What Is Placer Mining

  • How to use placer mining in a sentence - WordHippo

    With placer mining, minerals can also be removed from the bottoms of lakes, rivers, streams, and even the ocean by dredge mining. Water for placer mining, especially hydraulic mining, depended on natural and artificial storage of snow melt run-off and was a critical factor in placer gold production.

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  • 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), …

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  • Placer miner - definition of placer miner by The Free ...

    Define placer miner. placer miner synonyms, placer miner pronunciation, placer miner translation, English dictionary definition of placer miner. n. The obtaining of minerals from placers by washing or dredging. placer miner n. Noun 1. placer miner - a miner who extracts minerals from a placer by...

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  • 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 maintain and operate.

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

    Define placer mining. placer mining synonyms, placer mining pronunciation, placer mining translation, English dictionary definition of placer mining. n. The obtaining of minerals from placers by washing or dredging. placer miner n. Noun 1. placer mining - mining valuable minerals from a placer …

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  • Placer mining | Britannica.com

    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.

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  • Placer mining - Wikipedia

    Placer mining / ˈ p l æ s ər / is the mining of stream bed deposits for minerals.This may be done by open-pit (also called open-cast mining) or by various surface excavating equipment or tunnelling equipment.. Placer mining is frequently used for precious metal deposits (particularly gold) and gemstones, both of which are often found in alluvial deposits—deposits of sand and gravel in ...

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  • What is placer gold mining - answers.com

    Answers.com ® Categories Business & Finance Business and Industry Industries and Professions Mining. What is placer gold mining? SAVE CANCEL. already exists. Would you like to merge this question ...

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  • Mining Claims | BUREAU OF LAND MANAGEMENT

    MINING CLAIMSA mining claim is a parcel of land for which the claimant has asserted a right of possession and the right to develop and extract a discovered, valuable, mineral deposit. This right does not include exclusive surface rights (see Public Law 84-167).There are three basic types of minerals …

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  • 1.1 PHASES OF A MINING PROJECT - Home | ELAW

    1.1.3.2 Placer mining Placer mining is used when the metal of interest is associated with sediment in a stream bed or floodplain. Bulldozers, dredges, or hydraulic jets of water (a process called ‘hydraulic mining’) are used to extract the ore. Placer mining is usually aimed at removing gold from stream sediments and floodplains. Because placer

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  • What does placer mining mean? - definitions.net

    Freebase (0.00 / 0 votes) Rate this definition:. Placer mining. Placer mining is the mining of alluvial deposits for minerals. This may be done by open-pit or by various surface excavating equipment or tunneling equipment.

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  • What is Placer Gold Mining? - Yukon - Charley Rivers ...

    Unlike hardrock mining, which extracts veins of precious minerals from solid rock, placer mining is the practice of separating heavily eroded minerals like gold from sand or gravel. The word placer is thought to have come from Catalan and Spanish, meaning a shoal or sand bar.

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  • Placer | Definition of Placer by Merriam-Webster

    placer. placer mining. place setting. placet. ... Time Traveler for placer. The first known use of placer was circa 1578. See more words from the same year. More from Merriam-Webster on placer. Rhyming Dictionary: Words that rhyme with placer. Spanish Central: Translation of placer. Comments on placer. What made you ...

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  • 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).

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  • Alluvial and Placer Mineral Deposits | Geology for Investors

    Mining a Placer. You don’t need to be a geologist to find a placer deposit. Placers were mined in pre-history; it is, after all, simply a matter of tripping over nuggets from the river! The pattern with many placer mining areas is the original deposits were quickly found and exploited.

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  • Placer vs Dredging - What's the difference? | WikiDiff

    As nouns the difference between placer and dredging is that placer is one who places or arranges something or placer can be (ethology|sheep|australia|new zealand) a lamb whose mother has died and which has transferred its attachment to an object, such as a bush or rock, in the locality while dredging is that which is dredged up. As an adjective placer is (mining…

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  • Placer | Define Placer at Dictionary.com

    The minerals are usually concentrated in one area because they are relatively heavy and therefore settle out of the river's currents more quickly than lighter sediments such as silt and sand. ♦ The extraction of minerals from placers, as by panning, washing, or dredging, is called placer mining.

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  • (PDF) PLACERS AND PLACER MINING - researchgate.net

    Placer mining is a special open cut method for exploiting deposits of sand or gravel containing workable amounts of such valuable minerals. Native gold is the most important placer mineral, but ...

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

    Mar 14, 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 recover platinum, tin, and diamonds, but most commonly gold.A very crude form of placer mining was used by gold prospectors during the California gold rush in the mid 1800s. Since then, the technology has progressed to allow a larger volume of ...

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  • What Is Placer Gold and Where Do I Find It?

    Oct 20, 2015· Placer Gold: The Stuff You Gold Pan For. To start off, there are two types of gold deposits: lode and placer. Typically, lode deposits are the traditional veins of ore that are embedded in rocks and minerals. To recover gold from lodes, miners have to blast, mill, or treat the rock with chemicals to recover the gold inside.

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

    Definition of placer mining in the AudioEnglish.org Dictionary. Meaning of placer mining. What does placer mining mean? Proper usage and pronunciation (in phonetic transcription) of the word placer mining. Information about placer mining in the AudioEnglish.org dictionary, synonyms and antonyms.

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  • Placer Mining Methods - Mineral Processing & Metallurgy

    Here is practical, timely information on Placer Mining Methods and equipment used in placer gold recovery. Included is detailed information on equipment, practices, recovery factors, efficiency, design, and, where available, costs. Selected gold recovery operations are described in detail. In addition, the reported efficiency and reliability of various types of equipment used today is presented.

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  • Unit 9 Flashcards | Quizlet

    Unit 9. STUDY. PLAY. placer mining. a form of mining that required little technology or skill, placer mining techniques included using a shovel and a washing pan to separate gold from the ore in streams and riverbeds. An early phase of the mining industry, placer mining could be performed by miners …

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  • 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.

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