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Search "Placer mining"
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Placer mining | |
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About 7 pages (2,150 words) in 4 products |
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Encyclopedia and Summary Information
summary from source:
 Placer Mining Summary
711 words, approx. 2 pages Placer deposits are collections of some mineral existing in discrete particles, mixed with sand, gravel, and other forms of eroded rock. Some of the minerals most commonly found in placer deposits are diamond, gold, platinum, magnetite, rutile,... summary from source:
 Placer mining Information
1,012 words, approx. 3 pages
Placer mining (pronounced "plass-er") refers to the mining of alluvial deposits for minerals. This may be done by open-pit (also called open-cast mining) or by various forms of tunneling into ancient riverbeds. Excavation may be accomplished using water... 
 summary from source:
 Engineering and Mining Journal Underground placer mining
04/01/2001: 2,635 words, approx. 9 pages Gold-bearing gravel deposits covered by various types and thicknesses of barren soil and rock are no different than surface gravel occurrences. Because they have been preserved in their original form over a geologic period of time, they are in reality fossil gravel deposits. Covering... summary from source:
Mining Magazine Building mines the Placer way. (Placer Dome Inc.)
04/01/1998: 1,885 words, approx. 6 pages Placer Dome believes that its in-house expertise in mine design and construction is one of its greatest strengths Placer Dome has much in-house expertise in mine building, having constructed 30 mines and expansion projects worth US$4.5 billion over the last 35 years....
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Placer mining | |
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About 7 pages (2,150 words) in 4 products |
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