what is placer mining

Placer | Spanish to English Translation - SpanishDict

Translate Placer. See 3 authoritative translations of Placer in English with example sentences, conjugations, phrases and audio pronunciations.


Placer Mining, Gold Mining, Mineral Mining, Mining ...

Placer mining is the mining of alluvial sediments for minerals. This may be through by open-pit (also known as open-cast mining) or by a variety of forms of tunneling into antique riverbeds. Excavation might be achieved using water pressure (hydraulic mining), …


Placer Gold vs. Lode Gold (and how to find it!)

However, mining for lode gold has many more challenges that mining for placer gold. Placer gold mining is much easier. The gold is already separated from the rock, and gravity has concentrated the gold into creeks and rivers where it is more easily accessible.


New & Used Placer Mining Equipment for Sale | Placer ...

Our Placer mining equipment is used for the mining of alluvial deposits of minerals. This may be done through open-pit (also called open-cast mining) or through various surface excavating equipment or tunneling equipment.


What is the best placer mining method? - Quora

The placer gold is often washed down from higher ground by water action, and hence a river may become known for placer gold and continue to recharge the surface layers of …


Placer Gold Deposits Pay Off!

Placer gold deposits represent the most attractive targets for small-scale miners and prospectors, since activities can be carried out with reasonably small costs, and encouraging prospecting results can be obtained rapidly. A small-scale miner has the opportunity to exploit small, rich accumulations of gold which larger-sized mining companies might pass by, due to reserve-size and overall ore ...


Placer mining - Wikipedia

Placer mining, ancient method of using water to excavate, transport, concentrate, and recover heavy minerals from alluvial or placer deposits.Examples of deposits mined by means of this technique are the gold-bearing sands and gravel that settle out from rapidly moving streams and rivers at points where the current slows down.


Placer | Define Placer at Dictionary.com

the site of a form of mining (placer mining) in which a placer deposit is washed to separate the gold or other valuable minerals.


Placer mining dictionary definition | placer mining defined

Quartz-mining has since very largely taken the place of placer-mining, but the two principal gold-producing districts are still that traversed by the Blue Mountains in the northeastern quarter and that drained by the Rogue river in the southwestern corner, a continuation of the California field.


Placer - definition of placer by The Free Dictionary

2. the site of a form of mining (plac′er min`ing) in which a placer deposit is washed to separate the gold or other valuable minerals.


Placer mining dictionary definition | placer mining defined

placer mining definition: mining of placer deposits by washing, dredging, or other hydraulic methods... Definitions. placer mining placer mining. ... Part of Oregon in 1852, and placer-mining was prosecuted here without interruption until 1860, when the metal was found in larger quantities on the streams in Baker and Grant counties in the north ...


Placer mining | Article about placer mining by The Free ...

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.


BC Placer - About Placer Mining

Placer Mining and Placer Minerals Placer mining is mining placer minerals - minerals that have been moved and deposited by running water. In BC, this generally means gold, sometimes with platinum. This differs from hard rock mining in solid granite or related rock.


Placer Mining Methods - Mineral Processing & Metallurgy

With placer mining, recovery of the gold from the ore is usually the most expensive phase of the mining operation and can be the most difficult to implement properly. The value of gold deposits is based on the amount of gold that can be recovered by existing technology.


Placer Mining Methods - 50 Mile Mining

Placer mining is a form of mining for gold. The word 'placer' translates from Spanish to mean "sand bank" and describes one of the common locations one would placer mine. It was the method of choice of prospectors in the late 1800's who followed gold rushes from California to British Columbia.


What Is A Mining Claim, Legally? - Mine Engineer.Com

The maximum size of a placer claim is 20 acres per locator . Other Claim Types: Mill Sites: A mill site must be located on non-mineral land. Its purpose is to either (1) support a lode or placer mining claim operation or (2) support itself independent of any particular claim.


Placer mining - definition of placer mining by The Free ...

placer mining - mining valuable minerals from a placer by washing or dredging mining, excavation - the act of extracting ores or coal etc from the earth Translations


Yukon Placer Secretariat - Effects of Placer Mining

Effects of Placer Mining For more info on how placer mining works, see our Placer Mining section. Placer mining can affect fish and fish habitat when: Water is withdrawn from a stream for sluicing.


Lode vs Placer Mining - 2016 - YouTube

Jan 18, 2016· Today we discuss the several aspects of Lode vs Placer Mining and the lucrative options available for the Casual Use Miner. For a more in-depth look at subject check out our mining 101 section at ...


What is a Placer Claim? | Mining Frequently Asked Questions

Placer claims are defined as "...including all forms of deposit, excepting veins of quartz, or other rock in-place." In other words every deposit, not located with a lode claim, should be appropriated by a placer …


What Is Placer Mining? (with picture) - wisegeek.com

Feb 02, 2019· Placer mining is a group of mining methods that use water to separate valuable minerals or ores from the surrounding sediment. It can be used to …


Placer Mining | Definition of Placer Mining by Merriam-Webster

Placer mining definition is - the process of extracting minerals from a placer especially by washing, dredging, or hydraulic mining. the process of extracting minerals from a placer especially by washing, dredging, or hydraulic mining…


Placer mining | definition of placer mining by Medical ...

Placer mining - tapping into mineral deposits - was the preferred form of gold mining here (hydraulic mining, where huge nozzles blasted massive amounts of water at hillsides to wash out the gold, came into practice later).


placer mining equipment - Gold Concentrators - Oro Industries

All of the placer mining equipment shown on this page was designed and built by Paul Clift and Tri-R back in the 1980's. Tri-R was known for it's innovative designs, highly efficient but yet simple to …


What are the main methods of mining? | American ...

Placer mining is used to sift out valuable metals from sediments in river channels, beach sands, or other environments. In-situ mining, which is primarily used in mining uranium, involves dissolving the mineral resource in place then processing it at the surface without moving rock from the ground.


The Difference Between Placer Mining and Hard Rock Mining ...

Placer mining is a method of mining that focuses on the recovery of minerals located on or close to the surface of the ground. In other words, if you are driving a mine shaft or blasting hillsides with dynamite you are not placer mining.


What does placer mining mean? definition, meaning and ...

Mining valuable minerals from a placer by washing or dredging. Classified under: Nouns denoting acts or actions. Hypernyms ("placer mining" is a kind of...): excavation; mining (the act of extracting ores or coal etc from the earth)


What Are Placer Ore Deposits? | Sciencing

Gold placers were first discovered by Europeans in the great Witwatersrand gold mining district of South Africa in the 1850s. References Eastern Oregon Mining Association: Placer Overview