the mining process newmont waihi gold

The Mining Process – Waihi Gold

Mining – open pit and underground. To define the ore from the waste rock, samples are taken and assayed. Assay results are used to mark out areas of ore and waste rock, which are mined separately. Some of the harder areas require blasting to loosen the rock prior to excavation by hydraulic diggers. Dump trucks haul the...

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Mining – Waihi Gold

The Martha project was the first major hard rock mining operation to be commissioned following the resurgence of the gold mining industry in New Zealand in the late 1970s. The Martha Mine is situated in the Waihi township, and the processing plant, waste rock embankments, water treatment plant and Favona Mine are...

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Martha Mine – Waihi Gold

The Martha project was the first major hard rock mining operation to be commissioned following the resurgence of the gold mining industry in New Zealand in the late 1970s. The Martha Mine is situated in the Waihi township, and the processing plant, waste rock embankments, water treatment plant and Favona Mine are...

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The modern Martha Mine – Waihi Gold

August – Golden Legacy Centre opened to provide information to the community about Favona, exploration and 'Golden Legacy' rehabilitation concepts. 2004: June – Company name changed to Newmont Waihi Gold Limited. August – Favona underground mine permitting process was completed. November – Ceremony...

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NI43-101 Waihi Gold Mine - OceanaGold

Gold holding was acquired by Normandy in 2002 and the Newmont Mining Corporation acquired full ownership of the Waihi Mine in 2002 through the acquisition of the Normandy Mining Group. OceanaGold obtained the Waihi property as an operating open pit mine and process plant In October 2015. The Martha Mine...

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Newmont Mining - Newmont Completes Sale of Waihi Operations in ...

Oct 29, 2015 ... Waihi is located approximately 150 kilometers southeast of Auckland in New Zealand . Gold was first discovered and mined in the area in 1878. The Martha open pit mine began operations in 1987 and was acquired by Newmont in 2002 during the merger with Normandy. Waihi produced approximately...

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Martha Mine - Wikipedia

By 1882 the first battery to break gold-bearing rock was in operation. The Martha Mine eventually grew into one of the world's most important gold and silver mines, after industrial cyanide processes made recovering gold from the low-grade ores easier. Waihi prospered with the mine, by 1908 being the fastest-growing town...

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Newmont Waihi Gold - Straterra

Environmental management is a cornerstone of OceanaGold, the operator of the Martha open pit at Waihi, Coromandel, and the nearby Favona Correnso underground mine (also the portal to the Moonlight and Trio ore bodies). The company has approvals for a new underground gold and silver mine under East Waihi,...

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Newmont Waihi Gold Secures $1-Billion in Funding ... - Mining Global

Aug 4, 2014 ... "The surface access point will be the existing Favona mine portal located near the processing plant." Despite homeowners in the area appealing the court's consent, Newmont Waihi Gold plans to proceed according to plan. Newmont currently operates three mines in Waihi, New Zealand including: the...

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The art and science of community relations: Procedural fairness at ...

The Waihi gold mining operations in New Zealand, which consist of an open pit, several underground operations, a processing facility and waste storage facilities, are well known for their close proximity to their host community. In 2011, the company Newmont Waihi Gold announced a potentially controversial extension to...

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Ohinemuri - The Waihi Mill

The cyanide process was fully adopted in 1894. The Victoria Battery at Waikino commenced crushing in 1898, and by 1902 the Waihi Gold Mining Company had 330 head of stamps crushing Martha ore (Waihi: 90, Union: 40, Victoria: 200). The Waihi Battery was closed in 1913, though the Melthouse and Refinery at this...

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Search the List | Waihi Gold Mining Company Cyanide Tanks ...

Copyright: Newmont Waihi Gold. ... The cyanide process for the extraction of gold from crushed ore made possible the economic operation of non-alluvial goldfields in New Zealand, and elsewhere e.g. ... The process involves the mixing in the tanks of the finely-ground goldbearing ore in a solution of potassium cyanide.

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cyanide management - InfoMine

PROCESS. The Golden Cross gold and silver mine was a joint venture between Coeur Gold New Zealand Ltd. (CGNZ) and Viking Mining Ltd. Construction started in 1990 and production in January 19 mine is in the North Island of New Zealand, adjacent to the Waitekauri River, 8 km northwest of. Waihi at the base of the...

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OceanaGold buys Newmont's Waihi - Australia's Mining Monthly

Apr 30, 2015 ... Subject to due diligence, the terms of the sale also comprise a $5 million contingency payment and a 1% net smelter royalty on a recent discovery north of Waihi, capped at 300,000 ounces of gold. OceanaGold said the operation was a good strategic fit, given it owns the Reefton and Macraes gold mines in...

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Oceana Gold buys Waihi for $132.3m | Otago Daily Times Online ...

May 1, 2015 ... East Otago-based Oceana Gold has bought Newmont Mining Corp's North Island Waihi operations for $US101 million ($NZ132.3 million), offering surety Oceana's New Zealand operations will continue for several years. ... Plant capacity to annually process 1.3 million tonnes of ore. • Estimated gold...

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OceanaGold fires on all cylinders - The Northern Miner

Processing facilities at OceanaGold's Didipio gold mine in the Philippines. Source: OceanaGold. By: Trish Saywell June 10, ... OceanaGold signed a definitive agreement with Newmont Mining (NYSE: NEM) to buy 100% of its Waihi gold mine on the North Island of New Zealand. The sticker price: US$101 million in cash.

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Macmahon wins Waihi gold mine contract extension - Australian ...

Jul 1, 2014 ... Macmahon has won a two year extension for its current work at Newmont's Waihi gold mine in New Zealand. The $38 million contract will see Macmahon remain on site until March 2016. Macmahon will continue to provide a full range of open cut mining activities, such as drill and blast, load and haul,...

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Mining Below The Floorboards – werewolf

Jun 11, 2013 ... Delahunty says she has a particular worry about the tailings dams just outside Waihi, which will store Correnso's processed ore waste. During its lifetime, the mine will yield several million tonnes of ore, with the by-product of the sodium-cyanide process that's used to extract the gold (estimated at around...

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The Mineral Industry of New Zealand in 2013 - USGS Mineral ...

2013; Newmont Mining Corp., 2014, p. 32). Oceana Gold ltd., a subsidiary of OceanaGold Corp., was the operator for the Macraes operation and the Reefton operation on the South Island. The Macraes operation consisted of the. Macraes open pit mine, the Frasers underground mine, and the Macraes processing plant.

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SunLive - Waihi houses settling - The Bay's News First

Jan 11, 2013 ... The subsidence area is located between Gladstone and Walmsley Roads, directly over the site of the proposed Correnso mine, which Newmont Waihi Gold is in the process of seeking a resource consent. Waihi East residents are opposing the consent application. Waihi East Residents Group secretary...

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IN THE MATTER

Apr 30, 2013 ... The application by Newmont Waihi Gold (“the applicant” or “NWG” or “the company”) is for land use consent to allow ... existing Martha mine (or excavated pit) to include the eastern part of the settlement of Waihi. It .... Mining of the Correnso ore body will involve three different underground mining methods.

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TUMEKE!: Undermining Waihi

May 7, 2013 ... Mining company Newmont Waihi Gold has been granted consent for the Correnso Underground Mine, New Zealand's first mine directly below a ... NWG also owns and operates the Favona Mine, an underground mine in the vicinity of the process plant several kilometres east of the Waihi township, and is...

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Dino Bertoldi - Mill Superintendent - Newmont Waihi Gold | LinkedIn

View Dino Bertoldi's profile on LinkedIn, the world's largest professional community. Dino has 3 jobs listed on their profile. See the complete profile on LinkedIn and discover Dino's connections and jobs at similar companies.

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the mining of gold process - tfg

The Mining Process – Waihi Gold. Mining – open pit and underground To define the ore from the waste rock, samples are taken and assayed. Assay results are used to mark out areas of ore and waste rock, which are mined separately. Get More Info. image...

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Union Hill Waihi - Archaeopedia

Aug 20, 2013 ... Union Hill, a bush covered hill in the centre of Waihi, owned by Newmont Waihi Gold Ltd, is part of the historic goldmining landscape of the 19th – 20th century exploitation of the Coromandel and Hauraki gold fields. It played a significant role in the history of gold mining in New Zealand, particularly because...

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The art and science of community relations: Procedural fairness at ...

Apr 5, 2017 ... Highlights. •. Community relations are critical to socially acceptable mining operations. •. This paper presents a case study of the Newmont Waihi Gold operations in New Zealand. •. The case study uses mixed methods to demonstrate the drivers of community acceptance. •. Procedural fairness is found to be...

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Understanding the success of the Correnso gold mine - AusIMM ...

How Newmont Waihi Gold approached the development of its New Zealand mine. ... The Correnso mine is located at Waihi in the North Island of New Zealand. Waihi is ... permitting of the project would be a lengthy process due to the public and legal input; a regulatory aspect of the permitting process would be to conduct...

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Waihi Gold Mining - YouTube

Feb 4, 2013 ... Your journey starts here http://www.thecoromandel.com. Come and explore Waihi's unique Newmont Goldmine tour. Visitors are given the opportunity to learn about New Zealand's Gold Mining heritage and get up-close and personal with the modern-day working in the Martha open pit mine and the...

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Pit of despair as job losses hit Waihi | Stuff.co.nz

May 28, 2015 ... Over the last month-and-a-half Newmont Waihi Gold had tried to work a way to safely have workers in the mine, but that process could take up to a year. Newmont external affairs co-ordinator Kit Wilson, at the site of the Martha open. Mike Scott. Newmont external affairs co-ordinator Kit Wilson, at the site of...

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Is Waihi losing its golden glow? - NZ Herald

Jun 14, 2015 ... All hope of the mine operating again under Newmont Waihi Gold's ownership was lost late last month when the company told 50 miners from Macmahon .... following a community consultation process, also involving Newmont and Hauraki District Council, to establish what Waihi might look like after mining.

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Correnso Underground Mine Social Impact Assessment Final ...

2014 Banarra. September 2014. Correnso Underground Mine. Social Impact Assessment. Final Report. Newmont Waihi Gold ..... documents relating to the consent process and regional social context, and consultation in May, June and July 2014. Engagement was carried out with local and regional stakeholders including...

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Waihi Gold Mining - Engineering Heritage

Much innovative engineering was needed to support gold mining at Waihi, in the Coromandel, during its working life from 1878 to 1952, including tunnels, shafts, a spiral railway and a hyrdo-electric power station. Waihi fostered the developed of the cyanide process formerly used worldwide to extract gold from low grade...

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Gold Deposits of New Zealand | Geology for Investors

Figure 2: The Martha Mine operated by Newmont at Waihi in the Hauraki goldfields, North Island, New Zealand. View from the public viewing platform, .... Concentrated ore is railed to Palmerston, just north of Dunedin, and then trucked to the processing plant at Macraes where the gold is extracted. Oceana Gold, recently...

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Effects of mine expansion on geochemical predictions of pit lake ...

Sep 27, 2010 ... At some point in the mining process, either the cost of deepening the pit and disposing of waste rock exceeds the financial profit of the processed ore, or the ..... Upon mine closure, Newmont Waihi plans to fill the open pit with fresh water diverted from the adjacent Ohinemuri River and to rehabilitate the pit...

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Martha Mine (Waihi mine), Waihi, Hauraki, Waikato Region, North ...

Martha Mine (Waihi mine), Waihi, Hauraki, Waikato Region, North Island, New Zealand : An operating gold mine, in the centre of the town of Waihi, located at the foot of ... However, many smaller veins stayed untouched and have been mined by open-pit methods since 1987. ... Owned by the Newmont Mining Corporation.

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