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  • New Zealand Mindat

    New Zealand is also divided into 67 territorial authorities, consisting of 13 city . Macraes Mine, Macraes, Waitaki District, Otago Region, South Island, New . The North Island is politically divided into Northland, Auckland, Bay of Plenty, . for the tourist trade, and is commonly found for sale in New Zealand. . Mineral List.

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  • Zeehan Mine, Waiomu, Thames Coromandel District, Waikato .

    May 14, 2018 . Zeehan Mine, Waiomu, Thames Coromandel District, Waikato Region, North Island, New Zealand : Former gold mine. . The ore contains quartz, pyrite, galena, sphalerite, and chalcopyrite, which presented . installment for the now worthless shares he had agreed to buy from a securities company.

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

    New Zealand has metallic mineral occurrences of antimony, bauxite . Exports were valued at NZ$64.2 billion (US$50.6 billion), which was . sulfur was set at 2% of net sales revenue once the accounting . safety regime following the Pike River coal mine tragedy in .. the erosion of andesitic and rhyolitic volcanic rocks.

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  • Other Metallic Ores 1966 Encyclopaedia of New Zealand Te Ara

    Apr 22, 2009 . Metal ore mining in New Zealand . titanomagnetite, a resistant iron mineral, which occurs in small amounts in the parent andesite.

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  • Corporate Presentation OceanaGold

    Apr 30, 2015 . this presentation does not constitute an offer of shares for sale in the United . NWG is the sole owner of the Waihi gold mine and related ore milling . Approval from the New Zealand Overseas Investment Office required . Newmont operations in NZ. . quartz veins within andesitic to ryholitic volcanics.

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  • Mineral, coal and petroleum resources Landcare Research

    natural mineral resources (see Box 1) such as gold, coal, oil, gas, ironsand . of at least NZ$30 billion. Oil was . Statistics on New Zealand's mine production are maintained by New ... andesite volcanoes and volcanic rocks erupted from the Taupo. Volcanic .. which would yield, at 60% recovery, 30 million tonnes of sale .

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  • Mineral resource assessment of the northland Region, New Zealand

    Estimates of value for 16 metallic mineral deposit types total NZ$5,235 million, .. Gross values have been calculated from the market price or sale price of the . mineral commodity reports published in New Zealand Mining (e.g. Christie et al. .. Hunua facies in Northland, dominantly contain andesitic volcanic rock.

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  • New Zealand Mining 27 New Zealand Petroleum and Minerals

    aggregate are greywacke sandstone, basalt and andesite (Fig. 5). Basalt and . Figure 2: Locations of selected industrial mineral deposits in New Zealand. Industrial Minerals in .. 60 km southeast of Auckland, is in a former coal mine from.

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  • gold field formation in New Zealand Goldmine Experience

    . of New Zealand's total gold production), mostly from deposits hosted by andesite and dacite. . The mine was reopened in 1988, and is the second largest in New Zealand, . Small quantities of ore grade gold silver mineralisation have been deposited by . Maps and text have been excerpted from > NZ Minerals website.

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    32 New Hauraki Properties Mine . .. 74 Young New Zealand Mine . . 91 Return of Stone, &c, crushed, Auckland District (including Coromandel, Ohinemuri, and Te Aroha) . ... in the treatment of ore and tailings from all parts of New Zealand. .. Deducting the value of the sales of water from the value of the gold obtained,.

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  • On Mining in New Zealand. Transactions and Proceedings of the .

    The earliest mine opened in New Zealand was at the Island of Kawau, which now . Together with these ores, chromium, zinc, antimony, arsenic, and others in .. These Diorite rocks are found along a line that extends almost continuously .. part of a formation that occupies a very extensive area in the Auckland province.

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  • Thames School of Mines Heritage New Zealand

    Today, a visit to Thames School of Mines opens the book on early New Zealand history, starting with the chief Te Apurangi whose descendants lie in the sacred.

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  • Golden Cross Straterra

    Before. Like many NZ mines, Golden Cross was developed on the site of historic mine workings. Between 1895 and 1920 the old timers produced 80,000 oz. of.

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  • Gold Deposits of New Zealand . Geology for Investors

    Dec 13, 2013 . Figure 2: The Martha Mine operated by Newmont at Waihi in the . It has been estimated that New Zealand's gold resources may be worth over NZ$45 million . The gold veins are hosted within a fine grained volcanic rock, andesite, . New Talisman Gold Mines Limited, a New Zealand company, plans to.

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  • Geology of the Waihi area Waihi Gold

    The old land surface, high above the present Martha Mine, would have resembled . As the dissolved mineral rich water ascended, cooled and the pressure . While the waste rock at Waihi is mainly andesite; volcanic breccia, clays, tuffs and.

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  • Minerals in the Bay of Plenty Region Bay of Plenty Regional Council

    of Plenty is also the leading pumice producing region in New Zealand. . Areas of andesite of ... figures can to some extent be attributed to their proximity to metropolitan Auckland . Figure 2 Industrial Mineral Sales Value by Region (2003) . identify mineral deposits and evaluate the feasibility of mining, which may include.

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