- alluvial mining
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разработка россыпей
English-Russian dictionary of geology. 2011.
alluvial mining
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Mining industry of Angola — Mining in Angola is an activity with great economic potential since the country has one of the largest and most diversified mining resources of Africa. Angola is the third largest producer of diamonds in Africa and has only explored 40% of the… … Wikipedia
Mining in Angola — Angola is the third largest producer of diamonds in Africa and has only explored 40% of the diamond rich territory within the country, but has had difficulty in attracting foreign investment because of corruption, human rights violations, and… … Wikipedia
Mining industry of Ghana — accounts for 5% of the country s GDP and minerals make up 37% of total exports, of which gold contributes over 90% of the total mineral exports. Thus, the main focus of Ghana s mining and minerals development industry remains focused on gold.… … Wikipedia
Mining in New Zealand — began when the indigenous Māori quarried rock such as argillite in times prior to European colonisation.[1] Mining by Europeans began in the latter half of the 19th century. New Zealand has abundant resources of coal, silver, iron ore, limestone… … Wikipedia
Mining in Bolivia — Mining in Potosí Mining in Bolivia has been a dominant feature of the Bolivian economy as well as Bolivian politics since 1557. Colonial era silver mining in Bolivia, particularly in Potosí, played a critical role in the Spanish Empire and the… … Wikipedia
Mining in Cornwall — first began in the early Bronze Age approximately 2,150 BC and ended with the South Crofty tin mine closing in 1998.HistoryMining in Cornwall has existed from the early Bronze Age around 2,150 B.C. Cornwall is thought to have been visited by… … Wikipedia
Mining in Egypt — has had a long history that goes back to predynastic times. Egypt has substantial mineral resources, including 48 million tons of tantalite (fourth largest in the world), 50 million tons of coal, and an estimated 6.7 million ounces of gold in the … Wikipedia
Mining in Ghana — Ghana s economy depends largely on exports of cocoa and gold. Other mineral commodities produced in the country were aluminum, bauxite, diamond, manganese, natural gas, petroleum, salt, and silver.Economic impactThe contribution of Ghana’s mining … Wikipedia
Mining in Cornwall and Devon — Ruin of Cornish tin mine … Wikipedia
Mining in Sierra Leone — Diamond miners in Kono District The mining industry of Sierra Leone accounted for 4.5 percent of the country s GDP in 2007[1] and minerals made up 79 percent of total export revenue with diamonds accounting for 46 percent of export revenue in… … Wikipedia
Mining industry of Cameroon — Contents 1 Cameroon Overview 2 Mining History 3 Geology of Cameroon 4 Cameroon Mining Laws Regulations … Wikipedia
