placer mining definition of overburden

  • Hydraulic mining - Wikipedia

    Hydraulic mining, or hydraulicking, is ... The resulting wave of water removed overburden and exposed bedrock. ... small-scale placer mining had largely exhausted the ...

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  • Placer Mining Technology - dredgersdigest.com

    placer mining technology ... evaluation and mining ethods placer geology definition formation deposit types ... overburden removal 4 7

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  • APES Chapter 14 Flashcards | Quizlet

    APES Chapter 14. STUDY. PLAY. area strip mining. In area strip mining, used where the terrain is fairly flat, gigantic earthmovers strip away the overburden, ...

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  • Surface mining - Wikipedia

    Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels.

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  • Market Segment Specialization Program

    Market Segment Specialization Program Placer Mining ... There is no one inclusive definition of "mining" for federal ... amounts of overburden would indicate that a ...

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  • Mistakes Novice Placer Miners Make - New 49ers Prospecting Club

    Placer mining is relatively simple as long as you don't expect to make a profit; ... Another common mistake is not separating overburden from pay gravels.

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  • Mining - Dictionary definition of Mining | Encyclopedia.com ...

    Definition of Mining ... and alluvial (or placer) ... Mountaintop mining is similar to strip mining in that the overburden above a tabular coal deposit is removed.

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  • Effects of Placer Mining on Water Quality in Alaska - EPA

    ----- EFFECTS OF PLACER MINING ON WATER QUALITY IN ALASKA ... of the placer mining operations in ... In mining, the thin layer of overburden is removed by a ...

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  • 1.1 PHASES OF A MINING PROJECT - Home | ELAW

    There are different phases of a mining project, ... 1.1.3.2 Placer mining ... of overburden generated by mining is enormous.

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  • Mining Terms - kau

    Mining Terms . Types of Mining . Types of Mining . ... Placer Mining: minerals in ... is the overburden or non-ore material removed in gaining access to the ore.

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  • Gold Mining BC.com - Glossary of Placer Mining in BC

    Gold Mining BC.com - Glossary of Placer ... Section 1 (Definitions) of the Mines Act, provides an open-ended definition ... Some material could be overburden or ...

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  • Overburden | Define Overburden at Dictionary.com

    Overburden definition, to load with too great a burden; overload: He was overburdened with cares. See more.

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  • Placer Mining | Definition of Placer Mining by Merriam-Webster

    Define placer mining: the process of extracting minerals from a placer especially by washing, ... Definition of placer mining: ...

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  • Post-Lecture Quiz - wps.aw.com

    What materials are mined using placer mining? ... Based on the broad definition of "mining," harvesting of which of ... Which type of mining generates "overburden ...

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  • Placer mining for gold in California - theminingalliance.com

    PLACER MINING FOR GOLD IN CALIFORNIA By ... PlacerMiningfor dohl in California, ... Removing overburden ahead of dredging with carryall at Lancha

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  • Mine Tailings - Ground Truth Trekking

    Mine tailings are the ore waste of ... (collectively known as "overburden"), ... such as the cyanide used in gold mining, remain in the tailings at the end of the ...

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  • Technical Resource Document: Extraction and Beneficiation of ...

    is EPA's Profile of the gold placer mining ... and processing of ores and minerals" is excluded from the definition of ... Overburden From Uranium Mining, ...

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  • Chapter 2: The Environmental Effects of Strip Mining - The ...

    EFFECTS OF. STRIP MINING ... Section 404 regulates any discharge of any dredged or fill material, including overburden from mining activities as well as material ...

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  • Placer Mining - Dictionary definition of Placer Mining ...

    Definition of Placer Mining – Our online dictionary has Placer Mining information from Environmental Encyclopedia dictionary. ... It removes overburden, ...

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  • PLACER DEPOSITS Sub-committee Members

    PLACER DEPOSITS Sub-committee Members Val Spring ... The technique selected will depend on the depth of overburden, ... Placer mining has created severe environmental ...

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  • State of Oregon: Water Quality Permits - Metal Mining Activities

    his web page provides information and resources to anyone intending to conduct metal mining operations in Oregon's streams or rivers.

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  • A LLUVIAL EXPLORATION & MINING - Mining Directory

    More placer projects have failed due to inaccurate assessment of the reserves than to any other reason. ALLUVIAL EXPLORATION & MINING ... of overburden 19) Labour ...

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  • Lode Vs. Placer - ICMJ's Mining Journal Forums

    What is a correct definition of a Placer mining claim? It would seem that th ... by their own account, there was too much overburden to support a lode claim. ...

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  • Placer | Define Placer at Dictionary.com

    Placer definition, a surficial mineral deposit formed by the concentration of small particles of heavy minerals, as gold, rutile, or platinum, in gravel or small sands.

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  • Mining - Placer mining | Britannica.com

    Mining - Placer mining: ... Although there are several different types of placer ... suction dredge has been mainly used by mining companies to remove overburden from ...

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