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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

With a population of about 4,700 people, the town of Waihi is situated on the east coast of the North Island of New Zealand. ... The Martha Mine is situated in the Waihi township, and the processing plant, waste rock embankments, water treatment plant and Favona Mine are located two kilometres away in a rural area.

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Ore processing – Waihi Gold

At the processing plant, gold and silver are extracted from the ore. The processing plant alternates between treating ore from the Martha Mine open pit and from the Favona underground mine. Ore processing consists of the following stages: crushing and grinding of the ore; addition of process water (generally decanted from...

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Waihi Gold – OceanaGold Waihi Operation

Waihi Gold operates the Martha open pit and Correnso underground gold mines in Waihi New Zealand and is actively exploring in the region. Sponsorship/Donation form · EastEnder. Copyright © 2015 Waihi Gold Privacy Policy Terms & Conditions.

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The mining process – an overview for students – Waihi Gold

The mining process in Waihi, from beginning to end, can be described under seven headings: Find it. Dig it. Crush it. Treat it. Manage the waste. Make the water clean as clean. Make it all green again. 1. Find it. (Exploring, investigating, baseline monitoring, permitting). The first part of the mining process involves finding the...

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History – Waihi Gold

Mining in Waihi has a history that spans three centuries. Gold was discovered in the 1800s and mined underground in the first half of the 1900s. The last 24 years of the 1900s focused on exploration, development and mining of the Martha Mine open pit. In the 2000s the open pit continued to operate while the Favona...

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Rehabilitation – Waihi Gold

Rehabilitation proposals and concept plans were developed well before the commencement of construction for open pit mining in 1987, and those plans are revised from time to time. ... Each year, a Rehabilitation and Closure Plan is prepared to describe the proposed method of rehabilitation and closure of the site.

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Martha Mine - Wikipedia

Several smaller claims were later merged to form the Martha Company. 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.

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Waihi – OceanaGold

OceanaGold Our Business New Zealand Waihi. The Waihi mine is located in the Waihi township situated near the east coast of the North Island, within ninety minutes' drive southeast of Auckland. The site consists of the Martha Open Pit and associated underground mines. The Correnso Underground mine is the current...

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Waihi Gold Mine Tours | Gold Mining Tours, Working Gold Mine ...

Waihi is a gold town, and we have a fascinating and unique gold story to tell. Although mining operations are ordinarily off-limits to the public, Waihi Gold Mine Tours can take you inside the fence to experience modern-day gold mining up close.

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Victoria Battery - Engineering New Zealand

In 1897 the Victoria Battery, alongside the Ohinemuri River at Waikino, was erected by the Waihi Gold Mining Company to process ore from its Martha Mine in Waihi. The facility initially had ... Ref: 1/2-019291-G. Alexander Turnbull Library, Wellington, New Zealand. http://beta.natlib.govt.nz/records/22452103. (Click image to...

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The Victoria Battery » Go Waihi

The cyanide process was introduced at a time that the extent of the Waihi reef system was becoming apparent. Development of the Martha Mine occurred at a rapid pace and with the increased tonnages of ore to treat, the Waihi Gold Mining Company's treatment plants in Waihi, with sixty-nine stamps, soon became...

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potential contribution of mining to the west coast region

Nov 2, 2010 ... identified in Scenario 3, then employment in the mining sector in the West Coast region would increase ...... 38 percent of employment, followed by food processing with 26 percent of employment. ...... 2010, from Ministry of Economic Development: http://www.crownminerals.govt.nz/cms/minerals/facts-.

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The 1933 Mine Cage Accident » Waihi Arts Centre & Museum

2 shaft at the Waihi mine shortly after 4 o'clock yesterday afternoon had a remarkable escape from death when the cage in which they were descending broke .... Workmans Inspector for the Waihi Miners Union, and H. M. Warner, Consulting Engineer of Auckland and representing the New Zealand Insurance. Company.

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Correnso Underground Mine Social Impact ... - Hauraki District Council

2014 Banarra. September 2014. Correnso Underground Mine. Social Impact Assessment. Final Report. Newmont Waihi Gold ...... Subsequently, NWG's mining and processing operations are highly visible, with areas of ... 4 The Commissioners' complete findings can be viewed at http://www.waihigold.co.nz/assets/media-.

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OceanaGold Corporation | LinkedIn

On the north island of New Zealand, we operate the high-grade Waihi Gold Mine and on the south island of New Zealand, we operate the country's largest gold ... In 2017, the Company expects to produce 550,000 to 610,000 ounces of gold and 15,000 to 17,000 tonnes of copper with sector leading All-In Sustaining Costs...

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Part of the Past NZ History: Waihi Gold Mining Company Limited ...

Jan 30, 2015 ... July 1894 marked another significant milestone for the Waihi Gold Mining Company when they adopted the cyanide process for gold extraction. By 1896 plans for major works were being outlined at the statutory meeting and in 1898 Victoria Battery construction had begun at Waikino.

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cyanide management - InfoMine

(photos http://www.minerals.co.nz/html/green_from_gold/gx.html). Another key to ... istry criteria were: A significant proportion of the waste generated during the operational phase was process tailings, and .... of a series of applications made by Coeur Gold NZ Limited and Viking Mining Company relating to the Golden Cross...

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A Case Study of WAIHI Taylor Baines & Associates

The joint venture company then restructured into the Waihi Gold Mining Company Ltd consisting of: ! Amax Gold Mines (NZ) Ltd; ! AUAG Resources Ltd, formed out of Mineral Resources; ! Welcome Gold Mines Ltd, an Australian company ! Goodman Mining Ltd. Following an 18 month construction programme, the current...

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The Myth and Reality of Sustainable New Zealand: Mining in a ...

An early poll in the debate showed that close to 50% of respondents were open to mining on protected (Schedule 4) conservation lands.15. Caption: Newmont Waihi Gold's Martha open-pit mine on the Coromandel Peninsula. Caption: The fjords of Milford Sound on the west coast of New Zealand's South Island are among...

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WAIHI – 1966 Encyclopaedia of New Zealand – Te Ara

Apr 22, 2009 ... Another important undertaking, the Waihi Grand Junction Mine, was opened in 1890, and made good progress until 1925 when it was virtually absorbed into the Waihi Gold Mining Co. The cyanide process of ore treatment was introduced at Karangahake in 1899 and soon afterwards adopted at Waihi.

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Fact Sheet – Coromandel Watchdog of Hauraki

Fact Sheet. Mining and New Zealand's Conservation Estate. There are currently 3.4 million hectares of New Zealand public conservation land listed on Schedule Four of the Crown Minerals Act 1991, including a sub-set of national parks, and 5.1 million hectares of conservation land not listed on Schedule Four. In March...

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Mining for the New Climate Economy - Pure Advantage

Nov 17, 2015 ... Miners and shareholders of the Hauraki Gold Mining Company of Coromandel -1896 http://www.teara.govt.nz/ ... Newmont Waihi Gold's operations at Waihi, now owned by OceanaGold. ... They also find uses in high-performance ceramics, in electronics, and as catalysts in some industrial processes.

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Miners press to enter the green zone - NZ Herald

Mar 5, 2010 ... There's gold in them thar hills. And antimony, beryllium, chromium, rare earth elements and industrial minerals all the way to zeolite. New Zealand is far from Australia's unlucky cousin in its mineral potential, say mining advocates. "We are a resource-rich nation in a resource-hungry world," says the website...

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NTL - New Talisman Gold Mines - worth a look - Sharetrader Forum

Dec 17, 2012 ... With the old guard gone from Heritage Gold, and a new ticker for the compacted company interests, I carried out a bit of research a while back and bought some NTL shares. The main asset for this company is reflected in the name, it's the old Talisman Mine near Waikino. It's not far from Waihi, but the...

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Martha Mine | PhotoTale

Apr 26, 2010 ... In 1890 the Martha Company and other claims were bought by the Waihi Gold Mining Company of London, who invested a great deal of capital into the mine. ... situated location to preserve the historical building and you can view the process from here (http://www.marthamine.co.nz/corn_pump_move.html).

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media release icsid tribunal finds in favour of government of ... - italaw

Oct 14, 2016 ... OceanaGold inherited the arbitration process when it acquired Pacific Rim Mining Corp. in November 2013 and the ... as New Zealand, the Philippines, and the United States. Over this time the ... Zealand, the Company operates the high-grade Waihi Gold Mine while on the South Island of New Zealand,.

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

May 1, 2015 ... Newmont Waihi Gold. Photo supplied. Previous; Next. 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. The combined operations will...

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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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Gold mining a toxic legacy.. – Puhipuhi Mining Resistance

The process produces so much toxic waste that storage at or near the mine, forever, is the only viable way to manage it. The waste tailings ... The process leaves this toxic legacy whether the mining is from an open pit or from tunnels under the ground. This is ... mining days. Source:/http://www.waihigold.co.nz/about/history/.

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New Zealand – OceanaGold

It also includes the Reefton operation on the west coast. In 2016, OceanaGold announced Reefton would be put under care and maintenance and subsequently announced the Company is commencing closure and rehabilitation activities. On the North Island of New Zealand, OceanaGold acquired the Waihi Gold Mine from...

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NZ a great place for mining - Straterra

The Canada-based Fraser Institute conducts annually a survey of mining company perceptions of doing business in minerals-bearing jurisdictions around the world. In 2013-2014 this public policy ... A regulatory process must be followed in the case of Crown land to obtain an “access arrangement”. Learn more from the...

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

which extends to 12 nautical miles off the New Zealand coast. The Ministry of economic .... an open pit mine and a processing plant. In 2013, the ..... March 20, 25 p. waihi Gold Co. ltd., 2013, Newmont—Mining: waihi, New Zealand, waihi Gold. Co. ltd., 3 p. (accessed august 28, 2014, at http://www.waihigold.co.nz/mining.)...

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Lane Associates - Waihi Gold Safety Risk Assessment

Application of the RISQUE method to determine individual and societal safety. ... Malcolm completed a worker safety risk assessment for the Waihi Gold Mining Company in support of its continued operation following ground subsidence and satisfied the Council that it did not need to close the mine for safety reasons. [Back].

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Digging for Gold | S.U.R.E. - National Library

Sep 9, 2014 ... You find gold far underground, in dark, filthy, deadly mines.' – Frank Underwood, House of Cards-. One of the guiding principles of being 'S.U.R.E' involves delving deep into your research inquiry. More often than not, the essence of things can only be obtained when you go beyond the surface level. In gold...

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

Effective interactions between a mining company and a host community tend to foster mutual understanding and trust, leading to higher levels of acceptance of those operations. The Waihi gold mining operations in New Zealand, which consist of an open pit, several underground operations, a processing facility and waste...

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

Oct 29, 2015 ... DENVER --(BUSINESS WIRE)-- Newmont Mining Corporation (NYSE: NEM) (“Newmont” or “the Company”) has completed the sale of Newmont Waihi Gold Limited in New Zealand to OceanaGold Corporation (TSX/ASX/NZX: OGC) (“OceanaGold”), receiving cash proceeds of US$101 million . The sale...

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Backpacking in New Zealand: Waihi Gold Mines - Don't Stop Living

Aug 1, 2012 ... On this stretch of road above, and on my last day in New Zealand we stopped just past the village of Waihi, to see the gold mines… Some tourist ... A touristy reconstruction of the cogs that grind the rocks etc. as part of the mining process. We didn't hear ... http://www.waihigoldminetours.co.nz/. Key Song –.

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