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Study with Quizlet and memorize flashcards containing terms like contour strip mining, depletion time, high grade ore and more. ... Rock and other waste materials removed as impurities when waste mineral material is separated from the metal in an ore. strip mining. Form of surface mining in which bulldozers, power shovels, or stripping wheels ...
Study with Quizlet and memorize flashcards containing terms like area strip mining, contour strip mining, depletion time and more.
Contour Strip Mining. type of mining used on hilly or mountainous terrain. Placer Mining. method of extracting mineral ore by chained buckets and draglines used to scrape up minerals underwater mineral deposits. Underground Mining.
• Contour mining method is used in areas where a coal seam outcrops on the side of a hill, but the economics does not permit the complete removal of the overburden. • Mining proceeds along the outcrop along the hillside in a strip or series of strips until the …
Contour strip mining is a type of area strip mining that is used on hilly or mountainous terrain. This method involves removing the overlying rock and soil layers in a series of parallel strips that follow the contours of the landscape. ...
A mining technique that uses a large pit or hole in the ground, visible from the surface of Earth. Dredging Mining technique using draglines & chain buckets to scrape underwater mineral deposits
Strip mining is a surface mining method used to extract mineral deposits close to the earths surface by removing overburden, with techniques like area and contour mining …
Surface mining is often the preference for mining companies. This is because removing the terrain surface, or overburden, to access the mineral beneath is often more cost-effective than gouging tunnels and subterranean shafts to access minerals underground. This method is often …
Studia con Quizlet e memorizza le flashcard contenenti termini come area strip mining, contour strip mining, dredging e altri ancora. ... scoop ore off surface. subsurface mining. Extraction of a metal ore or fuel resource such as coal from a deep underground deposit expensive, hazardous for miners, less environmental damage, use shafts to ...
Contour Strip Mining. Contour strip mining is a variation of surface mining that is commonly used in hilly or mountainous areas. It involves the removal of overburden …
Contour strip mining is a method of surface mining used to extract coal that follows the contours along a hill or mountain side. Unlike traditional strip mining that removes vast and …
Removing large portions of rock and soil in order to access the ore underneath - overburden is put to the side in large piles called spoils Types of Surface Mining: 1. Open-put mining: keep digging down into Earth creating a large put 2. Contour Strip Mining: harvest ore in strips, follows the contour of the land, and done with horizontal ores and slopes terrain 3.
Strip mining is a kind of surface mining. The ore is very near to the surface of the land but has one or more layers of rock and filth on top of it. To mine the ore, these layers have to be removed. ... Contour Mining; Drift Mining ; Sulfur Mining; Mining FACTS; METAL MINING Aluminium Mining;
open-pit mining strip mining contour strip mining mountain top removal. Open-pit mining. machines dig very large holes and remove metal ores. ... ore mineral gangue. Ore mineral. containing the desired metal. Gangue. waste material. Tailings. the waste material from ores that produces piles of waste.
Surface Mining - done on the surface, spoil is what the waste soil and rock removed is called, etc... Contour Strip Mining - most likely used to mine coal on hilly terrain, steps are cut into mountain sides to reach materials, etc... Hydraulic Mining - Very destructive technique mostly used to mine gold in tropical regions, etc...
Study with Quizlet and memorize flashcards containing terms like area strip mining, asthenosphere, contour strip mining and more. ... ore containing a large amount of a desired mineral. igneous rock. rock formed when molten rock material (magma) wells up from the earth's interior, cools, and solidifies into rock masses ...
Define open-pit mining and strip mining, and distinguish among area strip mining, contour strip mining, and mountaintop removal mining.Restoration of Overburden Coal Mine Spoil.Overburden is the rock or soil layer that needs to be removed in order to access the ore being mined. Type of surface mining used where the terrain is flat.
Area strip mining is distinct from contour strip mining, which is applied on hilly terrains, involving the creation of terraces on slope sides to extract minerals. Surface mining methods, including open-pit mining, area strip mining, contour strip mining, and hydraulic mining, are essential for extracting near-surface ore bodies.
Study with Quizlet and memorize flashcards containing terms like contour strip mining, depletion time, high grade ore vs low grade ore and more.
Study with Quizlet and memorize flashcards containing terms like area strip mining, contour strip mining, depletion time and more. ... Ore containing a small amount of a desired mineral. mineral. Any naturally occurring inorganic substance found in the earth's crust as a crystalline solid. mineral resources.
Study with Quizlet and memorize flashcards containing terms like area strip mining, contour strip mining, depletion time and more. ... An ore typically contains two parts: the ore mineral, which contains the desired metal, and waste mineral material (gangue). overburden.
Contour strip mining Used on hilly/mountainess terrain - Power shovel cuts terraces is into hill, Earth mover movies overburden, power shovel extracts coal, overburden is dumped on terrace below it Surface mining control and Reclamation act of 1977
Contour Strip Mining. Heavy machinery cuts terraces into hillsides to expose and extract coal or minerals; ... Involves dropping cyanide onto ore to dissolve gold before extraction; Mining Disasters Marcopper Mining Disaster. Occurred on …
Contour Strip Mining – scraping ore from hilly areas 15. 1) Mechanical Extraction Method a thick deposit is generally mined in benches or steps, although thin deposits may require only a single bench or face. Of all the variations of mechanical surface excavation mining methods available, the three most common methods only will be described ...
Study with Quizlet and memorize flashcards containing terms like Area strip mining, Contour strip mining, Convergent plate boundary and more. Fresh features from the #1 AI-enhanced learning platform. Try it free
Strip mining is a type of mining technique where coal is obtained by open-pit mining. Area strip mining is used where the terrain is fairly flat, gigantic earthmovers strip away the overburden, and power shovels—some as tall as a 20-story building—remove the mineral deposit. Contour strip mining is used mostly to mine coal on hilly or ...
Study with Quizlet and memorize flashcards containing terms like area strip mining, asthenosphere, contour strip mining and more. ... ore containing a large amount of a desired mineral. igneous rock. rock formed when molten rock material (magma) wells up from the earth's interior, cools, and solidifies into rock masses ...
Area strip mining. used on flat terrain. Bulldozers strips the overburden and a power shovel digs out the ore. The spoils are put in the preceding row, creating a series of spoil banks. contour strip mining. used in hilly terrain; Uses a series of terraces and places spoils on the preceding terrace. Can leave a dirt highwall.
The ore lies near the surface and can be extracted by removing the overburden (covering layers of rock and soil). Surface Mining. 1 / 97. 1 / 97. Flashcards; Learn; Test; Match; Q-Chat; Created by. ... Contour Strip Mining. commonly leaves behind terraces in mountain sides. Auger or Highwall Mining.
Contour Strip Mining – scraping ore from hilly areas. 1) Mechanical Extraction Method a thick deposit is generally mined in benches or steps, although thin deposits may require only a single bench or face. Of all the variations of mechanical surface excavation mining methods available, the three most common methods only will be described here ...