• Witwatersrand Wikipedia

    OverviewGeologyConsequences of mining the ancient Witwatersrand rocksHistorySee alsoFurther readingExternal links

    The Witwatersrand plateau consists of a 5000-to-7000-metre-thick (3.1–4.3 mi) layer of mainly sedimentary rocks laid down over a period of about 260 million years, starting approximately 2.97 billion years ago. The entire series of rocks, known as the "Witwatersrand Supergroup," consists of very hard erosion resistant quartzites, banded ironstones and some marine lava deposits, interspersed with softer, more easily eroded tillites, mudstones and conglomerates. The oldest rocks (laid down 2.97 billion years

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  • Witwatersrand Basin Project WEST WITS MINING

    The Witwatersrand Basin Project (WBP) comprises two historic mining centres on the Northern Edge of the Witwatersrand Basin in the Central Rand Goldfield immediately southwest of the city of Johannesburg. Mining has been taking place within the WBP area

  • Witwatersrand Gold Rush Wikipedia

    OverviewDiscoveryOriginsFounding of JohannesburgSecond Boer WarPrimary sourcesSee alsoNotes

    The first discovery of gold in the region is recorded as being in 1852 in the Pardekraal farm by J.H. Davis, an English miner. He sold £600 of gold to the Transvaal Treasury and was subsequently ordered to leave the country. Another find by Pieter Jacob Marais was recorded in 1853 on the Jukskei River, but was subject to similar secrecy. Though there were smaller mining operations in the region, it wasn’t until 1884 and the subsequent 1886 discovery at Langlaagte that the Witwatersrand gold rush got under way in e

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  • WEST WITS MINING WEST WITS MINING

    West Wits Mining (ASX:WWI) is an experienced gold exploration and development company focused on transforming world class mineral resources into gold. The Company plans to transition to a mid-tier gold producer from its flagship project in the Central Rand Goldfield of South Africa, the Witwatersrand Basin Project (WBP).

  • Witwatersrand Gold Rush The Famous South African Gold Mine

    Jan 28, 2018· The Witwatersrand Gold Rush initiated South Africa’s domination of world gold production. Although legends of a South African “ El Dorado ” existed among the natives of the area, it was not until 1886, when a poor Australian prospector named George Harrison staked the first claim, that the vast riches of the “Rand” were discovered.

  • Largest Gold Deposits in the World Witwatersrand Gold

    IntroductionFormation and MineralizationMining TechniquesGlobal AnaloguesFurther ReadingThe gold fields of the Witwatersrand Basin in South Africa are, by a landslide, the largest single gold producing district in the world. It has produced some 2 billion ounces over a century of mining and at an average grade of 15 g/t Au with a current head grade of 6-10 g/t Au and they still have estimated reserves of some 1,161 billion ounces (36,000 tonnes). Production does not come easy though. Shafts go down some 3,900 meters b在geologyforinvestors上查看更多信息发布日期: Nov 14, 2016
  • Gold Minerals Council South Africa

    The Witwatersrand Basin remains the world’s largest gold resource; Gold sales increased by 3.7% at R72.6 billion in 2019 (R70 billion in 2018) Gold production decreased to 101.3 tonnes in 2019 (117 tonnes in 2018) At the current gold p more than half of the South African gold mining industry is

  • Witwatersrand Basin (RSA)

    Witwatersrand Basin (RSA) The history: By far the most gold that has been mined in South Africa (98%) has come come from the Witwatersrand goldfields. The name "Witwatersrand" is Afrikaans (originating out of Dutch, French and German) for "White Waters Ridge". (mining operations at 3600 m and exploration core-drilling up to 4600m). Peak

  • A history of mining in South Africa (ZA)

    Within a year of gold findings, the area had some 7 000 people with 3 000 living in Johannesburg. By 1895, just nine years after the Langlaagte find, Johannesburg was home to some 102 000 people. To date the Witwatersrand Basin, the largest gold resource in the world, has produced more than two billion ounces of gold.

  • The world's biggest gold mines: Top ten

    South Deep gold mine 32.8 million ounces (Moz) South Deep gold mine is the largest gold mine
  • The Witwatersrand Basin and Its Gold Deposits SpringerLink

    Hayward CL, Reimold WU, Gibson RL, Robb LJ (2005) Gold mineralization within the Witwatersrand basin, South Africa: evidence for a modified placer origin, and the role of the Vredefort impact event. In: MacDonald I, Boyce AJ, Butler IB, Herrington RJ, Polya DA (eds) Mineral deposits and earth evolution.

  • Witwatersrand Basin (RSA)

    Witwatersrand Basin (RSA) The history: By far the most gold that has been mined in South Africa (98%) has come come from the Witwatersrand goldfields. The name "Witwatersrand" is Afrikaans (originating out of Dutch, French and German) for "White Waters Ridge". (mining operations at 3600 m and exploration core-drilling up to 4600m). Peak

  • The Impact Of Gold Mining In South Africa ipl

    Gold mining activities in the Witwatersrand have played a pivotal role in the development and existence of Johannesburg since 1886. Mining made Johannesburg ‘the city of gold’ and has since been the main driving force behind the history and the economic development of Johannesburg and South Africa as a whole (Gass, 2012).

  • The impact of gold mining on the Witwatersrand on the

    Jun 15, 2012· By the end of 1887 there were 68 registered gold mining companies on the Witwatersrand. As with Kimberley it was time for takeovers, consolidation and centralisation. Gold Fields of South Africa Limited was amalgamated with other smaller companies into the Consolidated Gold Fields of South Africa Limited in 1892.

  • South Deep Gold Mine, Gauteng Province, South Africa

    South Deep gold mine geology, reserves and resources. The South Deep mine is located in the Far West Rand Goldfields and forms a part of the Witwatersrand Basin. The mine deposits lie beneath the Karoo Supergroup, Chuniesoort Group, Pretoria Group,

  • Witwatersrand Gold Rush Wikipedia

    Witwatersrand Basin, Johannesburg, South Africa: Outcome: World's largest gold rush ever led to the eventual Boer defeat in the Second Boer War (1899-1902), the loss of Boer autonomy and self-government, and total British rule in South Africa

  • The world's biggest gold mines: Top ten

    1. South Deep gold mine 32.8 million ounces (Moz). South Deep gold mine is the largest gold mine in the world, by reserves. Located 45km south-west of Johannesburg in the Witwatersrand Basin, South Africa, South Deep is also the seventh deepest mine in the world, with a mine depth up to 2,998m below the surface.. The managed mineral reserve at South Deep as of December 2018 stood at 32.8Moz.

  • A history of mining in South Africa (ZA)

    Within a year of gold findings, the area had some 7 000 people with 3 000 living in Johannesburg. By 1895, just nine years after the Langlaagte find, Johannesburg was home to some 102 000 people. To date the Witwatersrand Basin, the largest gold resource in the world, has produced more than two billion ounces of gold.

  • List Of Gold Mines In South Africa South Africa Lists

    Apr 27, 2020· List Of Gold Mines In South Africa And Their Names. South Africa is one of the countries making a lot of people via mining. The mining sector keeps contributing greatly to the country’s economy, and it is a common knowledge that South Africa is blessed with important minerals and metals like s, coal, coal, platinum, and so on.

  • South African Mining Mining Africa

    Minerals:Diamonds, gold, coal, iron ore, chrome, copper, emerald, fluorspar, ilmenite, lead, manganese, nickel, phosphate, silica, tin, vanadium, uranium, zinc and zircon. Independence: 31 May 1910 Area: 1,221,037 km2 Mining fact: The Witwatersrand Basin in South Africa is the largest gold resource in the world. This is also where the world’s deepest gold mine is found the Mponeng Gold

  • (PDF) A Review of the Witwatersrand Basin The World’s

    The world's greatest deposit of gold is hosted by the Archaean Witwatersrand sedimentary basin, situated in the central portion of the Kaapvaal Craton of South Africa.

  • The impact of gold mining on the Witwatersrand on the

    In South Africa, the rocks of the Witwatersrand Basin consist primarily of 70-90% quartz and 3-5% pyrite and the main reefs are situated underneath a dolomitic karst aquifer (Durand 2012). Mining

  • Mining seismicity in the Witwatersrand Basin: monitoring

    Sep 25, 2012· In South Africa, the 2.8 Ga Witwatersrand Basin on the Kaapvaal Craton comprises one of the world’s largest gold placer deposits. This elliptical basin stretches over an arc of roughly 400 km traversing across the Free State, North West and Gauteng provinces in South Africa as shown in Fig. 1.Most of the basin is covered by younger sedimentary and volcanic rocks such as those making

  • Top South African Gold Mining Companies FXCM UK

    South Africa's Witwatersrand Basin is considered to be the world's largest gold resource; operations in this region contribute to SA's 95,130 mining sector jobs. [2] In recent years, South African gold production has decreased, falling to 4.2% of aggregate global production. [2]