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Mine Spoil Waste | Encyclopedia

Mine spoil waste. Metallic ores, sand, gravel, and building stone, including aggregate for concrete, are usually extracted from open pit mines. Strip mining is effective where resources lie in sedimentary layers, and is particularly used for coal, phosphate, and gypsum. Much of the waste from strip mining comes from overburden removal.

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CITIZEN'S GUIDE TO INDIANA'S ABANDONED MINE .

Abandoned sites may contain a variety of problem types including: dangerous highwalls, hazardous equipment, acid water, open shafts, and mine entries, subsidences, trash, abandoned structures, lack of drainage control, barren spoil, coal processing wastes, soil stockpiles, non- productive or low productive farmlands, lack of any or an acceptable ...

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Coal mining - Choosing a mining method | Britannica

Coal mining - Coal mining - Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many technological, economic, .

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Stockpiles, Tailings and Spoil Contaminants in Drinking Water

Spoil Spoil consists of mining debris and waste. A major source of acid-mine drainage is iron-sulfide-rich spoil associated with coal mining, and spoil from metal sulfide mines, such as copper and gold mining operations (1).

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Dragline - an overview | ScienceDirect Topics

Sep 19, 1998 · Spoil piles are created as a necessary part of the surface mining process, which requires the overlying strata to be broken and dumped elsewhere in order to expose the target coal seams. Generally, overburden at coal mines involves inert consolidated sedimentary materials such as sandstones, siltstones, mudstones, and shales; however, as already noted, some of these materials .

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5. Mining: Methods and Impacts | Surface Coal Mining ...

Surface Coal Mining Effects on Ground Water Recharge (1990) Water Quality From the standpoint of water quality, coal surface mining has its greatest impact on the shallower aquifers. The most notable effect is increased total dissolved solids and increased sulfate, calcium, and magnesium concentrations.

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The rise and demise of a West ia coal mine - reuters

Aug 05, 2016 · Video: W. ia weathers fallout from coal collapse. The weathered piles of spoil and valley fills are leaching selenium, a healthful nutrient in trace amounts but a toxin in larger doses. A 2008 study, presented in federal court, found deformed fish and warned of .

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Stability of spoil piles at two coal mines in Turkey ...

The subject of this study is the stability of spoil piles at open pit coal mines located in the Central Anatolia, Turkey. The coal is produced from two adjacent open pits. While a large portion of the spoil piles dumped at the Central Pit has experienced slope failure, no spoil pile instability has been experienced at .

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Stockpiles, Tailings and Spoil Contaminants in Drinking Water

Mines, Stockpiles, Tailings and Spoil Contaminants in Drinking Water. Mines Coal and metal strip mines are a source of water contamination due to the release of metals and acid. Sulfuric acid is formed when sulfides, such as pyrite are exposed to air and water. This is called acid mine drainage.

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Geotechnical characteristics of coal mine spoil | Request PDF

Coal mine spoil, a product of coal excavation consists of highly heterogeneous overburden (OB) of different materials, mostly of sedimentary origin [1]. These OB materials are often used in many ...

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Spoil bank | Definition of Spoil bank at Dictionary

a bank of excavated refuse or waste earth, as of shale from surface coal mining. Origin of spoil bank.

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LIVING NEAR INDIANA COAL MINES

Mine spoil is intermixed unconsolidated rock, rock fragments and soil that result f rom a surface mining operation. Coal refuse is waste coal and crushed rock impurities left as a result of coal processing. In its post ­mining state, mine spoil and coal refuse, if not vegetated, can be highly erosive, and can be a source of significant sed iment and acid mine drainage to streams. Mine Spoil Site Development Problems

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Interactive Map Viewer | Coal Authority

Coal Mining Theme - Higher Resolution Data The data available through the Higher Resolution Tab of the Interactive Viewer can be viewed at a scale larger than 1:25,000. This information is provided pursuant to the Environmental Information Regulations 2004 ("EIR"), and .

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Spoil bank | Definition of Spoil bank at Dictionary

Spoil bank definition, a bank of excavated refuse or waste earth, as of shale from surface coal mining. See more.

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Invertebrate conservation value of colliery spoil habitats ...

The pivotal role of coal mining in shaping the British way of life cannot be underestimated. For centuries coal mining has been an essential part of British industry and many regions were dependent on it, particularly South Wales. Coal was dug from the ground by generations of miners, and the spoil hauled and tipped on the surrounding valley sides.

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Determination of aquifer characteristics in spoil ...

Mine spoil valley fills are a by-product of mountaintop removal mining in the Appalachian coal mining region of the United States. These fills often result in large expanses of relatively flat land covering thousands of acres, which can be used for commercial or industrial development.

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Mountaintop Removal 101 > Appalachian Voices

Appalachian Voices commissioned a study in 2009 that showed nearly 1.2 million acres had been surface mined for coal and more than 500 mountains destroyed by mountaintop removal coal mining. In some counties, such as Wise County, Va., surface mining had impacted nearly 40% of the land area.

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Life Cycle Inventory of the disposal of lignite spoil ...

2.1 Spoil from coal and lignite mining Spoil is the non-target rock or sediment material, which is excavated during mining operations to gain access to the targeted coal or lignite vein. The annual global production of spoil is estimated to be 22'240 million tons from coal .

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BASE MATERIAL CHARACTERISATION OF SPOIL PILES AT .

ii Base material characterisation of spoil piles at BMA coal mines. Abstract. In open-cut strip mining, waste materials are placed in-pit to minimise the mine operational costs. The slope failures of these spoil piles can cause significant damage to human lives, machinery, and can delay mine operation.

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Soil quality index for evaluation of reclaimed coal mine ...

Unlike agricultural soils, coal mine spoil may have pollutants like trace metals and PAHs which need to be considered for mine soil quality assessment. Soil pollution is normally assessed by relating the pollutant levels to the environmental guidelines or by pollution indices like geo-accumulation index, pollution load index, enrichment factor, etc.

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