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Open pit mine in Val-d'Or, Quebec. The Abitibi gold belt is a region of Canada that extends from Wawa, Ontario to Val-d'Or, Quebec.Located within the mineral-rich Abitibi greenstone belt, the gold belt is an established gold mining district having produced over 100 mines, and 170 million ounces of gold since 1901.
Gold quartz veins and lenticular reefs occur in the shear zone between the Upper Birimian phyllites and the Lower Birimian greenstones. Gold mines include the Obuasi Gold Mine, and those located at Prestea, Konongo, Hiré, Poura, Kalana, and Sabodala. Placer gold deposits are mined at Siguiri, Ity, and on the Ofin River. [11] [12]
One of the best known greenstone belts in the world is the South African Barberton greenstone belt, where gold was first discovered in South Africa. The Barberton Greenstone belt was first uniquely identified by Prof Annhauser at the University of the Witwatersrand, Johannesburg. His work in mapping and detailing the characteristics of the ...
In 2015, Regis announced a combined one million ounces of gold produced at the Duketon Gold Project since production commenced in 2010. [9] In August 2019, Regis acquired A$25 million of gold tenements in the area from exploration company Duketon Mining, increasing its stake of gold rights in the Duketon Greenstone Belt to 90 percent. [15]
It is the southernmost of the gold-bearing bands in the Archaen greenstone belts of Zimbabwe. It is estimated that between 1866 and 1963 over 200,000 ounces of gold were produced from mines in the Tati Goldfields.
A tour guide died at a Colorado gold mine after an elevator experienced a mechanical issue hundreds of feet below ground, trapping a dozen tourists for several hours, authorities said. The ...
Between 1933 and 1957, the Young-Davidson Mine and the Matachewan Consolidated Mine produced 9.6 million tonnes of ore containing 3.1 grams of gold per ton and 0.93 grams per ton of silver. Between 1979 and 1980, Pamour Porcupine Mines Limited open-pit mining produced 18,000 tonnes of ore containing more than 3.4 grams per ton of gold.
The Abitibi greenstone belt is a 2,800-to-2,600-million-year-old greenstone belt that spans across the Ontario–Quebec border in Canada. [1] It is mostly made of volcanic rocks , but also includes ultramafic rocks , mafic intrusions , granitoid rocks , and early and middle Precambrian sediments.