Definition of contour mining - Mindat.org

Definition of contour mining Surface mining that progresses in a narrow zone following the outcrop of a coal seam in mountainous terrain, and the overburden, removed to gain access to the mineral commodity, is immediately placed in the previously mined area, such that reclamation is carried out contemporaneously with extraction.

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Coal Surface Mining, Contour Mining - Mine Engineer.Com

The Contour or Bench method of surface or strip mining is usually associated with coal, where a seam or multiple seams are located at a certain elevation or elevations through a mountain or hill. Contour mining allows for the extraction of coal from mountainous areas, where it is not feasible to extract the entire seam, using mountain top removal mining.

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Contour strip mining | coal mining | Britannica

2-7-2020· Other articles where Contour strip mining is discussed: auger mining: Augering is usually associated with contour strip-mining, recovering coal for a limited depth beyond the point where stripping becomes uneconomical because the seam of coal lies so far beneath the surface.

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What is Strip Mining? - Definition from Safeopedia

The second approach, called contour mining, is used on hilly terrain and involves stripping land in a manner that mirrors its topography. Safeopedia explains Strip Mining Strip-mining processes are subject to a variety of occupational and environmental health and safety regulations in any advanced country in which the activity is practiced.

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Contour | Definition of Contour by Merriam-Webster

Contour definition is - an outline especially of a curving or irregular figure : shape; also : the line representing this outline. How to use contour in a sentence. Synonym Discussion of contour.

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Contour - definition of contour by The Free Dictionary

Define contour. contour synonyms, contour pronunciation, contour translation, English dictionary definition of contour. n. 1. a. The outline of a figure, body, or mass. See Synonyms at form. b. A line that represents such an outline. See Synonyms at outline. 2.

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STRIP MINING | definition in the Cambridge English …

strip mining meaning: 1. a method of obtaining substances such as coal from the ground that involves removing the top…. Learn more.

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

This section describes the five main types of surface coal mining techniques: area mining, open pit mining, contour mining, auger mining, and mountaintop removal. Underground mining is also considered in this section. Terrain, economics, and custom generally dictate which technique an operator chooses.. All surface or strip mining first removes the overlying vegetation, soil and underground ...

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Contour | Definition of Contour at Dictionary.com

Contour definition, the outline of a figure or body; the edge or line that defines or bounds a shape or object. See more.

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Contour Mining and Construction | General Contractor in ...

We are poised to forge a new standard in the mining and site development industries. Contour is headquartered in Columbia, South Carolina, and we are able to mobilize on any project in the Southeast. We are a licensed general contractor with unlimited status in South Carolina and North Carolina, and we are bonded for jobs in excess of $20,000,000.

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STRIP MINING | definition in the Cambridge English …

strip mining meaning: 1. a method of obtaining substances such as coal from the ground that involves removing the top…. Learn more.

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CONTOUR | meaning in the Cambridge English Dictionary

contour definition: 1. the shape of a mass of land or other object, especially its surface or the shape formed by its…. Learn more.

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Surface mining - Wikipedia

"Strip mining" is the practice of mining a seam of mineral, by first removing a long strip of overlying soil and rock (the overburden); this activity is also referred to as "overburden removal".It is most commonly used to mine coal and lignite (brown coal).Strip mining is only practical when the ore body to be excavated is relatively near the surface.

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Open-pit Mining, Opencast Mining, Open-cut Mining, …

Sometimes it was also called contour mining as it was the closest form of surface mining in Appalachia. In West Virginia this method of mining was introduced in the 1916 and it was supported by steam technology. In Tennessee this method started slowly but the production like any other mountain states eventually shot up.

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Contoured | Definition of Contoured at Dictionary.com

Contoured definition, the outline of a figure or body; the edge or line that defines or bounds a shape or object. See more.

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Contour Mining Flashcards | Quizlet

Contour Mining. STUDY. PLAY. Contour Mining - Used in areas where a coal seam outcrops on the side of a hill, but not economical to remove all of overburden. Phases of Contour Mining - Removal of top soil - Drill bench preparation - drilling and blasting of overburden - removal of overburden

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Area mining | mining | Britannica

2-7-2020· Other articles where Area mining is discussed: strip mining: …strip-mining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type. The cycle of operations for both techniques consists of vegetation clearing, soil removal, drilling and blasting of overburden (if needed), stripping, removal of the coal or other mineral commodity, and reclamation.

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Employment - Contour Mining and Construction, LLC

JOIN OUR TEAM! We are continuously searching for motivated, honest individuals, in search of a rewarding career in the mining / construction industry. We offer a fast paced career with upward mobility and excellent compensation. We currently have the following positions available: Mining Foreman Construction Foreman (Concrete and site prep) Haul truck operator (Articulated or…

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Recontour | Definition of Recontour by Merriam-Webster

Recontour definition is - to reshape the contour of (something). How to use recontour in a sentence.

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Définitions : contour - Dictionnaire de français Larousse

Définitions de contour. Ligne ou surface qui limite extérieurement un corps, qui permet de le définir, de le déterminer, de le préciser ; tour, forme : Une statue aux contours harmonieux. Forme, aspect général de quelque chose : Le projet a des contours assez imprécis. Ligne qui limite une forme arrondie : Le contour d'un visage. Partie du cours d'un fleuve, du tracé d'une route, etc ...

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CONTOUR | meaning in the Cambridge English Dictionary

contour definition: 1. the shape of a mass of land or other object, especially its surface or the shape formed by its…. Learn more.

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contour meaning and definition

contour meaning. Meaning and Definition of contour. Synonyms, Antonyms, Derived Terms, Anagrams and senses of contour. What is contour?

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Recontour | Definition of Recontour by Merriam-Webster

Recontour definition is - to reshape the contour of (something). How to use recontour in a sentence.

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Environmental Effects of Contour Coal Strip Mining ...

Environmental Effects of Contour Coal Strip Mining: Hydrologic Impact Summary Report: Contributors: Bruce A. Tschantz, University of Tennessee, Knoxville. Civil Engineering Department, Argonne National Laboratory, United States. Department of Energy. Office of Health and Environmental Research: Publisher: University of Tennessee, 1982: Original ...

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What is Strip Mining? (with pictures) - wiseGEEK

12-7-2020· In contour strip mining, strips are dug out around the contours of a mountain, and miners must be more careful to avoid collapses and other problems which can cause injuries or deaths. As one might imagine from the description, strip mining can be extremely disruptive.

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APES mining vocab Flashcards | Quizlet

CONTOUR MINING. Form of mining used on hilly or mountainous terrain. A power shovel cuts a series of terraces into the side of a hill. An earthmover removes the overburden, and a power shovel extracts the coal, with the overburden from each new terrace dumped onto the one below.

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What is Contour Plowing? - Definition from Safeopedia

4-11-2018· Contour plowing is the act of farming on a hill or a contoured area. The plow follows the contours of the land horizontally helping to reduce runoff of water. This practice helps to prevent soil erosion in hilly and contoured areas by capturing the water runoff using water breaks to …

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contour ditch - definition - English - Glosbe

translation and definition "contour ditch", Dictionary English-English online. contour ditch. ... including planting trees on contour ridges or furrows and cut-off ditches associated with half-moon microcatchments, ... running almost parallel to the contours of the slope, and to divert it to the mining areas. WikiMatrix.

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Mountaintop removal mining - Wikipedia

Mountaintop removal mining (MTR), also known as mountaintop mining (MTM), is a form of surface mining that involves the topographical alteration and/or removal of a summit, hill, or ridge to access buried coal seams.. The MTR process involves the removal of coal seams by first fully removing the overburden lying atop them, exposing the seams from above.

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Mining Facts for Kids

22-5-2020· Mining is the process of mining stuff out of the ground. Any material that cannot be grown must be mined. Mining things from the ground is called extraction.Mining can include extraction of metals and minerals, like coal, diamond, gold, silver, platinum, copper, tin and iron.Mining can also include other things like oil and natural gas.. Some mining is done by scraping away the soil (dirt ...

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