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Flint mining is the process of extracting flint from underground. Flint mines can be as simple as a pit on the surface or an area of quarrying, or it may refer to a series of shafts and tunnels used to extract flint. Flint has been mined since the Palaeolithic, but was most common during the Neolithic.
The site is dotted with millions of scraps of worked flint and numerous mining pits, that Neolithic settlers have gradually turned into vertical mine shafts to depths of over 10 m (33 ft). Underneath is an elaborate man-made network of caverns accessible via the many shafts.
A drum hoist (steel wire rope visible) and motor. In underground mining a hoist or winder [1] is used to raise and lower conveyances within the mine shaft.Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solid-state converters (), although modern large hoists use alternating current drives that ...
Flint Engine Operations (previously, Flint Engine South) is a General Motors automobile engine factory in Flint, Michigan. The plant opened in 2002 and is named to replace the Flint North engine plant. The plant currently produces the small four-cylinder SGE and Duramax I6 engines.
Grime's Graves is a large Neolithic flint mining complex in Norfolk, England.It lies 8 km (5.0 mi) north east from Brandon, Suffolk in the East of England.It was worked between c. 2600 and c. 2300 BCE, although production may have continued through the Bronze and Iron Ages and later, owing to the low cost of flint compared with metals.
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Pages in category "Flint mining" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. ...
DETROIT — General Motors has temporarily halted vehicle production at two U.S. factories that assemble highly profitable large pickups and SUVs due to impacts to suppliers as a result of ...