pyrrhotite gold musselwhite mine cyanidation

Feb 24, 2020· The mineralization atMusselwhitecan be classified as an Iron Formation hostedgolddeposit. Typically,goldin 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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  • advances in the cyanidation of gold sciencedirect

    advances in the cyanidation of gold sciencedirect

    Jan 01, 2016· TheMusselwhite Minetreats apyrrhotite-bearingore containing mostly freegold(5.5–5.8 g/t Au, 4.2%pyrrhotite).Thepyrrhotiteis both monoclinic (50%) and hexagonal (50%).Cyanidationwith the addition of lead nitrate was already part of …

  • reactions ofgoldand sulfide minerals incyanidemedia

    reactions ofgoldand sulfide minerals incyanidemedia

    The effect ofpyrite, pyrrhotite,chalcopyrite, realgar and arsenopyrite ongolddissolution incyanidemedia was investigated. Thecyanidationof syntheticgoldores in the presence of various concentrations of sulfides was studied under constant experimental conditions. A …

  • newmont corporation operations projects global

    newmont corporation operations projects global

    Musselwhite’s oreis mined from two main zones below Lake Opapimiskan.Oreis processed onsite using a circuit that includes crushing, grinding, leaching bycyanidation,carbon in pulp recovery and electrowinning.Goldrecoveries are 96%. In 2016, work began on a $90-million materials handling project to improve the movement oforeto the mill

  • mining methods and gold processing musselwhite mines

    mining methods and gold processing musselwhite mines

    Andgoldprocessing frommusselwhite minesprocessing includes crushing, grinding, leaching bycyanidation,carbon in pulp recovery and electrowinning, to achieve an overall recovery of approximately 96%. The stratigraphy in theMusselwhite minevicinity is dominated by mafic volcanics, chemical sediments and felsic volcanics

  • premier gold mines

    premier gold mines

    Hole PQ09006 has intersected a broad biotite-garnet altered mineralized zone consisting of folded and laminated iron formation containingpyrrhotite,chalcopyrite and visiblegold.This discovery hole returned an impressive 10.24g/t Au across 5.1m with a higher grade core grading 21.33g/t Au across 2.1m

  • romiosgoldresources inc. recent airborne geophysical

    romiosgoldresources inc. recent airborne geophysical

    Mar 04, 2021· Drilling here in 2019 located perhaps the most significantgoldintersection in this belt outside of theMusselwhite mineproperty, a quartz-pyrrhotitevein 4.75 m …

  • advances in thecyanidation of gold sciencedirect

    advances in thecyanidation of gold sciencedirect

    Jan 01, 2005· TheMusselwhite Minetreats apyrrhotite-bearing ore containing mostly freegold(5.5–5.8 g/t Au, 4.2%pyrrhotite). Thepyrrhotiteis both monoclinic (50%) and hexagonal (50%).Cyanidationwith the addition of lead nitrate was already part of the plant strategy at the beginning of the project

  • major mines projects musselwhite mine

    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)

  • recent airborne geophysical survey identifies high

    recent airborne geophysical survey identifies high

    Mar 04, 2021· Drilling here in 2019 located perhaps the most significantgoldintersection in this belt outside of theMusselwhite mineproperty, a quartz-pyrrhotitevein 4.75 m wide grading 8.64 g/t Au (true width is approx. 4.3 m) and a second, similar but lower gradegold-quartz vein, 7.3 m wide, ~300 m to the north (see Romios news release July 10, 2019

  • mining methods and gold processing musselwhite mines

    mining methods and gold processing musselwhite mines

    And gold processing from musselwhite mines processing includes crushing, grinding, leaching by cyanidation, carbon in pulp recovery and electrowinning, to achieve an overall recovery of approximately 96%. The stratigraphy in the Musselwhite mine vicinity is dominated by mafic volcanics, chemical sediments and felsic volcanics

  • (pdf) geological setting of the world classmusselwhite

    (pdf) geological setting of the world classmusselwhite

    TheMusselwhite mineis a world-classgolddeposit hosted in polydeformed amphibolite facies banded iron formation (BIF) of the Mesoarchean North Caribou greenstone belt (NCG), northwestern

  • romiosgoldresources inc. recent airborne geophysical

    romiosgoldresources inc. recent airborne geophysical

    Mar 04, 2021· Drilling here in 2019 located perhaps the most significantgoldintersection in this belt outside of theMusselwhite mineproperty, a quartz-pyrrhotitevein 4.75 m …

  • newmont'smusselwhite mineramping up to full operations

    newmont'smusselwhite mineramping up to full operations

    Dec 02, 2020· In the most recent quarter,Musselwhiteproduced 45,000 ozgoldat AISC of $1,260/oz. Theminehad nogoldproduction in the prior-year quarter due to fire damage to the conveyor back in …

  • premier gold mines

    premier gold mines

    Hole PQ09006 has intersected a broad biotite-garnet altered mineralized zone consisting of folded and laminated iron formation containing pyrrhotite, chalcopyrite and visible gold. This discovery hole returned an impressive 10.24g/t Au across 5.1m with a higher grade core grading 21.33g/t Au across 2.1m

  • (pdf)reactions of gold and sulfide minerals in cyanide media

    (pdf)reactions of gold and sulfide minerals in cyanide media

    TheMusselwhite Minein Canada processes a free millinggoldore at 5.5-5.8g/t Au and 4.2%pyrrhotite. A laboratory investigation was conducted to improvecyanidation. Thepyrrhotitewas

  • major mines projects hoyle pond mine

    major mines projects hoyle pond mine

    Gold is recovered using a combination of gravity concentration and cyanidation techniques. The circuit consists of primary, secondary and tertiary crushing, rod/ball mill grinding, gravity concentration, cyanide leaching, carbon-in-pulp gold recovery, stripping, electro winning and refining

  • cobalt camp david k. joyce

    cobalt camp david k. joyce

    TheMusselwhite gold minehas 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. ... andpyrrhotiteas veins and blebs.Goldis directly proportional to thepyrrhotitecontent and the great majority occurs withpyrrhotite

  • recent airborne geophysical survey identifies high

    recent airborne geophysical survey identifies high

    Mar 04, 2021· Drilling here in 2019 located perhaps the most significantgoldintersection in this belt outside of theMusselwhite mineproperty, a quartz-pyrrhotitevein 4.75 m …

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