The geological map focusses on the trans-crustal Waihemo Fault Zone, the economically significant Hyde-Macraes Shear Zone and the western edge of the Canterbury Basin. The inland geology is dominated by Rakaia Terrane rocks, while coastal and offshore areas are dominated by Zealandia Megasequence rocks. The geological map portrays the known …
At Oceana Gold's opencast mine in Macraes Flat, east Otago, only 1.5 g of gold is extracted per tonne of rock mined and everything is on a grand scale. Tyres on these trucks are 3 m high and cost $25,000 apiece. ... Although environmental activists maintain that gold-mining is an alien and environmentally unfriendly land use, mined land can ...
The Macraes gold mine in East Otago, operated by OceanaGold Corp., is New Zealand's largest gold mine and has produced over 4.3 Moz of gold from its open pit and underground operations since ...
Abstract. Orogenic gold deposits are typically dominated by quartz veins in faults. Historic mining at Macraes focused on scattered small quartz veins, with only minor Au production. Modern exploration and mining has developed from these small beginnings into a world class mine operation which has produced >4 million ounces of Au from a …
OceanaGold expects to produce about 1.11 million ounces of gold, or around 150,000 ounces annually between 2021 and 2027, with all-in sustaining costs of US$1,025/oz from July 1 over the extended life of mine, according to a Sept. 10 news release. The mine life of the Frasers underground mine, which commenced production in …
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ABSTRACT Roasted residues from historic gold mine processing at the Golden Point historic reserve were thoroughly cemented by surfical processes. The cements are composed mainly of oxidised and acidic Fe–As–S minerals with varying particle size and crystallinity. Bukovskyite (Fe2[AsO4][SO4][OH].7H2O) and scorodite (FeAsO4.2H2O) …
Key highlights. Macraes life of mine (LOM) extended to 2028. Before-tax net present value (NPV) (5% discount rate) of approximately US$430 million. After-tax NPV5% of approximately US$325 million. Frasers Underground extended to 2022; Golden Point Underground first production expected in 2021. Initial Golden Point proven and probable …
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As at June 30, 2020, the Company increased Macraes Proven and Probable Mineral Reserves by 240,000 ounces of gold, net of mine depletion inclusive of Golden Point's initial Mineral Reserves of ...
Macraes Gold Mine Otago, New Zealand Effective Date: June 30, 2020 Report Date: September 25, 2020 Report Prepared for ... Matthew Hine, BEng (Hons) Mining OceanaGold General Manager Macraes Philip Jones BAppSc (Hons) Geology, MAIG (OceanaGold Exploration & Geology Manager, Macraes) DocuSign Envelope ID: …
Macraes Mine – Past. To be honest, it is often the history that attracts us to visit places. Gold was first discovered at Macraes Flat in 1862 setting a gold rush in motion. Alluvial gold deposits were found in Deepdell Creek. Back then, shovels, pans, cradles and sluice boxes were used to extract the gold. The Dwellings
The management of tailings and the structural integrity of our tailings storage facilities are critical to community safety and environmental protection. Our tailings storage facilities (TSFs) are engineered structures designed and constructed to hold mineral waste (tailings) from our processing facilities. We design, construct and manage TSFs ...
The Macraes gold deposit is the largest active gold mine in New Zealand. The mine has produced more than 1.8 million ounces of gold at an average grade of 1.6 grams/tonne since opening in 1990. The mine is operated by Oceana Gold (NZ) Ltd Gold production in 2004 was more than 184 000 ounces (5.7 tonnes). More than 5 million tonnes of ore per ...
The Macraes open pit gold mine is located 100 kilometres north of Dunedin in the Otago Region on the South Island of New Zealand. It is the largest operating gold mine in New Zealand and is both owned and operated by international gold mining company, OceanaGold Corporation. Frasers underground gold mine that began gold production in …
Mining at Macraes has come from thirteen pits comprising (from north to south), Coronation North, Coronation, Deepdell North, Deepdell South, Golden Point, Northwest Pit, Round …
Real-Time News, Market Data and Stock Quotes For Junior Mining Stocks. OceanaGold Announces Significant Intercepts at Golden Point Within the Macraes Goldfield in New Zealand - Junior Mining ...
As at June 30, 2020, the Company increased Macraes Proven and Probable Mineral Reserves by 240,000 ounces of gold, net of mine depletion inclusive of Golden Point's initial Mineral Reserves of ...
Macraes Operations is a New Zealand's largest active gold producing mine, consisting of a large-scale surface mine, an underground mine, and an adjacent process plant, located in the Otago region of the South Island, …
The Macraes Operation includes the Coronation, Coronation North, Innes Mills, Deepdell and Frasers open pits, Frasers (FRUG) and Golden Point (GPUG) underground mines, …
OceanaGold's new general manager at Macraes is already focused on the challenges ahead to produce a further 1.1 million ounces of gold during the next eight years. Mike Fischer, who started in the Macraes GM role in late-September, tells Inside Resources he's focused on strategic business development outcomes, safety and risk management ...
In January 1994, Macraes Mining Company started a new phase of exploration to find additional resources along strike and down dip of identified resources for a mill that was being expanded from 2.1 Mtpa to 3.2 Mtpa. At 30th June 1997 a total of 456,784 m in 3,627 holes had been drilled at the Macraes Gold Project with approximately 325,000 m in …
Where old meets modern farming and gold mining. Visit, Explore, Experience & Have a Gold Old Time. ... (Right) Macraes gold doré bars weigh on average 15 kilograms (460 ounces) and have a 95% purity. Each doré bar is worth around NZ$ 1 million. Since opening in 1989, the OceanaGold Macraes Operation has produced over 5 million ounces of gold.
In 2015 the company made a payment to the Macraes Community Development Trust of $1,558,393 NZD to support the development of the Macraes Village beyond mining. In 2019, Macraes made $25,463,754 NZD in payments to local, regional, and central government (i.e. taxes, royalties, and rates) and $188,388,934 NZD to local and national …
In late October 2021, OceanaGold's Macraes gold operation on New Zealand's South Island celebrated an important milestone – first production from the new Golden Point Underground mine, with 5,000 t of ore being moved to the mill for processing. ... Mike Fischer, said innovation like this was central to the mining approach at the …
(Craw & Norris 1991). Total gold production from Otago has been over 2401 (Williams 1974), and the Macraes mine currently (1995) produces about 3 t/yr. MACRAES GOLD DEPOSIT The Macraes gold deposit occurs in a regional duple x thrust fault zone, the Hyde-Macraes Shear Zone, which is c. 25 km long and 5-100 m thick (Teagle et al. …
