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A limestone pavement is a natural karst landform consisting of a flat, incised surface of exposed limestone that resembles an artificial pavement. [1] The term is mainly used in the UK and Ireland, where many of these landforms have developed distinctive surface patterning resembling paving blocks. [ 2 ]
Warton Crag is a limestone hill in north west Lancashire, England. It lies to the north west of Warton village, in City of Lancaster district. At 163 metres (535 ft) it is the highest point in the Arnside and Silverdale Area of Outstanding Natural Beauty , [ 1 ] and is listed as a " HuMP " or "Hundred Metre Prominence", having a "drop" or ...
The solubility of the limestone in weakly acidic water has resulted in the development of a wide range of surface karst features such as limestone pavements, dry valleys, sinkholes and resurgences along with very extensive cave networks including the Three Counties System which, with over 86km of known passage, is the longest in the UK. [9]
The quarry which is operated by Tarmac produces Carboniferous Limestone, which is mainly for use on the roads, [1] after crushing on site. [2] The site has an expected output of 28 million tonnes over a 25-year period. [3] In 1999 the car park at the quarry was used as a test site for a porous asphalt pavement. [4]
There is an old limestone quarry near the summit of the hill, this is now an SSSI, being home to a rare species of newt that breeds in the old quarry lakes. The summit is a large expanse of limestone outcrops and pavement, which is also a designated SSSI. The fragile limestone habitat supports various rare calcareous species of flora and fauna.
In 2022, Auto Trader began a partnership with the Office for National Statistics sharing its used car pricing data to power its official measures of inflation, including the Consumer Prices Index. [28] Also in 2022, Auto Trader acquired Autorama, owner of Vanarama, one of the UK’s largest transactional marketplaces for leasing new vehicles. [29]
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The formation of Carboniferous Limestone was followed by the deposition of dark marine shales, siltstones and coarse sandstones of the Millstone Grit, notably in the area later uplifted to form the Pennine anticline. This sequence can be seen in the Yorkshire Dales with Ingleborough protruding up above the Carboniferous Limestone landscape below.