witwatersrand gold deposits in india

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Gold mobilizing fluids in the Witwatersrand Basin ...

An origin for Witwatersrand gold during metamorphism and associated alteration. In:Keays RR, Ramsay WRH, Groves DI (eds) The geology of gold deposits: the perspective in 1988. Econ Geol Monograph 6, pp 598–608. Phillips GN, Law JDM (1994) Metamorphism of the Witwatersrand gold fields: a review. Ore Geol Rev 9: 1–31

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Provenance and Geochemical Variations in Shales of the ...

These results have significant implications for the genetic model for Witwatersrand gold deposits and support the hypothesis of leaching of background concentrations of gold from the hinterland, rather than erosion of discrete Paleoarchean to Mesoarchean gold deposits from a specific host rock type. ... Eastern India, Journal of the Geological ...

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witwatersrand gold mining - shibang-china

Gold Mining Witwatersrand,South Africa - Gold Ore Crusher. Gold was discovered in the Witwatersrand in 1886, and it soon became evident that the area covered the world's largest and richest gold deposit. Witwatersrand: Definition from Answers.

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Major Gold Deposit Types and Exploration process

Major Gold Deposit Types and Exploration process N. N. Singh Indo Gold Mines Private Ltd, 68B Sect-9, HM; Udaipur, India 313001 singhnn@gmail Gold occurs as primary commodity in a wide range of gold deposit types and settings. Three main clans of deposits are now broadly defined, each including a range of specific deposit types with common

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Largest Gold Deposits in the World – Witwatersrand Gold ...

The 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 ...

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ORE DEPOSITS 101 - Part 8 - Witwatersrand Gold - YouTube

Description

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Witwatersrand Basin – Hartbeespoort, South Africa - Atlas ...

In 1886, after years of rumors, legends, and smaller discoveries, it was definitively established that there was a huge, rich deposit of gold under the Witwatersrand, a rocky ridge in South Africa.

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The viability of using the Witwatersrand gold mine ...

The Witwatersrand Basin is the heart of South Africa'a gold mining industry. The cluster of gold mines located in the Witwatersrand Basin generates a significant amount of mine tailings, which have adverse effects on the environment and ecological systems. In addition, disposal costs are very high.

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Gold Deposits | Gold.info

Witwatersrand Gold Deposits. A special type of gold deposit is the Witwatersrand goldmine in South Africa, which is by far the biggest gold field in the world. About 40,000 tonnes of gold have already been extracted from it. The Witwatersrand goldmine is identified as a so-called mixed type of primary and secondary gold deposits.

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Mineral Deposits of Africa 1907–2016

India, and West Australia, with a particular emphasis Derry (1961) considered Archeanon gold and copper. - Proterozoic boundaries on a global scale and highlighted the Witwatersrand gold-uranium mineralization and the iron ore deposits of west Africa, specifically Mauritania and Liberia.

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The impact of gold mining on the Witwatersrand on the ...

Undoubtedly this gold originated from the Witwatersrand, Ventersdorp and Transvaal Supergroups. Marais, like many other prospectors at the time, focussed on the alluvial deposits in the rivers and although they crossed the Witwatersrand Supergroup often, the largest gold deposit in the world remained unknown. An

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Significance of granite-greenstone terranes in the ...

Witwatersrand-type gold deposits are further characterised by the presence of carbonaceous matter in the conglomerate horizons, as seams and nodules (see England et al., 2002, Frimmel et al., 2005, Mossman et al., 2008, Fuchs et al., 2016, Fuchs et al., 2017). We will only discuss genetic similarities and apparent variations in mineralisation ...

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The World's 10 Most Prolific Gold Fields | CMI Gold & Silver

1. Witwatersrand Basin (Johannesburg, South Africa) The head frame of the Tau Tona Mine is the lone entrance to over 500 miles of tunnels. Located in South Africa, the Witwatersrand Basin represents the richest gold field ever discovered. It is estimated the 40% of all of the gold ever mined has come out of the Basin.

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Gold Deposits and Their Geological Classification

210 Exploration Geochemistry Table 1: Commonly recognized types of lode gold deposits and their main geological attributes. Deposit Type Type Example Selected Examples World; Canadian Geological Setting Form of Mineralization 1 Paleoplacer Witwatersrand (S. …

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Metamorphic fluids and gold | Mineralogical Magazine ...

The Witwatersrand goldfields also show evidence of low salinity, H 2 O-CO 2 fluids carrying reduced sulphur and gold, but their distribution and timing are not well established. Epithermal (sensu lato) gold deposits have evidence for low salinity fluids carrying Au and S, but are much more diverse in character than those from the previously ...

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Mining seismicity in the Witwatersrand Basin: monitoring ...

2 University of the Witwatersrand & CSIR Centre for Mining Innovation, Gauteng South Africa Received 21 May 2012 ; received in revised form 10 June 2012 ; accepted 15 June 2012 Abstract: The Kaapvaal Craton in South Africa hosts one of the largest gold placer deposits in the world.

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Quartz-Pebble-Conglomerate Gold Deposits

another quartz-pebble-conglomerate gold deposit as rich as the Witwatersrand deposits remains highly unlikely because of the confluence of features necessary to create such a large endowment of gold. However, some smaller occur-rences do exist in the United States. Pyritic paleoplacers of sub-ore grade are found in the Deep Lake Group and

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Witwatersrand Gold Rush | The Famous South African Gold Mine

The continued mining of gold has firmly placed Johannesburg as the economical powerhouse of South Africa. While the ultimate source of the gold in the Witwatersrand reef is unknown, the general disposition of the deposits is recognizable and continuous. The area has also featured dedicated botanical gardens to help preserve regions of the land.

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A map showing the distribution of coal and Witwatersrand ...

A map showing the distribution of coal and Witwatersrand Basin gold deposits. ... in other countries such as the Makum coal mine in India [11], the Gangreung coal mine in South Korea [12], and the ...

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Nunavut diamond-gold deposit mirrors SA's Witwatersrand ...

The Witwatersrand Goldfields comprise the world's biggest gold deposit, responsible for more than 40% of the gold ever mined on Earth. Led by Graham Pearson, a …

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Garayp, Enzio - Institut für Geographie und Geologie

The Witwatersrand goldfields in South Africa contain some of the largest gold deposits known on Earth and represent one of the main sources of the metal produced by modern gold mining industry. It is estimated that one third of the total gold ever …

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Geology of the Witwatersrand Gold Field | Nature

The results of this survey are shown on an excellent map (Geological Map of the Witwatersrand Gold Field, 3 sheets, 1917) on the scale of 1 to 5000, or almost an inch to the mile.

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Mineral Resources - GCIS

Gold According to Statistics South Africa, South Africa's annual gold production in 2012 was close to 220 tonnes, which is a level of gold production not seen since 1922. South Africa's gold output fell 11,3% in volume terms in January 2012, while mine output dropped 2,5%. …

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how was gold processed in the witwatersrand

The Witwatersrand deposits have produced almost 40% of all the gold produced on earth since beginning of time over 1.5 billion with a B ounces that's the equivalent of 305 million ounce deposits if there's one area of agreement on the Witwatersrand gold deposits is that they are truly world class solid gold elephants.

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Geology of the World's Major Gold Deposits and Provinces

31 Geologic Evidence of Syngenetic Gold in the Witwatersrand Goldfields, South Africa 32 Gold Deposits of the Archean Abitibi Greenstone Belt, Canada ... for gold deposits, and will undoubtedly continue to do so. ... India, and Morro Velho in Brazil, are historically important, ...

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Witwatersrand | Wilbur Smith's Notebook | Wilbur Smith

The Witwatersrand, also known as the 'Rand', is the richest gold reef in the world and gives its name to the South African currency. Gold Rush. There had long been rumours of gold in the Transvaal. In 1873 some small deposits were discovered just to the west of the Drakensberg mountains in an area that became known as MacMac because of the huge ...

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Gold Monetisation Scheme - ICICI Bank

Gold Monetisation Scheme (GMS) Resident Indians can deposit gold under Gold Monetisation Scheme. The deposit will be denominated in grams of gold with purity 995. The deposit will help the depositor earn interest at the rate of interest decided by Central Government and notified by Reserve Bank of India from time to time.

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Witwatersrand Gold Deposits - Mineral Processing & Metallurgy

The Witwatersrand deposits have produced almost 40% of all the gold produced on earth since beginning of time over 1.5 billion with a B ounces that's the equivalent of 305 million ounce deposits if there's one area of agreement on the Witwatersrand gold deposits is that they are truly world class solid gold elephants.

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Witwatersrand Gold Fields: Geology, Genesis, and ...

The Witwatersrand gold fields of South Africa account for more than a third of the world's total gold production since mining started there in 1886: 48,000 t Au. These gold fields dominated production throughout the twentieth century, but production peaked at 1,000 t in 1970 and has steadily declined since that time.

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A wild theory and a bit of gold has sparked a 500% rally ...

How the Witwatersrand became so rich in gold has long been debated among geologists. The most commonly accepted theory is that gold washed out of mountain ranges and accumulated in a basin.

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