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| Gold
mining in the Congo! |
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| Gold
mining the hard way. |
Gold mining consists of the processes and techniques
employed in the removal of gold from the ground.
There are several techniques by which gold may be
extracted from the Earth.
Gold panning is a mostly manual technique of sorting
gold. Wide, shallow pans are filled with sand and
gravel that may contain gold. The pan is submerged
in water and shaken, sorting the gold from the gravel
and other material. As gold is much denser than
rock, it quickly settles to the bottom of the pan.
The panning material is usually removed from stream
beds, often at the inside turn in the stream, or
resting on the bedrock bed of the stream, where
the density of gold allows it to concentrate. This
type of gold found in streams or dry streams are
called placer deposits... |
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