consists of the Roberto, East Roberto, and Zone du Lac lenses. The Roberto deposit is a clastic sediment-hosted stockwork-disseminated gold deposit.

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Cyanidation of a pyrrhotite-bearing gold ore

Figure 1. Schematic diagram of Musselwhite Mine grinding and leaching circuit The presence of pyrrhotite in gold ores is known to have a negative impact on the dissolution of gold and on the consumption of cyanide. This report presents the results of a cyanidation study on a sample containing pyrrhotite as the only cyanicide.

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G. DESCHÊNES | Principal Engineer, Precious metals ...

The Musselwhite Mine in Canada processes a free milling gold ore at 5.5-5.8g/t Au and 4.2% pyrrhotite. A laboratory investigation was conducted to improve cyanidation. The pyrrhotite was ...

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Musselwhite Gold Mine, canada - Free Download PDF Ebook

Mar 26, 2018· Canada and is owned by Goldcorp Inc. Musselwhite is a fly-in operation with pick-up points in Thunder Bay.500 metre gravel airstrip. down plunge continuation in . External to the supracrustal sequences are a series of undifferentiated gneisses and granitoids.Overview Musselwhite is principally an underground gold mine and associated ...

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Advances in the Cyanidation of Gold - ScienceDirect

Jan 01, 2016· The Musselwhite Mine treats a pyrrhotite-bearing ore containing mostly free gold (5.5–5.8 g/t Au, 4.2% pyrrhotite). The pyrrhotite is both monoclinic (50%) and hexagonal (50%). Cyanidation with the addition of lead nitrate was already part of …

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Summary of gold plants and processes - ScienceDirect

Jan 01, 2005· Lead nitrate addition and cyanide-level control improved gold recovery; cyanide consumption drop: 20: Musselwhite: Ontario: Pyrrhotite: Cyanidation: Lead nitrate, oxygen with cone spargers, on-line cyanide analysis: 20: New England Antimony: Australia: Gold–antimony concentrate: Thiourea leaching

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