Science Quiz / What are different types of mining?

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Can you name the What are different types of mining??

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Machines dig open holes to remove ores
Used on flat terrain- Overburden stipped away, power shovels remove mineral deposit
Used on hilly terrain- Power shovel cuts terraces into hill, overburden removed, mineral extracted
Explosives, large power shovels used to remove top of mountain and expose mineral, usually coal, for removal
Vertical shaft dug, subsurface tunnels blasted open, machinery transports minerals to surface

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Created May 30, 2012ReportNominate
Tags:different, mining

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