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About: Vaal Reefs
Vaal Reefs is a gold bearing reef which is mined near the town of Orkney in Dr Kenneth Kaunda District Municipality in the North West province of South Africa. The town of Orkney is home to a large gold mining operation originally owned by AngloGold Ashanti, a company that was originally incorporated in 1944 under the name of Vaal Reefs Exploration and Mining Company Limited.
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Our history
Vaal Reefs Exploration and Mining Company Limited (Vaal Reefs), the vehicle for the consolidation, changed its name to AngloGold Limited and increased its authorised share capital, effective 30 March 1998. AngloGold acquired minority shareholders interest in Driefontein Consolidated Limited (17%); Anmercosa Mining (West Africa) Limited ( ...
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A Geometallurgical Characterization of the Vaal Reef A-Facies at …
Six samples of the Vaal Reef A-facies were collected in-situ from the underground operations at Moab Khotsong mine for mineralogical study and metallurgical tests. Laboratory scale leaching tests for gold (cyanide) and uranium (sulphuric acid) were carried out using dissolution conditions similar to that in use at the Great Noligwa treatment ...
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Gold-Bearing Reefs of the Witwatersrand Basin: A Model of
System (shales, dolomites, and volcanics); the Vaal Reef is not thick but is enriched in gold. The mining here reached the record depth of 3.5 km. In total, more
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Moab Khotsong mine, South Africa
A gold mine near the towns of Orkney and Klerksdorp, about 180 km south-west of Johannesburg, in Gauteng, South Africa. ... The Vaal reef (VR) consists of a thin basal conglomerate (the C-Facies ...
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The Truth About The Deadly Vaal Reefs Tragedy
Per Mining Technology, the mines at Vaal Reefs account for 90% of the gold mined in the area.In May 1995, more than a hundred people died in a mining disaster and others more were left injured. Miners, who had just finished a day's work 1.4 miles (2.3 kilometers) below ground, boarded a two-floor elevator to take them back up to the surface at approximately …
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Locality map of the AngloGold Ashanti Vaal River
The C-Reef has a slightly higher gold distribution within the sinks fraction than the Vaal Reef, suggesting that the C-Reef may contain a population of slightly coarser and better liberated gold ...
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Great Noligwa Gold Mine, South Africa
The reefs mined at Great Noligwa are the Vaal Reef and the Crystalkop Reef, with the Vaal Reef accounting for over 90% of the gold produced in the mine. The Vaal Reef consists of 85% of the ore reserve tonnage with …
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Operational Profile 2016: Vaal River, South Africa
newest South African mine, is located in the Free State and has a single shaft system mining to a depth of 3,100m. Given the geological complexity of the Vaal Reef, the mine's principal reef, scattered mining is employed. Great Noligwa's operating infrastructure and employees have been incorporated into Moab Khotsong since 2015.
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Sequence stratigraphy of the Vaal Reef facies associations in the
The facies included in the Vaal Reef package at the Great Noligwa Mine incorporate the channelized Zaaiplaats conglomerates and quartzites, and the G.V. Bosch conglomerate (Fig. 5). ... The Stilfontein conglomerate is the main gold bearing horizon at Kopanang Mine. Planar cross-bedding in the lower portion of the quartzites, pass upward to ...
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Buffelsfontein Gold Mine Near Klerksdorp, South Africa
Gold mining deposit report for "Deposit #Usgs10078491" (#USGS10078491) in North West, South Africa. ... MAX THICKNESS REFERS TO THAT OF THE VAAL REEF. AVE. THICKNESS 1. 00 METER. GOLD-BEARING CARBON SEAM AT BASE OF VAAL REEF: 0. 20 METER IN THICKNESS. THIS RECORD INCLUDES DATA FROM RECORD M046867 WHICH HAS …
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vaal reef gold mine hospital
vaal reef gold mine hospital - hotelshalam. vaal reef gold mine hospital For each project scheme design, we will use professional knowledge to help you, carefully listen to your demands, respect your opinions, and use our professional teams and exert our greatest efforts to create a more suitable project scheme for you and realize the project investment value and profit more …
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A geometallurgical characterization study of the Crystalkop Reef …
The paper also draws comparisons between the C-Reef and the Vaal Reef A-facies (Vaal Reef) and attempts to explain minor differences in the recovery of gold and uranium from these two sources.
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S. African Mine Tragedy Kills 100
Officials at the Vaal Reefs Mine, one of this country's richest gold mines, announced that no survivors were found when rescue workers reached the twisted metal and mangled bodies almost 1 1/2 ...
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OPERATIONAL PROFILE VAAL RIVER, SOUTH AFRICA
Moab Khotsong is the newest gold mine in South Africa. Stoping operations began in November 2003, with the mine expected to reach full production in 2013. Given the geological complexity …
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Mining a Narrow Tabular Reef at Depth with Reference to Rock …
Vaal Reefs Exploration and Mining Company Limited operates one of the largest producing gold mines in the world. The annual production of 76 tons of gold from 12 million tons of ore treated is obtained mainly from underground sources. Daily some 6.6 km of stope face is blasted and 41 tons of explosives is used to break the rock. The mine employs 45 000 men of …
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Mine disaster pushes safety to top of political agenda
This week's Orkney mine accident comes on the eve of the report of a judicial commission on mine safety, reports Eddie Koch The accident at the Vaal Reefs Mine near Orkney, which killed up to ...
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Vaal Reefs mining disaster
The Vaal Reefs mine disaster occurred on 10 May 1995 when an underground locomotive in the Vaal Reefs gold mine in South Africa fell into the mine shaft, hitting an elevator carrying mine workers, and causing it to plunge to the bottom of the shaft, killing 104 miners. [1] [2] It is the worst elevator accident in history.[3]
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Orkney Gold Mine
Orkney is a large 7 shaft mine on a mining right that covers an area of 10,561.7 ha. It was originally owned by Anglo American, which later became AngloGold Ashanti Limited, and was art of their Vaal Reef Operations. African Rainbow …
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Hartebeestfontein Gold Mine Near Klerksdorp, South Africa
Gold mining deposit report for "Deposit #21422" (#21422) in North West, South Africa. ... TO MINE VAAL REEF MATER, ALL IN THAT AREA. DUE TO LACK OF DATA FIELD SPACE, THE FEED GRADES OF THE COMMODITIES WERE ROUNDED. THERE ACTUAL FEED GRADES ARE: GOLD-0. 00098%, SILVER-0. 000098%, U-0. 01860.
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Stilfontein Gold Mine Near Klerksdorp, South Africa
Gold mining deposit report for "Deposit #21416" (#21416) in North West, South Africa. ... MAX THICKNESS REFERS TO STOPPING WIDTH OF VAAL REEF. PRINCIPAL GOLD BEARING CARBON SEAM AT BASE OF REEF: 0. 10 METER IN THICKNESS. THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD M046869 WHICH HAS BEEN DELETED FROM MRDS.
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Vaal Reefs Leach Plant
The mining operations at Vaal Reefs Leach Plant encompass seven distinct surface and underground workings, facilitated by a network of 24 shafts. The deepest point of the mine …
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Sequence stratigraphy of the Vaal Reef facies associations in the
The main economic gold-and uranium-bearing conglomerate mined in the Klerksdorp goldfield is the Vaal Reef, which is located within the Central Rand Group of the Witwatersrand Supergroup (Minter ...
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Location map showing the location of the Moab Khotsong gold mine …
The data were acquired using a vibroseis source and 10 Hz geophones, at 50 m source and receiver spacing. 47 A record length of 6 s and sampling interval of 2 ms were used, while the recording was ...
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Kopanang
The operating company, Village Main Reef, undertook a restructuring plan aimed at restarting the mine in September 2020 but no official restart has been released. This report …
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Sequence stratigraphy of the Vaal Reef facies associations in the
The Vaal Reef package comprises an association of vertically stacked facies that display distinct lateral variations from the Kopanang Mine in the west to the eastern boundary of the Great Noligwa Mine. The facies included in the Vaal Reef package at the Great Noligwa Mine incorporate the channelized Zaaiplaats conglomerates and quartzites, and ...
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Vaal Reefs Mine, South Africa, and the Role of the Geologist
Vaal Reefs Mine annually produces some 75 tonnes of gold. Stoping operations, using a scattered mining method, are conducted on several reef horizons within Witwatersrand Supergroup metasediments of the Klerksdorp Goldfield. Current grades average 7.19 g/t Au over a 133cm stoping width. The reef horizons, of which the Vaal Reef is the most important, …
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Kopanang Mine
The mine operates at depths of 1,350 to 2,240 metres below surface and is accessed by one of the largest diameter shafts in South Africa. Around 3,000 people currently work at the mine, producing around 85,000 oz of gold annually. VMR. Tel: +27 87 806 1160 ext 9991. Email: [email protected].
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S. African Mine Tragedy Kills 100
Officials at the Vaal Reefs Mine, one of this country's richest gold mines, announced that no survivors were found when rescue workers reached the twisted metal and …
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Moab Khotsong Mine | South Africa | Underground
The mine exploits the Vaal Reef as its primary orebody. The economic reef horizons are mined between 1 791m and 3 052m below surface. Ore mined is processed at the Great Noligwa gold plant. The plant uses the …
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