Mining
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Mining (pronunciation: /ˈmaɪ.nɪŋ/)
Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. These deposits form a mineralized package that is of economic interest to the miner.
Etymology
The term "mining" comes from the Old English "myne," meaning a pit. This term evolved into the Middle English "mining," meaning the process of extracting rocks or minerals from the earth.
Related Terms
- Ore: A naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
- Mineral: A solid, naturally occurring inorganic substance with a definite chemical composition and a crystalline structure.
- Geology: The science that deals with the earth's physical structure and substance, its history, and the processes that act on it.
- Vein (geology): A distinct sheetlike body of crystallized minerals within a rock.
- Seam (geology): A layer of a specified material in the earth's strata.
- Reef (geology): A rock, sandbar, or other feature lying beneath the surface of the water.
- Placer deposit: An accumulation of valuable minerals formed by gravity separation during sedimentary processes.
See Also
External links
- Medical encyclopedia article on Mining
- Wikipedia's article - Mining
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