placer mining


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Related to placer mining: Hydraulic mining, Open pit mining

placer mining:

see miningmining,
extraction of solid mineral resources from the earth. These resources include ores, which contain commercially valuable amounts of metals, such as iron and aluminum; precious stones, such as diamonds; building stones, such as granite; and solid fuels, such as coal and
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placer mining

[′plās·ər ‚mīn·iŋ]
(mining engineering)
The extraction and concentration of heavy metals from placers.
Mining of gold by washing the sand, gravel, or talus.
References in periodicals archive ?
Target: Placer mining claims comprising the Sal Rica lithium brine project
And, several Series 71-powered machines from the Yukon Placer Mining Company are still in use under different owners--the K-1 Mining Co.
The Conrey Placer Mining Company is a business history, a history of technology, and a local history.
Target: 4,600 acres of placer mining claims in Nina lithium project
For the number of operations, placer miners would overwhelmingly be the largest group, but the total placer mining production for 2011 was only 45,000 oz gold.
5% undivided interest in the 22 unpatented placer mining claims included in the Oatman Gold Project in which the Company agreed to acquire the interest of the sellers in the unpatented mining claims, located in Mohave County, Arizona, in exchange for 24,400,000 shares of our restricted Common Stock valued at the par value of US$0.
State and Native lands are more popular for placer mining than federal lands because there are less hoops to go through," said Henning.
He helped me make a ring from an ounce of table silver and a lapidary scrap of Mariposite, a rock marbled with blue, gray and green, found only around Mariposa County's 19th-century placer mining sites in the California gold country.
5% (twelve and one half percent) undivided interest in the 22 (twenty-two) unpatented placer mining claims included in the Oatman Gold Project with Backyard Stuff, Inc.
an energy metals exploration and development company, announced that it has acquired a third lithium exploration project, through the staking of 9,270 acres of federal placer mining claims within the Railroad Valley of central Nevada.
POM is a mining operation owning a production interest in certain placer mining claims containing gold, silver and other precious metals in addition to rare earth elements located approximately 80 kilometers northeast of Vancouver in the lower Lillooet River Valley.
He was an expert on gold placer mining and he evaluated more than 100 properties around the world that produced millions of dollars in gold.