Geology of Cheshire


Geology of Cheshire

The Geology of Cheshire consists mainly of Triassic sandstones. To the north west of Cheshire, these sandstones are heavily faulted and the underlying Carboniferous Coal Measures are thrown up. Around the areas of Poynton and Macclesfield, the coal is close to the surface and was easily mined. Below the Coal Measures is the Millstone Grit, which appears towards the Derbyshire border on the flanks of the Peak District dome. [cite journal
last = Macchi
first = L.
coauthors =
title = A Field Guide to the Continental Permo-Triassic Rocks of Cumbria and Northwest Cheshire
journal = Liverpool Geological Society, Liverpool
issue =
pages = 88 pages
date = 1990
id =
accessdate =
]

The mid to east area of Cheshire forms the Cheshire Basin. This fault bounded graben structure was flooded on several occasions in the Permian and early Triassic periods resulting in the laying down of massive halite (salt) beds. Thes beds have been mined both by cavern working and hot water brine extraction for over 200 years mainly in the area around Northwich. The collapse of these worked out halite beds has given rise to one of Cheshire's noted features, the Cheshire Meres. [cite journal
last = Taylor
first = B
coauthors = Price R, and Trotter F
title = The geology of the Country around Stockport and Knutsford
journal = Memoir of the Geological Survey GB
issue =
pages = pp 20–22
date = 1963| id =
accessdate =
]

References

See also

* Geology of the United Kingdom
* Geology of England:* List of geology of English counties:* Geology of Shropshire
*Geology of Alderley Edge


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