• Basics of openpit mining SlideShare

    Basics of openpit mining SlideShare

    Mar 13, 2012 · What is Opencast Mining• Opencast mining is also known as Open pit mining, Open cut Mining, Surface or Strip Mining.• The coal upto economical depth will be excavated by OC Method.• The current operating depth of OC mines in SCCL is about 200m and SCCL proposed to operate OC mines upto a depth of 420m. Ex: MNG OC II Extension Project.•

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  • Coal Mining The Environmental Literacy Council

    Coal Mining The Environmental Literacy Council

    Surface mining—including open pit or strip mining—is less dangerous than underground mining, but has a greater impact on surface landscapes. Surface mining requires the removal of massive amounts of top soil (or overburden) in order to gain access to the coal seams, which can cause erosion, loss of habitat, and dust pollution.

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  • Underground mining (soft rock) Wikipedia

    Underground mining (soft rock) Wikipedia

    Underground soft rock mining is a group of underground mining techniques used to extract coal, oil shale, potash and other minerals or geological materials from sedimentary ("soft") rocks. Because deposits in sedimentary rocks are commonly layered and relatively less hard, the mining methods used differ from those used to mine deposits in igneous or metamorphic rocks (see Underground mining

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  • Certifiions Province of British Columbia

    Certifiions Province of British Columbia

    A Shiftboss Certifiion is required for those supervising more than six people in an active openpit or underground mine. This certifiion is only available through the Regional Mining Operations offices. Fireboss Certifiion (Underground Coal Mine Manager) Fireboss Certifiion is required to supervise people in underground coal mines.

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  • The many advantages of underground mining

    The many advantages of underground mining

    Apr 27, 2015 · Historically speaking, underground mining not only saves the mining area''s original form but also gives the mining company higher revenues. According to MiningGlobal.com, longwall mining, a type of underground mining that utilizes a longwall shearer, accounts for 50 percent of coal mines in the world and is much safer than other methods of coal mining.

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  • Open Cut or Underground Mining Which is better? Bend

    Open Cut or Underground Mining Which is better? Bend

    Oct 21, 2017 · Both opencut and underground mining is used in modern mining. The approaches are different, and there are advantages to each. Opencut mining. Opencut gets its name because that''s exactly what this type of mining looks like, a big open pit. This type of mining allows for the extraction of minerals that aren''t very far under the surface.

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  • Surface Coal Mining Methods in Australia

    Surface Coal Mining Methods in Australia

    Surface Coal Mining Methods in Australia 5 2. Open cut mining methods strip mining Largescale open cut coal mining operations commenced in Australia in mid 1960s and since then there has been significan t developments in this method of mining. The mines are now operating at significantly higher annual tonnages, growing deeper, more complex and

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  • The Advantages of Open Pit Mining Sciencing

    The Advantages of Open Pit Mining Sciencing

    Mar 13, 2018 · Open pit mining does offer some advantages over traditional deep shaft mining. Pit mining is more cost effective than shaft mining because more ore can be extracted and more quickly. The working conditions are safer for the miners because there is no risk of cave in or toxic gas. Open pit mining is the preferred

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  • Underground Mining Vale Open Pit Mining YouTube

    Underground Mining Vale Open Pit Mining YouTube

    May 08, 2013 · Canada and global mining industry This is one of a series of videos I edited for Vale. The producer I worked for travelled to many loions around the world. Shots were taken in the air, on the

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  • What is the difference between an open cast mine and an

    What is the difference between an open cast mine and an

    Surface mining Surface mining can be defined as," the extraction of valuable mineral/ore from the Earth in which mineral/ore is situated in shallow depth" Classifiion of Surface Mining Methods 1. Mechanical Extraction Method 2. Aqueous Extra

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  • What is the difference between strip and open pit mining

    What is the difference between strip and open pit mining

    Jun 13, 2019 · Geometry. Strip mines form a ''strip'', or lateral cut along the terrain, like a big ditch or trench, from which the material of interest (typically, in strip mines, coal) is removed sequentially along the trench, and then the former covering materi

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  • ESTIMATION OF CAPITAL COSTS FOR ESTABLISHING COAL

    ESTIMATION OF CAPITAL COSTS FOR ESTABLISHING COAL

    ESTIMATION OF CAPITAL COSTS FOR ESTABLISHING COAL MINES IN SOUTH AFRICA Moshe Mohutsiwa A research report submitted to the Faculty of Engineering and the Built Open pit mining 8 1.4. Underground coal mining 9 1.4.1. Room and pillar 9 1.4.2. Longwall 12 1.5. South African coal mining context 13

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  • Hambach surface mine Wikipedia

    Hambach surface mine Wikipedia

    The Tagebau Hambach is a large openpit coal mine (German: Tagebau) in Niederzier and Elsdorf, North Rhine–Westphalia, Germany. It is operated by RWE and used for mining lignite. The mine is on the site of the ancient Hambach Forest which was purchased by RWE in 1978. They then cut most of it down and cleared it to mine.

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  • The Advantages of Open Pit Mining Sciencing

    The Advantages of Open Pit Mining Sciencing

    Mar 13, 2018 · Open pit mining does offer some advantages over traditional deep shaft mining. Pit mining is more cost effective than shaft mining because more ore can be extracted and more quickly. The working conditions are safer for the miners because there is no risk of cave in or toxic gas. Open pit mining is the preferred

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  • Glossary of coal mining terminology Wikipedia

    Glossary of coal mining terminology Wikipedia

    Glossary of coal mining terminology. An adit is an underground level or tunnel to the surface for access or drainage purposes. A bell pit was a type of coal mine in which coal found close to the surface was extracted by sinking a shaft and removing coal from around it until the roof became unstable. It was then abandoned and left to

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  • Open pit mines LosApos

    Open pit mines LosApos

    The first iron ore extractions were made here in 1895. Beginning as a small underground mine, the land eventually became one vast open pit as other mines began to develop and emerge. The center of the actual pit is loed where the original town of Hibbing once stood. As the mine grew bigger, the town had to be moved.

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  • Open pit mines LosApos

    Open pit mines LosApos

    The first iron ore extractions were made here in 1895. Beginning as a small underground mine, the land eventually became one vast open pit as other mines began to develop and emerge. The center of the actual pit is loed where the original town of Hibbing once stood. As the mine grew bigger, the town had to be moved.

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  • Cost Models of Theoretical Mining Operations CostMine

    Cost Models of Theoretical Mining Operations CostMine

    This mine is an open pit mine producing 5,000 tonnes ore and 5,000 tonnes waste per day. Rock characteristics for both ore and waste are typical of those of granite or porphyritic material. Operating conditions, wage scales, and unit prices are typical for western U.S. mining operations. All costs listed are in 2012 US$.

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  • Coal mining in the United Kingdom Wikipedia

    Coal mining in the United Kingdom Wikipedia

    Coal mining employed 4,000 workers at 30 loions in 2013, extracting 13 million tonnes of coal. These mines achieved the most economically produced coal in Europe, with a level of productivity of 3,200 tonnes per man year. The three deeppit mines were Hatfield and Kellingley Collieries in Yorkshire and Thoresby in Nottinghamshire.

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  • What is the difference between strip and open pit mining

    What is the difference between strip and open pit mining

    Jun 13, 2019 · Geometry. Strip mines form a ''strip'', or lateral cut along the terrain, like a big ditch or trench, from which the material of interest (typically, in strip mines, coal) is removed sequentially along the trench, and then the former covering materi

    Get Price
  • Openpit Mining, Opencast Mining, Opencut Mining, Strip

    Openpit Mining, Opencast Mining, Opencut Mining, Strip

    Openpit mining, also known as opencast mining, opencut mining, and strip mining, means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. Coals are mined both from surface and underground. Contour mining is associated with coal. This bed of coal is loed at an elevation in a

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  • open pit coal mining vs underground coal mining

    open pit coal mining vs underground coal mining

    Coal mining methods Open vs Underground Mining. Opencast coal mining recuperates a higher quantity of the coal deposit compared to underground mining Huge opencast mines can size up to several square kilometres and the kinds of specialised equipment are as follows: under ground vs open pit coal mining in india

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  • Coal mining Underground mining Britannica

    Coal mining Underground mining Britannica

    Coal mining Coal mining Underground mining: In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata. Access to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam then facilitates the installation of service facilities

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  • Openpit mining Wikipedia

    Openpit mining Wikipedia

    Openpit, opencast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining.Openpit mines are used when deposits of commercially useful ore or rocks are found near the surface.

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  • Barapukuria underground coal mine and openpit coal mining

    Barapukuria underground coal mine and openpit coal mining

    Barapukuria underground coal mine and openpit coal mining project, Bangladesh Miners and workers of Barapukuria Source: Miners and workers of Barapukuria Coal Mine Company Ltd and Barapukuria Power Plant bring out a procession in Dinajpur yesterday to protest against the alleged corruption of the officials of the two projects.

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  • Cost Models of Theoretical Mining Operations CostMine

    Cost Models of Theoretical Mining Operations CostMine

    This mine is an open pit mine producing 5,000 tonnes ore and 5,000 tonnes waste per day. Rock characteristics for both ore and waste are typical of those of granite or porphyritic material. Operating conditions, wage scales, and unit prices are typical for western U.S. mining operations. All costs listed are in 2012 US$.

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  • Coal mining Choosing a mining method Britannica

    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

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  • Mine vs. Quarry What''s the difference? Ask Difference

    Mine vs. Quarry What''s the difference? Ask Difference

    A quarry is the same thing as an openpit mine from which minerals are extracted. The only nontrivial difference between the two is that openpit mines that produce building materials and dimension stone are commonly referred to as quarries. The word quarry can also include the underground quarrying for stone, such as Bath stone.

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  • Openpit Mining, Opencast Mining, Opencut Mining, Strip

    Openpit Mining, Opencast Mining, Opencut Mining, Strip

    Openpit mining, also known as opencast mining, opencut mining, and strip mining, means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. Coals are mined both from surface and underground. Contour mining is associated with coal. This bed of coal is loed at an elevation in a

    Get Price
  • CDC Mining Underground and Surface Mining Facts 2008

    CDC Mining Underground and Surface Mining Facts 2008

    Underground and Surface Mining Facts 2008 (HTML) Surface work loions include surface operations at underground mines, surface operations (strip or open pit), auger, culm banks, dredge, other surface operations, independent shops and yards, and mills or preparation plants. Mining sectors include coal operators, metal operators, nonmetal

    Get Price
  • Coal mining Underground mining Britannica

    Coal mining Underground mining Britannica

    Coal mining Coal mining Underground mining: In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata. Access to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam then facilitates the installation of service facilities

    Get Price
  • Coal mining Wikipedia

    Coal mining Wikipedia

    When coal seams are near the surface, it may be economical to extract the coal using open cut (also referred to as open cast, open pit, mountaintop removal or strip) mining methods. Opencast coal mining recovers a greater proportion of the coal deposit than underground methods, as more of the coal seams in the strata may be exploited. This equipment can include the following: Draglines which

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  • Coal mining: What are the largest coal mines in the world?

    Coal mining: What are the largest coal mines in the world?

    Jan 03, 2020 · The Saraji coal mine, also loed in the Bowen Basin of central Queensland, Australia, was estimated to contain 502Mt of recoverable coal reserves (442Mt proven and 60Mt probable) as of June 2019. Owned and operated by BHP Billiton Mitsubishi Alliance (BMA), the openpit coal mine has been producing since 1974.

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  • Mine vs. Quarry What''s the difference? Ask Difference

    Mine vs. Quarry What''s the difference? Ask Difference

    A quarry is the same thing as an openpit mine from which minerals are extracted. The only nontrivial difference between the two is that openpit mines that produce building materials and dimension stone are commonly referred to as quarries. The word quarry can also include the underground quarrying for stone, such as Bath stone.

    Get Price
  • What is the difference between an open cast mine and an

    What is the difference between an open cast mine and an

    Surface mining Surface mining can be defined as," the extraction of valuable mineral/ore from the Earth in which mineral/ore is situated in shallow depth" Classifiion of Surface Mining Methods 1. Mechanical Extraction Method 2. Aqueous Extra

    Get Price
  • What is Underground Mining? (with pictures)

    What is Underground Mining? (with pictures)

    Jan 20, 2020 · Underground mining is a technique used to access ores and valuable minerals in the ground by digging into the ground to extract them. This is in contrast with techniques like open pit mining, in which the surface layers of ground are scooped away to access deposits, or mountaintop removal, in which the top of a mountain is simply shaved off to access the ore inside.

    Get Price
  • Coal Mining The Environmental Literacy Council

    Coal Mining The Environmental Literacy Council

    Surface mining—including open pit or strip mining—is less dangerous than underground mining, but has a greater impact on surface landscapes. Surface mining requires the removal of massive amounts of top soil (or overburden) in order to gain access to the coal seams, which can cause erosion, loss of habitat, and dust pollution.

    Get Price
  • Drummond Company, Inc.

    Drummond Company, Inc.

    Drummond started his own coal mining business in Alabama. •DCI started exporting coal in the 1970s and subsequently established foreign sales offices in Japan, Italy, England and the Netherlands. •DCI expanded its operations into the underground coal mining and

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  • Why underground mines cost higher compared to surface coal

    Why underground mines cost higher compared to surface coal

    Apr 28, 2014 · Underground mining is more expensive because it''s more capital intensive. Home Sectors Consumer Why underground mines cost higher compared to surface coal mines. Why underground mines cost

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  • Mine vs. Quarry What''s the difference? Ask Difference

    Mine vs. Quarry What''s the difference? Ask Difference

    A quarry is the same thing as an openpit mine from which minerals are extracted. The only nontrivial difference between the two is that openpit mines that produce building materials and dimension stone are commonly referred to as quarries. The word quarry can also include the underground quarrying for stone, such as Bath stone.

    Get Price
  • CDC Mining Underground and Surface Mining Facts 2008

    CDC Mining Underground and Surface Mining Facts 2008

    Underground and Surface Mining Facts 2008 (HTML) Surface work loions include surface operations at underground mines, surface operations (strip or open pit), auger, culm banks, dredge, other surface operations, independent shops and yards, and mills or preparation plants. Mining sectors include coal operators, metal operators, nonmetal

    Get Price
  • Openpit Mining, Opencast Mining, Opencut Mining, Strip

    Openpit Mining, Opencast Mining, Opencut Mining, Strip

    Openpit mining, also known as opencast mining, opencut mining, and strip mining, means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. Coals are mined both from surface and underground. Contour mining is associated with coal. This bed of coal is loed at an elevation in a

    Get Price
  • Coal Mining The Environmental Literacy Council

    Coal Mining The Environmental Literacy Council

    Surface mining—including open pit or strip mining—is less dangerous than underground mining, but has a greater impact on surface landscapes. Surface mining requires the removal of massive amounts of top soil (or overburden) in order to gain access to the coal seams, which can cause erosion, loss of habitat, and dust pollution.

    Get Price
  • What is Underground Mining? (with pictures)

    What is Underground Mining? (with pictures)

    Jan 20, 2020 · Underground mining is a technique used to access ores and valuable minerals in the ground by digging into the ground to extract them. This is in contrast with techniques like open pit mining, in which the surface layers of ground are scooped away to access deposits, or mountaintop removal, in which the top of a mountain is simply shaved off to access the ore inside.

    Get Price
  • Why underground mines cost higher compared to surface coal

    Why underground mines cost higher compared to surface coal

    Apr 28, 2014 · Underground mining is more expensive because it''s more capital intensive. Home Sectors Consumer Why underground mines cost higher compared to surface coal mines. Why underground mines cost

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  • Underground v.s. Surface Coal Mines: Is Deep Drilling

    Underground v.s. Surface Coal Mines: Is Deep Drilling

    While underground mining requires an array of resources, equipment and financial backing, the method is best suited if the environment and coal potential harmonize. Longwall mining accounts for 50 percent of coal mines in the world and is much safer than other methods of coal mining.

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  • open pit coal mining vs underground coal mining

    open pit coal mining vs underground coal mining

    Coal mining methods Open vs Underground Mining. Opencast coal mining recuperates a higher quantity of the coal deposit compared to underground mining Huge opencast mines can size up to several square kilometres and the kinds of specialised equipment are as follows: under ground vs open pit coal mining in india

    Get Price
  • Coal mining Wikipedia

    Coal mining Wikipedia

    When coal seams are near the surface, it may be economical to extract the coal using open cut (also referred to as open cast, open pit, mountaintop removal or strip) mining methods. Opencast coal mining recovers a greater proportion of the coal deposit than underground methods, as more of the coal seams in the strata may be exploited. This equipment can include the following: Draglines which

    Get Price
  • Open Pit Mining Pros & Cons Sciencing

    Open Pit Mining Pros & Cons Sciencing

    Openpit mining is much safer than shaft mining. In underground mining, the threat of a cavein or release of toxic gas is a constant concern. When shaft mining was the most common method of ore extraction, thousands died in caveins, gas events and accidents involving equipment. In 1907 alone, more than 3,200 deaths related to mining occurred.

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  • What are the types of coal mining methods? Quora

    What are the types of coal mining methods? Quora

    Dec 29, 2016 · Commonly coal mining methods are divided into two kinds, open pit mining and underground mining. Open pit mining or surface mining method is used when coal seam position near the surface. While Underground mining is used when coal seam is far belo

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