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macraes gold processing plant

Macraes Operation - OceanaGold

Our Macraes Operation on the South Island of New Zealand is the country’s largest active gold producing mine, having produced over five million ounces of gold since 1990. The Macraes Operation is committed to contributing to the local economy through employment, procurement, community investment and donations – with over 600 people employed between the Macraes

Appendix 13 Macraes Phase III Project Tailings Static and ...

The Macraes Gold Project consists of a series of open cast pits and waste rock stacks, an underground mine, ore processing plant, tailings storage impoundments, silt ponds and a water reservoir. Since 2007, the ore processing plant has also processed concentrate from OceanaGold’s Reefton Gold

Major Mines & Projects | Macraes Mine

The Macraes Process Plant recovers gold by concentrating the metal into a relatively small fraction of flotation concentrate, oxidising the reground concentrate in a pressure oxidation autoclave, washing the oxidised residue and then utilising a carbon-in-leach process to recover gold from the residue. In detail the plant comprises:

The Mining Process - OceanaGold

Gold at Macraes is known as ‘refractory ore’, which means it is ultra-fine and resistant to the typical cyanide leach process, typical of most gold processing plants. This refractory nature of the ore led to inefficiencies recovering the gold from ore in the past.

Appendix 13 Macraes Phase III Project Tailings Static and ...

The Macraes Gold Project consists of a series of open cast pits and waste rock stacks, an underground mine, ore processing plant, tailings storage impoundments, silt ponds and a water reservoir. Since 2007, the ore processing plant has also processed concentrate from OceanaGold’s Reefton Gold

Macraes Operation - ASX

Mar 16, 2015 · Macraes Operation Overview Open Pit and underground operations, with a flotation/POX/CIL processing plant ~ 500 permanent personnel 427 OceanaGold employees; and 73 site based contractors Residential operation: typically within 30 to 70 minutes Company provides bus services from Oamaru and Dunedin For personal use only

The Mining Process - OceanaGold

Gold at Macraes is known as ‘refractory ore’, which means it is ultra-fine and resistant to the typical cyanide leach process, typical of most gold processing plants. This refractory nature of the ore led to inefficiencies recovering the gold from ore in the past.

Process Reagent and Services Operator - Macraes gold mine ...

The team at the Macraes Processing Plant are seeking a motivated crew member who has a strong work ethic and the desire to conquer the role of Process Reagent and Services Operator. This is a great opportunity to develop a mining career, with an international business.

OceanaGold Macraes Operation - Posts | Facebook

Part of the crushing and grinding cycle of the Processing Plant involves breaking down the large rocks we’ve mined to access the gold inside. We use 50mm forged steel grinding balls inside of the mill. As the mill turns the balls are lifted against the mill walls and fall onto the rock to crush and grind it.

Facts The Casualty In Macraes Decision | Scoop News

Aug 21, 2001 · "Even in Otago where cyanide is used to extract gold from the ore concentrate at Macraes' processing plant, contamination risk is remote. Practically all the cyanide used in

Mark Cadzow Net Worth (2021) | wallmine AU

Mr Cadzow joined OGL in 1991 and held the position of Senior Metallurgist and Processing Manager for 10 years, during which time he developed the Macraes processing plant from a 1.5 Mtpa sulphide leach plant into one of Australasia’s most complex gold processing plants treating 4.5 Mtpa.

Mine Details | MiningLink.au

Macraes ore Processed at Nearby Gold Processing Plant Ore from the Macraes operation is processed at the adjacent gold processing plant that incorporates a pressure oxidation plant to processes sulphide ore. This plant is one of only three other such plants in the southern hemisphere. Ore coming into the Macraes gold processing plant is ...

Process Manager - Careers - OceanaGold

Jul 28, 2021 · Process Manager. 28 Jul 2021. OceanaGold’s Haile Mine in South Carolina is seeking a Process Manager to lead the operation, strategy, and success of the processing plant. Haile is an expanding Gold Mine with open pit operations and developing an underground mine in 2022 which will bring with it a lot of opportunities.

Revegetation of Gold Mine Tailings (Active mine - Macraes ...

The Oceana Gold Macraes gold mine is located 80 km north of Dunedin, and is New Zealand's largest producer of gold, producing over 175, 000 ounces per year. Construction of the mine began in 1989, with the mine life expected to be 25-30 years, with the total resource at Macraes estimated at

070808 OceanaGold announces promising exploration results ...

results from Reefton and Macraes. They continue to provide confirmation that our geological models are allowing us to successfully target more prospective areas within the Reefton and Macraes Goldfields. Our strategy is to discover satellite deposits that will provide supplemental ore to the Globe-Progress and Macraes processing plants”.

CPC Engineering studies feasibility of Macraes Gold ...

Sep 01, 2015 · CPC Engineering has been appointed by ASX listed Oceana Gold (New Zealand) Ltd to complete the metallurgy and process plant component of the feasibility study for the Macraes gold-tungsten project. The Macraes operation is New Zealand’s largest gold mine and is located 100 km by road north of Dunedin in the Otago region of the South Island ...

Mark Cain - Site Manager - Genesis Energy | LinkedIn

Macraes Gold Mine NZ Responsible for the maintenance of the 720tph processing plant consisting of crushing, grinding, flotation, autoclave, CIL, elution circuit and tailings disposal, also now responsible for small projects and tailings dust suppression. 31 multi disciplined staff and a $23M annual opex budget and approx $3M capex.

SRC News: OceanaGold Provides Operations Update Including ...

1 天前 · 2021 production guidance of 5,000 to 10,000 ounces of gold and 1,000 tonnes of copper. 2021 sales of 23,000 to 28,000 gold ounces and 3,500 to 4,500 tonnes of copper. New Zealand operations impacted by 15-day national COVID-19 lockdown with Macraes guidance revised to 135,000 to 145,000 gold ounces at AISC of $1,300 to $1,350 per ounce sold.

Major Mines & Projects | Macraes Mine

The Macraes Process Plant recovers gold by concentrating the metal into a relatively small fraction of flotation concentrate, oxidising the reground concentrate in a pressure oxidation autoclave, washing the oxidised residue and then utilising a carbon-in-leach process to recover gold from the residue. In detail the plant comprises:

Major Mines & Projects | Macraes Mine

The Macraes Process Plant recovers gold by concentrating the metal into a relatively small fraction of flotation concentrate, oxidising the reground concentrate in a pressure oxidation autoclave, washing the oxidised residue and then utilising a carbon-in-leach process to recover gold from the residue.

Macraes Gold Mine - IndustryAbout

Apr 30, 2019 · Owner: Macraes Gold Mine. Shareholders: OceanaGold Corporation. Activity since: 1990 ... BMC - Silukkampatti Mineral Sands Processing Plant VV Minerals - Athur Mineral Sands Processing Plant Yentop Manickavel - Madathur Edible Oil Mill KTV- Kodungaiyur Edible Oil Mill

Lithological controls on structural evolution of ...

and arsenopyrite) in the Hyde-Macraes Shear Zone, and gold recovery in the processing plant focuses initially on separation of sulfides from schist host. This study addresses the structural evolution of sulfide-bearing rock, without direct examination of the gold itself within the sulfide-bearing rock.

Yokogawa Mining and Metals Processing Capability

Macraes – Oceana Gold Located in the Otago region of the South Island of New Zealand it consists of the Macraes open cut mine and the Frasers Underground mine. The mine produced 169,000 ounces in 2012. The processing plant uses a pressure oxidation plant for the processing of the sulphide ore. The processing plant is

Gold Processing Metallurgical Plant

AusIMM New Zealand Branch Annual Conference 2015 181 Optimisation of metallurgical plant sampling procedures at the Macraes gold mine Q.R. Johnston1, J. Johns2 and R. Sterk3 1 Processing Manager OceanaGold Ltd, Golden Point Road, RD3, Macraes Flat 9483, East Otago, New Zealand quenton.johnstonoceanagold

Geochemical changes in mine tailings during a transition ...

Aug 01, 2003 · Macraes mine and processing plantThe Macraes mine extracts gold from a schist-hosted mesothermal gold vein deposit in southern New Zealand McKeag et al., 1989, Craw et al., 1999, Craw et al., 2002. Gold occurs in close association with pyrite and arsenopyrite, which make up about 1% of the ore. The sulphides are concentrated about 10-fold by ...

Geochemical changes in mine tailings during a transition ...

The Macraes gold mine has no stibnite, and most Sb is in solid solution in the abundant arsenopyrite (Sb up to 2,000 mg/kg). ... Similar As mobility is seen in an active gold mine processing plant ...

Home [waihinorthfo]

Processing Plant Upgrade – Increasing throughput capacity at our existing Processing Plant. ... The company was founded in New Zealand, at Otago’s Macraes operation (which it continues to operate), and has built an international portfolio as one of the most progressive gold miners in the world. ... OceanaGold’s acquisition of Waihi Gold ...

sampling gold processing plant

The Macraes processing plant treats various ore sources from underground and open pits within the Macraes gold mine, as well as concentrate from the Reefton gold mine on

Coronation pit, Macraes Mine, Macraes (Macraes Flat ...

Gold. Satellite pit for the Macraes gold mine. Located 2 kilometres north-west of Frasers pit and the processing plant. On the 31st December 2009 resources were indicated as 1.23 Mt at 1.18 g/t Au, inferred 2.98 Mt at 1.1 g/t Au for 0.11 Moz Au (0.5 g/t Au cut-off) .

Portable Power Distribution Centre: Macraes Gold Mine | EIS

The Macraes Project consists of the Macraes Open Pit gold mine which has been operating since 1990 and the Frasers Underground mine which was commissioned in 2008, as well as an adjacent processing plant. The Brief. OceanaGold concluded that upgrading its equipment at the Macraes gold mine would be beneficial to its business.

Two Go Tiki Touring: Macraes Giants- Otago; Part 2

Mar 28, 2017 · Oceana Gold's Macraes Mine is New Zealand's largest gold producing mine, producing over 4 million ounces of gold to date. The area leased by the mine covers around 27,500 hectares. There are two mines, Macraes Open Pit which has been operating since 1990 and Frasers Underground which began in 2008. Frasers is 740 metres below surface and 200 ...

Macraes around for a while yet | Otago Daily Times Online News

Jan 25, 2020 · Expect Macraes goldmine to "be around for a while yet". As a new decade dawns at the East Otago mine, against the backdrop of a healthy gold price, manager Matt Hine says there is little time to rest in the fast-paced mining industry. Gold production at Macraes started on January 1, 1990, and the life of the mine was initially just seven years.