pit heap

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• pit-head — pit head, heap etc.: see pit n.1 15 …   Useful english dictionary

• Heap leach solutions —   The separation, or dissolving out from mined rock of the soluble uranium constituents by the natural action of percolating a prepared chemical solution through mounded (heaped) rock material. The mounded material usually contain slow grade… …   Energy terms

• Open-pit mining — El Chino, located near Silver City, New Mexico, is an open pit copper mine …   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 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

• Gold mining in the United States — has taken place since the discovery of gold at the Reed farm in North Carolina in 1799.In 2006 the United States produced approximately 8.360 million troy ounces (260 tonnes) of gold, making it the second or third largest gold producing nation,… …   Wikipedia

• Shotton Colliery — is a village in County Durham, England. It is situated to the west of Peterlee.There are two villages in the parish of Shotton. Old Shotton is a small village to the south east of the main village and is now merged into the town of Peterlee.Old… …   Wikipedia

• Middridge — Coordinates: 54°38′N 1°40′W / 54.63°N 1.66°W / 54.63; 1.66 …   Wikipedia

• Gold mining in Colorado — Gold mining in Colorado, a state of the United States, has been an industry since 1858, and played a key role in the establishment of the state of Colorado.Explorer Zebulon Pike heard a report of gold in South Park, present day Park County,… …   Wikipedia

• Pegswood — infobox UK place country = England official name= Pegswood latitude= 55.1798 longitude= 1.6442 population= 3260 shire district= Castle Morpeth shire county = Northumberland region= North East England constituency westminster= Wansbeck post town=… …   Wikipedia

• Mineral industry of Botswana — The mineral industry of Botswana has dominated the national economy since the early 1990s. Diamond has been the leading component of the mineral sector since large scale diamond production began 25 years ago. Most of Botswana’s diamond production …   Wikipedia