This is a vertical extent of approximately 2,000 metres below surface (mbs). As deep drilling continues to intersect the Gwalia Mine Sequence at depth, the Gwalia Mass Extraction approach offers a way to realise this further potential. Mining operations are some of the deepest in Australia, with current production levels 1,500m below surface, and decline approaching 1,600m. Nevertheless, and during the period 1897-1963 the mine produced 2.644 million ounces (82.24 tonnes) of gold down to a depth of 1,080 metres (3,543 ft) using an incline shaft. Currently the backfill plant operates at approximately 185 tph, delivering 130 m3/h of paste fill to a depth of approximately 1,500 m below surface. St Barbara approved the project to extend the historic Gwalia gold mine to at least 2000 metres below surface in March 2017. Proven experience Byrnecut Mining Pty Ltd was established in 1987 as a contract mining company. The Gwalia Mine was commissioned by St Barbara in October 2008 and two years later commissioned the King of the Hills Mine that is located 42 kilometres away. Binding agreement signed for 80% of the Gold Rights at Forrestania Gold Project. Gwalia is a former gold-mining town located 233 kilometres north of Kalgoorlie and 828 kilometres east of Perth in Western Australia's Great Victoria Desert.Today, Gwalia is essentially a ghost town, having been largely deserted since the main source of employment, the Sons of Gwalia gold mine, closed in 1963. to Mining News, Mining Journal Intelligence World Risk Report 2020 (feat. Trucking at further depth … The mine produces in excess of 200 koz of gold per annum. This is a vertical extent of approximately 2,000 metres below surface (mbs). The owners of the Gwalia gold mine in Western Australia's northern Goldfields have revealed to the stock market that the fall of ground occurred on September 8 about 1,600 metres below the surface. 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But it has been a defining decade in Gwalia’s history, during which the mine has produced more than two million ounces of gold. The mine primarily exploits the Vaal Reef (VR) with a twin shaft system. During this time it produced 2.644 million ounces (82.24 tonnes) of gold down to a … By this time, the mine had raised over 3 million tons of ore and continued to be one of Western Australia’s most economical. The $100 million project, which remained on track after the December 2018 quarter, is expected to take up to three years to complete. The Sons of Gwalia and Tower Hill deposits are within the lower part of Association 1 (Kalnejais, 1990). Gwalia goes deeper still St Barbara has extended resources at its Gwalia gold mine to 2,200m below surface as it prepares to drill a hole to 2,600m depth. Mining is currently 1540 m below surface. We have successfully undertaken contracts in... Byrnecut is the leading mechanised underground mining contractor in the world offering a professional, reliable service optimising the development and production of mineral resource projects… Learn more, We offer clients a safe, efficient and professional contracting service to assist in optimising the development and production of their mineral resources globaly… learn more. Investment. The ore from this mine is processed at the Gwalia Processing Plant. Gwalia compares favourably against other ASX listed gold mines on grade, reserve size, mine life, annual production and cost per ounce. Modern underground mining commenced in 2001 with the construction of a haulage decline from the surface. Although mining at TauTona currently takes place at depths ranging from between 1.85km to 3.45km, its mining depth was extended to 3.9km underground with the addition of a secondary shaft in 2008. Gwalia kept St Barbara going during the downtimes, with cashflow from the deeps offsetting big losses on Pacific projects acquired in a $556 million takeover of Allied Gold. In line with good operational practice, and as a reaction to a series of borehole blockages, Gwalia has undertaken an operational review of its backfill system. Exceptional investment opportunities selected by Mining Journal, Seeking expressions of interest from highly qualified individuals - Principal Study Manager, Acacia is assisting Orelogy with the appointment of their new Principal Mining Consultant, Acacia is assisting Auteco Minerals with the appointment of their new Executive Director - Technical, Flanagan's CZR could follow in Atlas' footsteps, Newcrest unveils maiden Havieron resource, Azure hitting nickel where EM modelling predicts. The Gwalia deposit has an Ore Reserve grade of 8.3 g/t Au, a mine plan to FY 2024, and remains open at depth. The operation continues the development of an ore body that has already produced four million ounces from open cut and underground operations. The mining resumed 2008, and was obviously boosted by the raising gold price. Gwalia is the deepest trucking mine in the world and has reached a depth … St Barbara Limited acquired Allied Gold Mining Plc in 2012. Gwalia Deeps hole successfully intersects Gwalia Mine Sequence Drilling has been completed on a 2.2 km long diamond hole on the Gwalia deposit targeting down-plunge extensions to the lode system approximately 400 m below the base of current underground workings. Subscribe today and enjoy full access to MiningNews.net - the most comprehensive source of mining industry news and information on global commodity price movements and trends. Truck haulage is still used for ore production, with haul distances well in excess of 10km. Aspermont Limited (ABN 66 000 375 048), PO Box 78, Leederville, Western Australia 6902. The Gwalia mine is a deep, all-trucking mine and is serviced by a 10 km long decline from surface. Discover the methodology behind our development-asset database, along with a sample... 2020 Edition: Exclusive global investment study of the leaders in the US$150 billion... Providing investors with access to the very best mining projects from exploration to production. Stoping methods are longhole open stoping with paste fill. Today, mining at Gwalia has reached a depth of 1,660 metres below the surface and the plan is to reach 2,300 metres by 2031. Continued trucking will suit the deepening Gwalia orebody and extend the mine life to the 2031 financial year, with mining at up to 1.1 million tonnes per … The mining method emp… The Sons of Gwalia Gold Mine was originally established by Welsh miners in 1896. Reserves extend to 1820 m below surface and are open at depth. Today, mining at Gwalia has reached a depth of 1,660 meters below the surface and the plan is to reach 2,300 meters by 2031. Exploration / Development > … Ore Reserves at 30 J une 2017 extend ed down to 2140 mbs and Mineral Resources extend ed to 2200 mbs. After two years of redevelopment, the first gold pour from the current operations occurred in October 2008 and a year later, the first 100,000 ounce milestone was reached. Earlier History of the Sons of Gwalia Mine. 1) The focus on the Stirling block is to drill along strike and down plunge to test the systems at depth. Mining at Gwalia is planned to reach a depth of 2,300 metres below the surface by 2031 The owners of the Gwalia gold mine in Western Australia's northern Goldfields have revealed to the stock market that the fall of ground occurred on September 8 about 1,600 metres below the surface. Gwalia surface infrastructure. Online. The Gwalia Mine was commissioned by St Barbara in October 2008 and two years later commissioned the King of the Hills Mine that is located 42 kilometres away. Virtual meetings make for a dry AGM season, Power upgrade paves the way for Gruyere expansion. The Crystalkop Reef (CR) comprises the secondary economic horizon for the mine. Mining operations are some of the deepest in Australia, with current production levels 1,500m below surface, and decline approaching 1,600m. Gwalia Mine The Gwalia mine is the cornerstone of Leonora operations with 2.1 million ounces of gold in reserves at a grade of 6.4 grams per tonne. Mining is currently 1540 m below surface. Gwalia goes deeper still St Barbara has extended resources at its Gwalia gold mine to 2,200m below surface as it prepares to drill a hole to 2,600m depth. The Gwalia mine is estimated to have 2.1 million … St Barbara suspended all work at depth as authorities worked to assess the seismic information. Byrnecut employs almost 270 people on a predominantly fly-in, fly-out basis from Perth. Try MiningNews.net for 30 days for ONLY $1, Gwalia shortfall was greater than expected, Gwalia success key to Swick demerger plan, Mining Briefs: St Barbara, Magnetic and more, Hillgrove delivers 110% increase in Kanmantoo resources, West African again confirms deep promise at Sanbrado, OceanaGold commits to net zero emissions by 2050, Metso Outotec provide Slurry Pump Basic Handbook to industry, Digbee talks the rebirth of independent investment research, How to maximize slurry pumping efficiency in mining applications, Micromine's global summit unpacks the future in mining software, Pumping up gold production rates at Greenfields Mill, Sandfire soars as it plans to kick off next copper mine, Copyright © 2000-2020 Aspermont Ltd. All rights reserved. Analysis of the Phase 1 drilling data using a Grade x Width contouring technique has determined that the Main Zone mineralisation has a very steep plunge to the northwest. Truck haulage is still used for ore production, with haul distances well in excess of 10km. Heavy mobile equipment. MODERN MINERS REACHING NEW DEPTHS. Heat back on Rio after release of Juukan Gorge report... IWiM 2021 mentoring program launches with major backing... ST Barbara has extended resources at its Gwalia gold mine to 2200 metres below surface as it prepares to drill a hole to 2600m depth. Currently the backfill plant operates at approximately 185 tph, delivering 130 m3/h of paste fill to a depth of approximately 1,500 m below surface. The Lalor brothers purchased the mine in 1983 and open cut mining commenced one year later. The open pit above exploited a horseshoe-shaped envelope above the high-grade lodes. 1 . St Barbara has suffered a setback to its operations at the Gwalia gold mine after a fall of ground event at the Western Australian mine. Gwalia Museum Precinct is open Hoover House, the old Mine Office and Assay building are open for visitors to view and wander though. Gwalia has a 500 metre strike length to at least 1750 metres in depth. St Barbara Limited acquired Allied Gold Mining Plc in 2012. Leonora reserves stand at 11.1 million tonnes at 6.8 grams per tonne gold for 2. By 1919, the Sons of Gwalia Mine was the deepest mine in Western Australia, with its incline shaft just short of 4,000 feet (1.2 km) in length. The main underground ore shoots at the Sons of Gwalia Mine are Main Lode, West Lode, South Gwalia Series, Hangingwall Series, and South-West Branch. It consists of two main components, a ventilation upgrade and paste aggregate fill. Leonora Underground Mine is located 3 km S from Leonora, Western Australia, Australia. 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