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Opened. 1980. Closed. 1986. Serra Pelada (English: "Naked Mountain Range") is a Brazilian village, district of the municipality of Curionópolis, in the southeast of Pará. Serra Pelada was a large gold mine in Brazil, 430 kilometres (270 mi) south of the mouth of the Amazon River. The mine was made infamous by the still images taken by Alfredo ...
US annual gold production (1840–2012) In the United States, gold mining has taken place continually since the discovery of gold at the Reed farm in North Carolina in 1799. The first documented occurrence of gold was in Virginia in 1782. [1] Some minor gold production took place in North Carolina as early as 1793, but created no excitement.
The Summitville mine was a gold mining site in the United States, located in Rio Grande County, Colorado 25 miles (40 km) south of Del Norte. It is remembered for the environmental damage caused in the 1980s by the leakage of mining by-products into local waterways and then the Alamosa River.
Gold prospecting in the country's rivers and mines was brisk in the late 1980s. [1] Because of Bolivia's vast territory and the high value of gold, contraband gold accounted for approximately 80 percent of exports. [1] Official gold exports were approximately five tons in 1988, up sharply from less than one ton in 1985. [1]
The Willow Creek mining district, also known as the Independence Mine/Hatcher Pass district, is a gold-mining area in the U.S. state of Alaska. Underground hard-rock mining of gold from quartz veins accounts for most of the mineral wealth extracted from the Hatcher Pass area. The first mining efforts were placer mining of stream gravels, and ...
Trends in five of the top seven gold-producing countries. This is a list of countries by gold production in 2022. [1] Until 2006, South Africa was the world's largest gold producer. In 2007, increasing production from other countries and declining production from South Africa meant that China became the largest producer, although no country has ...
Gold mining in Alaska. Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory in 1867 from the Russian Empire. Russian explorers discovered placer gold in the Kenai River in 1848, but no gold was produced.
Gold mining is the extraction of gold by mining. Historically, mining gold from alluvial deposits used manual separation processes, such as gold panning. The expansion of gold mining to ores that are not on the surface has led to more complex extraction processes such as pit mining and gold cyanidation. In the 20th and 21st centuries, most ...