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Encyclopedia > Stone quarry
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A small cinder quarry
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A dimension stone 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.


People in some English-speaking countries are unlikely to make the distinction between this type of mine and any other type of open-pit or open-cast borrow or gravel pit mining operation.

Image:Quarry8093.JPG

Coquina Quarry
Sixty feet below sea level
Conway, South Carolina

Quarries in level areas often have special engineering problems for drainage. The coquina quarry at the right is excavated to more than sixty feet (18 meters) below sea level. To reduce surface leakage a moat, lined with clay, was contructed around the entire quarry. Ground water that seeps into the pit is pumped up into the moat.


Many quarries fill with water to become ponds or small lakes after abandonment for mining purposes. Others have become landfills.


Types of rock extracted from quarries include:

See also


  Results from FactBites:
 
Stone Quarries (2742 words)
The stone was scored, and with hammers and chisels broken into paving and curb-sized blocks, 16 inches by four feet or curb-sizes.
Every quarry had its own kiln until the turn of the century, and, because the lime made from stone in this area was the whitest and strongest on the market, it was in demand regardless of cost, most of which was shipping cost.
The Lannon stone quarries are being circled by subdivisions, and population brings regulations and controls which may, in time, strangle this famous industry.
Excite Deutschland - Business - Construction and Maintenance - Materials and Supplies - Masonry and Stone - Natural ... (490 words)
Quarriers and suppliers of natural stones for architectural and landscaping masonry, including gneiss, quartzite, schist, limestone, sandstone and marble.
Quarry producer and exporter of slate in a variety of colors for use in roofing, flooring, paving, wall cladding, and billiard tabletop slate.
Quarry owners, fabricators and importers/exporters of foreign and domestic granite and marble.
  More results at FactBites »


 

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