• 24-hour service
  • Zhengzhou, China
Blog
  1. Home
  2. Blog Detail

The mining process waihi gold

Aug 20, 2021

The First Waihi Gold Mining Compnay. 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. At the time, trials were being carried out to find a more efficient way to extract precious metals from the quartz rock

Get Price

Popular products

  • the mining process waihi gold
    the mining process waihi gold

    Waihi Gold operates both the Martha Mine open pit and the Correnso underground mines in Waihi. Mining at Correnso completed in Q1/20; narrow vein mining to continue throughout the year. Process plant shutdown for Q2/Q3 2020 and then restarted in Q4 2020 for batch processing of narrow vein ore; then shutdown until Q2 2021

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Dec 07, 2021 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

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Martha Underground Project, Waihi. The Martha underground project is a gold project in the Waihi gold mine in the North Island of New Zealand. The Martha underground gold project is estimated to contain indicated resources of 4.92Mt. Image courtesy of OceanaGold. The project is expected to start production in the second quarter of 2021

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    The mining process an overview for students Waihi Gold. The first part of the mining process involves finding the minerals. Exploration for gold and silver for modern mining in Waihi began in the 1970s and prospecting continued into the 1980s. Diamond drills bored into the ground at an angle of 45 and collected core samples from various depths

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    The PEA for the Waihi District Study indicates: An initial 2.4 million ounces of contained gold over 15 years from multiple sources of ore feed. Extended mine life to 2036+. Investment in New Zealand around US$1.4 billion. Potential for 300 additional jobs

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    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. 

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Discover modern gold mining up close and on a grand scale. Learn how today’s miners get the gold out of the rock and into gold bars. 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

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    OceanaGold’s acquisition of Waihi Gold in 2015 deepened the company’s Kiwi roots, enabling it to share decades of mining innovation and leadership to advance the development of Waihi’s gold and silver resources. At Waihi, we currently operate a successful underground mining operation and are actively exploring in the region

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Dec 07, 2021 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

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Jul 27, 2020 Waihi, in particular, grew around the mining operations since the discovery of gold in the area over 150 years ago. Today, the town’s motto is “the heart of gold mining in New Zealand”. The critical path for success is permitting and while the New Zealand permitting process is prescriptive, OceanaGold is very familiar with it

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    The Mining Process – Waihi Gold. The Mining Process. 1. 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 . More

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Aug 20, 2021 The actual mining of gold is just one step of the gold mining process. Learn how gold is mined and the five stages of a large scale gold mining project. Chat. Gold processing . Britannica.com. Egyptian wall reliefs from 2300 bc show gold in various stages of refining and mechanical working. During these ancient times, gold was mined from alluvial

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Dec 13, 2021 Employee testimonial: Justin Johns, Waihi Operation Process Manager. For Justin Johns – who joined OceanaGold in 2010 and has worked at the Globe Progress Mine, Macraes Operation, Haile Gold Mine and Waihi Operation – OceanaGold is a career destination with real growth potential. Justin Johns spent his whole childhood in Kalgoorlie but has

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    3 g/t. For this reason, the gold extraction process is largely a series of concentration steps. As gold and silver usually occur together and have similar chemistry, these steps do not usually separate the gold and silver. The ore used by the Waihi Gold Mining company contains, on average, 2.9 g/t gold and 30 g/t silver

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Complex RMA process ahead “These new proposals have the potential to see mining extended in Waihi to 2037, which will bring measurable economic benefits to the town and district. However, there is a complex and rigorous legal RMA process ahead with many things to consider before any mining can occur”, said Mayor Adams

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Jul 24, 2020 Waihi, in particular, grew around the mining operations since the discovery of gold in the area over 150 years ago. Today, the town's motto is

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    A visit to the museum involves a talk, some hands-on activities and exploration of the museum exhibits. The talk briefly covers the following: How mining began in Waihi. The early mining process of extracting the gold from the quartz rock. What it was like working in the mine around 1900. The museum exhibits include: A replica underground tunnel

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Dec 01, 2020 OceanaGold’s Waihi proposals condemned by local groups. By Matthew Hall 01 Dec 2020. Multinational gold producer OceanaGold has been accused of “mining by stealth” in a New Zealand conservation area by Coromandel Watchdog of Hauraki, an umbrella group representing various anti-mining environmental groups on the Coromandel Peninsula

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Jul 17, 2020 Mining company OceanaGold has announced their intention to apply for consent to build a significant new project in Waihi. Named ‘ Project Quattro’, the proposal involves four major activities - an expansion of the Martha open pit, a new pit to the south of Waihi, a rock stack and a third tailings storage area

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Jul 17, 2020 The Waihi District preliminary economic assessment (PEA) from OceanaGold suggests an additional 2.2 million oz. of gold output from

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    About. Waihi Gold Mine Tours offers visitors a unique opportunity to get to know Waihi's fascinating historic and current gold mining story. You’ll be fitted out with safety gear as you board our mini-bus, given a safety briefing then taken inside the security fence to view the mine operations from the best available vantage points

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    The mining process – an overview for students 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. The first part of the mining process

    Read More
  • the mining process waihi gold
    the mining process 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 located two kilometres away in a rural area

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Ore processing consists of the following stages: crushing and grinding of the ore addition of process water (generally decanted from the tailings pond) to form a slurry addition of lime to the ore, and cyanide solution to the slurry, to leach the gold and silver into solution addition of

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    The Mining Process. Gold refining. Gold refining. What happens to the gold and silver after it leaves Waihi? Dor bullion from the Martha and Correnso mines in Waihi is delivered to the refinery at the Western Australian Mint. Bars are checked, weighed, and their description recorded on a computer and in a manual register

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    OceanaGold is proposing to extend the life of mining in Waihi through the development of the proposed Waihi North project and the proposed Martha Open Pit project

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    May 28, 2020 Mining in Waihi has a history that spans three centuries after gold was first discovered in the 1800s. Our Waihi Operation in the North Island of New Zealand is an underground and open pit operation. In early 2019 OceanaGold received consent to develop the Martha Underground. This project extends the life of the Waihi mine by at least ten years and

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    After sampling and mapping, some areas require blasting to loosen the rock prior to excavation. Other areas can be mined using a bulldozer. Ore and waste rock are mined by excavators loading onto trucks. In the open pit the trucks take their loads to

    Read More
  • the mining process waihi gold
    the mining process waihi gold

    Throughout the extraction process at the Waihi Gold mill, samples of solution, solids and activated carbon are removed for analysis to determine the efficiency of the process. The solids and the carbon samples are analysed by the fire assay technique for gold and aqua regia for silver. The solutions are aspirated (turned into a fine mist) into an AA Spectrophotometer

    Read More