NationMaster - Encyclopedia: Quarry

A quarry is a type of open-pit mine from which rock or minerals are extracted. Quarries are generally used for extracting building materials, such as dimension stone. Quarries are usually shallower than other types of open-pit mines. Quarry is most commonly used to describe a type of open-pit mine. ... Image File history File links Question_book-3. ... For other uses, see Limestone (disambiguation). ... Bellefonte is a borough in Centre County, Pennsylvania, United States. ... El Chino, located near Silver City, New Mexico, is an open-pit copper mine Open-pit mining, or opencast mining, refers to a method of extracting rock or minerals from the earth by their removal from an open pit or borrow. ... This article is about the geological substance. ... Minerals are natural compounds formed through geological processes. ... Concrete and metal rebar used to build a floor Building material is any material which is used for a construction purpose. ... Marble on a house Dimension stone is natural stone or rock that has been selected and fabricated (i. ...

A quarry is often mistaken for other types of open-pit or open-cast mines such as borrow or gravel pits. A borrow pit is a term used in construction and civil engineering. ... For the song, see Gravel Pit. ...

Quarries in level areas often have special engineering problems for drainage. The Coquina Quarry is excavated to more than sixty feet (18 meters) below sea level. To reduce surface leakage a moat, lined with clay, was constructed around the entire quarry. Ground water that seeps into the pit is pumped up into the moat. A cinder is a fragment of cooled pyroclastic material (lava or magma). ... Kaolin Kaolinite (Aluminium Silicate Hydroxide) Kaolinite is a mineral with the chemical composition Al2Si2O5(OH)4. ... Categories: Stub ... Limestone Quarry Construction aggregate, or simply, aggregate, is a broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, and recycled concrete. ... For other uses, see granite (disambiguation). ... The Salt Cellar, a gritstone tor on Derwent Edge in the Peak District Gritstone is a sedimentary rock composed of coarse sand grains with inclusions of small stones. ... For other uses, see Gypsum (disambiguation). ... For other uses, see Limestone (disambiguation). ... For other uses, see Marble (disambiguation). ... This article is about the geological formation. ... For other uses, see Slate (disambiguation). ... Engineering is the discipline and profession of applying scientific knowledge and utilizing natural laws and physical resources in order to design and implement materials, structures, machines, devices, systems, and processes that realize a desired objective and meet specified criteria. ... Drainage is the natural or artificial removal of surface and sub-surface water from a given area. ... The moated manor house of Baddesley Clinton in Warwickshire, England Moats (also known as a Fosse) were deep and wide water-filled trenches, excavated to provide a barrier against attack upon castle ramparts or other fortifications. ... For other uses, see Clay (disambiguation). ... Groundwater is any water found below the land surface. ...

Many quarries fill with water to become ponds or small lakes after abandonment for mining purposes. Others have become landfills.
Two people reflected in a fish pond A pond is typically a man made body of water smaller than a lake. ... For other uses, see Lake (disambiguation). ... Look up landfill in Wiktionary, the free dictionary. ...

See also

A clay pit is an open mine for the extraction of clay, which is generally used for manufacturing bricks. ... Collecting fossilized sharks teeth is an easy way to begin collecting fossils. ... For the song, see Gravel Pit. ... This page is intended as a list of all rock types. ... Gem animals. ... This is intended as a list of, or links to, stone currently or historically produced in various countries (not generic types of stone). ... Mountaintop removal mining (MTR) is a relatively new form of coal mining which takes the mountain off the coal. ...

External links

v • d • e

Mining techniques

Surface

Open-pit · Quarrying · Strip · Placer · Mountaintop removal

Sub-surface

Drift · Slope · Shaft · Hard rock · Borehole · Room and pillar · Longwall · Retreat

This article is about mineral extractions. ... This article does not cite any references or sources. ... El Chino, located near Silver City, New Mexico, is an open-pit copper mine Open-pit mining, or opencast mining, refers to a method of extracting rock or minerals from the earth by their removal from an open pit or borrow. ... Strip mining is the practice of mining a seam of mineral ore by first removing all of the soil and rock that lies on top of it. ... Miners operate a hydraulic sluice in San Francisquito Canyon, Los Angeles County. ... Mountaintop removal mining (MTR) is a relatively new form of coal mining which takes the mountain off the coal. ... Sub-surface mining or underground mining refers to a group of techniques used for the extraction of valuable minerals or other geological materials from the earth. ... Drift mining is a method of accessing valuable geological material, such as coal, by cutting into the side of the earth, rather than tunneling straight downwards (see shaft mine). ... Slope mining according to [1]: Slope mining occurs when an inclined opening is used to tap the coal seam (or seams). ... Abandoned mine shafts in Marl, Germany. ... Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals such as those containing metals like gold, copper, zinc, nickel and lead or gems such as diamonds. ... Borehole Mining (BHM) is a remote operated method of extracting (mining) of mineral resources through boreholes by means of high pressure water jets. ... Room and pillar refers to a hard-rock mining system, often used in coal mining and underground quarrying, in which material is extracted across a horizontal plane while leaving pillars of untouched material to support the roof. ... Longwall mining is form of underground coal mining. ... Retreat mining refers to an underground mining technique that involves the excavation of material from a chamber while leaving some material behind in the form of pillars that support the roof and prevent cave-ins. ...

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See also