Stone industry
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Stone industry refers to the part of the primary sector of the economy, similar to the mining industry, but concerned with excavations of stones, in particular granite, marble, slate and sandstone. Other products of the industry include crushed stone and dimension stone.
Stone industry is one of the oldest in the world. Creation of stone tools (microliths industry) in the region of South Africa has been dated to about 60,000-70,000 years ago.[1] Granite and marble mining existing as far back as Ancient Egypt.[2] Crushed stone was used extensively by the first great road building civilizations, such as Ancient Greece and Ancient Rome.[3]
References
- ↑ Alfred J. Andrea; Kevin McGeough; William E. Mierse; Mark Aldenderfer, Carolyn Neel (28 February 2011). World History Encyclopedia. ABC-CLIO. p. 145. ISBN 978-1-85109-929-0. Cite uses deprecated parameter
|coauthors=(help) - ↑ Nelson L. Nemerow (27 January 2009). Environmental Engineering: Environmental Health and Safety for Municipal Infrastructure, Land Use and Planning, and Industry. John Wiley & Sons. p. 40. ISBN 978-0-470-08305-5.
- ↑ John J. McKetta Jr (14 November 1995). Encyclopedia of Chemical Processing and Design: Volume 54 - Steam Reforming: Operating Experience to Storage Tank Explosion Safeguards. CRC Press. p. 281. ISBN 978-0-8247-2605-8.
External links
- The state of the world stone industry, 2004, Stone World
- Stone Industry Statistical Data (US)
- World statistical data
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