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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.
Rotary table (#20) rotates, along with its constituent parts, the kelly and kelly bushing, the drill string and the attached tools and bit. Shale shaker (#2) separates drill cuttings from the drilling fluid before it is pumped back down the wellbore. Stand (#16) is a section of 2 or 3 joints of drill pipe connected and stood upright in the ...
A piece of flint 9–10 cm (3.5–3.9 in) long, weighing 171 grams. Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, [1] [2] categorized as the variety of chert that occurs in chalk or marly limestone. Historically, flint was widely used to make stone tools and start fires.
Download as PDF; Printable version; In other projects Wikidata item; ... Pages in category "Flint mining" The following 7 pages are in this category, out of 7 total.
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The site is remarkably well preserved, despite agricultural activity over parts of it, and the digging of shafts for coal mining in some areas. At the time of the site's nomination as a National Historic Landmark, detailed examination of the site for specific work areas had not taken place; the entire site is covered with chipped and flaked stone.
Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... This is a partial list of current and defunct mines in Ashland. Name County Years ...
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.