Surface Mining Glossary. STUDY. PLAY. abandoned workings. Excavations where further mining is not intended. Can be caved, sealed or open. Open ones are not ventilated or inspected regularly. acid drainage. Water with a pH < 6, from an area affected by mining or reclamation.

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Examples for Surface Mining Important Terms of Surface Mining . Mining Terms . Types of Mining . Types of Mining . Surface Mining: Open Pit Mining: Massive stock-work deposits –gold, copper . Strip Mining: Bedded deposits –coal, phosphates . Quarry Mining: aggregates, marble, granite .

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We, Office of Surface Mining Reclamation and Enforcement (OSMRE), are announcing receipt of a proposed amendment to the existing West ia Federal Lands Cooperative Agreement. Section 523(c) of the Surface Mining Control and Reclamation Act of 1977 (SMCRA or the Act) and the Federal regulations authorize a State with an approved permanent...

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Surface mine – a pit or excavation in the earth from which mineral substances are taken (an ore deposit). Precision surface mining – uses continuous surface miners to excavate the mineral deposit, can provide an efficient, cost-effective alternative or complement to drilling and blasting Terrain Leveler® surface excavation machine (SEM) – Vermeer precision surface miner

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The methods for surface mining of coal seams would generally depends on the thickness and dip of the seams, whether single or multi-seams mining is to be do...

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In surface mining operations, overburden is removed prior to mining using large equipment. When mining has been completed, it is either used to backfill the mined areas or is hauled to an external dumping and/or storage site. Overcast (undercast) - Enclosed airway which permits one air current to pass over (under) another without interruption.

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Glossary of terms used in the American Mining Industry. Dry Diggings – Earth excavated in the summer and held to be washed in winter when water was more plentiful.. Dry Washing – Fine soil blown away, leaving the gold.. Drywasher – A common desert mining tool similar to a highbanker but doesn't need water.It operates by the use of wind. The light junk material is blown off the top of ...

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Rev. June 24, 2008 Mining terms.7 personal, placed upon, under, or above the surface of such land by any person, used in, or to be used in, or resulting from, the work of extracting in such area

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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.. Surface mining began in the mid-16th century [dubious ...

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Mine sites included in MSHA Part 46: Miners engaged in shell dredging, or employed at sand, gravel, surface stone, surface clay, colloidal phosphate, or surface limestone mines. Miner: Any person, including any operator or supervisor, who works at a mine and who is engaged in mining operations. This definition includes independent contractors ...

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A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.

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Bulk mining - Any large-scale, mechanized method of mining involving many thousands of tonnes of ore being brought to surface per day. Bulk sample - A large sample of mineralized rock, frequently hundreds of tonnes, selected in such a manner as to be representative of the potential orebody being sampled.

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Glossary of Mining Terminology After Damp - Gasses resulting from underground combustion, normally carbon monoxide. This is a loose term implying any fatal gas in a mine after an explosion or fire. Air Shaft - A vertical opening into a mine for the passage of air. Airway - Any passage in a mine along which an air current moves. Some passages are

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MSHA Safety Training Requirements at a Surface Mine. The Mining Safety and Health Administration, also known as MSHA, requires that miners who work at surface mines receive specific safety training to reduce the risk of injury, illness, or fatality on the job.. At some surface mines, the safety training requirements are known as MSHA Part 46.. In particular, Part 46 applies to "miners engaged ...

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