• منطقة بودونغ الجديدة ، شنغهاي ، الصين .
  • [email protected]

Discovery of the Gold in 1884

The first recorded discovery of gold on the Witwatersrand was made by Jan Gerrit Bantjes in June 1884, on the farm Vogelstruisfontein, and was followed soon thereafter, in …

اقرأ المزيد

Witwatersrand Gold Rush | The Famous South African Gold …

A brief overview of the history and development of Witwatersrand, the famous gold mine of South Africa. With photos, facts, and figures about its impact on the growth of the …

اقرأ المزيد

Witwatersrand gold fields: Geology, genesis and exploration

The hydrothermal replacement model invokes transport of gold into the Witwatersrand Supergroup during metamorphism and associated widespread alteration …

اقرأ المزيد

Witwatersrand Gold FieldsGeology, Genesis, and Exploration | Gold …

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.

اقرأ المزيد

Witwatersrand Gold Fields: Geology, Genesis, and Exploration

Gold has been produced from seven major gold fields located around the northern and western margin of the 350-km-long Witwatersrand basin. Each gold field …

اقرأ المزيد

The Witwatersrand a Unique Gold Mining Community

THE WITWATERSRAND 213 of gold, the Witwatersrand gold mines were controlled by a limited number of individuals rich in money and experi-enced in management.

اقرأ المزيد

Witwatersrand gold: Discovery matters

The annual decline of Witwatersrand production has averaged 20 t of gold per year since 1994; at this rate, Witwatersrand gold mining will end in mid-2022. The forty-year production decline is attributed here to exploration failure as there has been no new goldfield discovered since Evander in 1951.

اقرأ المزيد

The Witwatersrand Basin and Its Gold Deposits: Methods …

The Mesoarchaean Witwatersrand Basin represents the largest known gold anomaly and has produced more gold than any other ore province in the world.

اقرأ المزيد

West Wits Mining produces first ore from Witwatersrand Basin gold …

West Wits Mining has become a gold producer following the first production of ore from the Witwatersrand Basin gold project in South Africa.

اقرأ المزيد

Johannesburg

Johannesburg - Gold Rush, Apartheid, Mining: Johannesburg's early history is the story of gold. In 1853 Pieter Jacob Marais, a South African prospector, recovered alluvial gold from the Jukskei River, north of what would become Johannesburg. The years that followed brought several modest strikes, but the …

اقرأ المزيد

Witwatersrand Gold Deposits

Witwatersrand gold reefs Mining Method: As I mentioned earlier the gold is predominantly hosted in 20 to 30 cm thick conglomerate units that dip towards the center of the basin at 20 to 42° the reefs obviously cannot be mined to this narrow width and most stopes are just over 1 m in height which means that there are significant dilution of the ...

اقرأ المزيد

Geology of the Witwatersrand Gold Field | Nature

The author concludes that the unworked parts of the gold-field are so extensive that the gold-mining industry has elements of "comparative permanency not found in many other goldfields and more ...

اقرأ المزيد

How much gold is there left to mine in the world?

Witwatersrand accounts for roughly 30% of all the gold ever mined. ... There are relatively few unexplored regions left for gold-mining, although possibly the most promising are in some of the ...

اقرأ المزيد

Contaminant leaching from gold mining tailings dams in …

The Witwatersrand gold mining basin is located in the northeastern part of South Africa (Fig. 1). The city of Johannesburg and the towns of Klerksdorp, Potchefstroom, Vereeniging and Welkom occur within its boundaries.

اقرأ المزيد

The impact of gold mining on the Witwatersrand on the rivers and …

The Witwatersrand has been subjected to geological exploration, mining activities, parallel industrial development and associated settlement patterns over the past century.

اقرأ المزيد

Gold mining: Knysna's Millwood gold fields

Barberton thrived briefly as a gold mining region, but it was soon overshadowed by the opening of the reefs of the Witwatersrand. Gold mining continues on a much reduced scale in the Barberton area to this day. WITWATERSRAND: The English miner, J.H. Davis, is credited with the earliest find on the Witwatersrand - on the farm Pardekraal in 1852.

اقرأ المزيد

At last, the Witwatersrand Gold Basin is being targeted …

When it comes to gold, additional exploration in South Africa's Witwatersrand Gold Basin is not as needed as with other metals and minerals. The Wits Gold Basin has been so thoroughly explored ...

اقرأ المزيد

History Grade 10

In this section we will briefly discuss the discovery of gold in the Witwatersrand and the Gold Rush. We will also discuss how the mining industry developed and how the discovery of gold in the Witwatersrand impacted the area and all of its inhabitants.

اقرأ المزيد

The impact of gold mining on the Witwatersrand on the …

Semantic Scholar extracted view of "The impact of gold mining on the Witwatersrand on the rivers and karst system of Gauteng and North West Province, South Africa" by J. Durand

اقرأ المزيد

Health Risk Assessment of Heavy Metals in Soils from …

The Witwatersrand Gold Mining Basin is the world largest that covers an area of 1600 km2. Mining activities have led to a legacy of some 400 km 2 of mine tailings [14]. Gold mine tailings in the

اقرأ المزيد

Witwatersrand Basin Project, Gauteng, South Africa

The Witwatersrand Basin Project is an underground gold mine being developed in South Africa by Australian firm West Wits Mining.

اقرأ المزيد

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 …

اقرأ المزيد

The impact of gold mining on the Witwatersrand on the …

The Witwatersrand has been subjected to geological exploration, mining activities, parallel industrial development and associated settlement patterns over the past century. The gold mines brought with them not only development, employment and wealth, but also the most devastating war in the history of South Africa, civil unrest, economical inequality, social …

اقرأ المزيد

All that glitters... Acid mine drainage: The toxic legacy of gold

Witwatersrand Gold Rush. The name Witwatersrand, literally "White Water Ridge" in Afrikaans, is ubiquitous in South Africa. The namesake ridge, often called the Rand, passes through Johannesburg. ... "They now have to carry the cost of 120 years of irresponsible mining; but the gold-mining industry is in decline and [these new mining ...

اقرأ المزيد

(PDF) 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 ...

اقرأ المزيد

Witwatersrand | South Africa, Map, & History | Britannica

Witwatersrand, ridge of gold-bearing rock mostly in Gauteng province, South Africa. Its name means "Ridge of White Waters." The highland, which forms the watershed between the Vaal and Limpopo rivers, is about 62 miles (100 km) long and 23 miles (37 km) wide; its average elevation is about 5,600

اقرأ المزيد

South Africa 1860

In 1886, gold was discovered deep under the ground on the Witwatersrand. Today the Witwatersrand is in the province of Gauteng, but at the time this was part of the Transvaal.

اقرأ المزيد

Genesis of the World's Largest Gold Deposits | Science

Almost 40% of all gold mined during recorded history has been recovered over the past 120 years from a single ore province: the Witwatersrand Basin in South Africa. Today, the gold-mining industry in the Witwatersrand has passed its maturity, but it is set to remain the world's leading gold producer. Estimated resources in the province …

اقرأ المزيد

Witwatersrand Basin – Hartbeespoort, South Africa

Discover Witwatersrand Basin in Hartbeespoort, South Africa: It's estimated that half of the world's gold was mined from South Africa's "golden arc.".

اقرأ المزيد

South Africa

South Africa - Gold Mining, Economy, History: Prospectors established in 1886 the existence of a belt of gold-bearing reefs 40 miles (60 km) wide centered on present-day Johannesburg. The rapid growth of the gold-mining industry intensified processes started by the diamond boom: immigration, urbanization, capital investment, …

اقرأ المزيد