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Chalk mining is the extraction of chalk from underground and above ground deposits by mining. [1] Mined chalk is used mostly to make cement and bricks . Chalk mining was widespread in Britain in the 19th century because of the large amount of construction underway (and the Industrial Revolution ). [ 2 ]
A Minecraft mod is a mod that changes aspects of the sandbox game Minecraft. Minecraft mods can add additional content to the game, make tweaks to specific features, and optimize performance. Thousands of mods for the game have been created, with some mods even generating an income for their authors.
Purfleet Chalk Pits is a 10.7-hectare (26-acre) geological Site of Special Scientific Interest in Purfleet in Essex. [1] [2] It is a Geological Conservation Review site.[3]The chalk pits expose sands and gravels which are associated with the ancient course of the River Thames.
Eaton Chalk Pit is a 0.16-hectare (0.40-acre) biological Site of Special Scientific Interest on the southern outskirts of Norwich in Norfolk. [ 1 ] [ 2 ] These former chalk mines are used by hibernating bats and the site has been monitored over a long period for research into bat ecology.
Chinnor Chalk Pit is a 20.4-hectare (50-acre) geological Site of Special Scientific Interest south of Chinnor in Oxfordshire. [ 1 ] [ 2 ] It is a Geological Conservation Review site. [ 3 ]
The entrance is a vertical shaft some 3 feet (1 m) in diameter falling, on an average, to a depth of 60 feet (20 m). The depth is regulated by the depth of the chalk layer from the surface, although chalk can be found within a few feet, or even inches, from the surface. A depth of from 45 to 80 feet or more, is a characteristic feature. [1]
The caves were used between 1830 and the 1860s for producing lime. The 25-inch to a mile (approx 1:2,500) Ordnance Survey map of 1862–63 describes the place as a "chalk pit" and marks an "engine house" and two remaining kilns. [9] A further investigation produced, among other evidence, a letter from the son of one of the workers. [10]
Citation Archived 2015-04-02 at the Wayback Machine: The site is a flat bottomed valley with steep sides. The unimproved chalk grassland has several nationally rare plants, including moon carrot, spotted catsear and pasque flower. The ancient strip lynchet field system is of archaeological interest. [49] [50] Marston Thrift: 37.7 hectares (93 ...
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