Computer Code: |
CGI |
Preferred Map Code: |
CGI |
Status Code: |
Full |
Age range: |
Kinderscoutian Substage (CK)
— Kinderscoutian Substage (CK) |
Lithological Description: |
Silty mudstone, calcareous and siliceous, shelly with beds of siltstone and sandstone. |
Definition of Lower Boundary: |
Sharp contact between sandstone bed at the base of the unit and the underlying siltstone. |
Definition of Upper Boundary: |
Sharp contact between fossiliferous sandstone and the overlying mudstone. |
Thickness: |
3.54m in type section, 0 - 16m elsewhere |
Geographical Limits: |
Present in the Harrogate, Leeds, Masham and Pateley Bridge areas. |
Parent Unit: |
Hebden Formation (HEBD)
|
Previous Name(s): |
Cayton Gill Beds [Obsolete Name and Code: Use CGI]
(-3921)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
West side of Cayton Gill near Ripley, north of Harrogate. Cooper and Burgess, 1993. |
Reference(s): |
Fox-Strangways, 1873. The geology of the country north and east of Harrogate. Memoir of the Geological Survey (England & Wales). London HMSO. |
Fox-Strangways, 1908. The geology of the country north and east of Harrogate (2nd edition). Memoir of the Geological Survey (England & Wales). London HMSO. |
Tute, J S. 1886. The Cayton Gill Beds. Proceedings of the Yorkshire Geological Society, Vol. 9, p. 265 - 267. |
Hudson, R G S, 1938. The geology of the country around Harrogate. Proceedings of the Geologists' Association, Vol.49, 306-330. |
Hudson, R G S. 1939. The Millstone Grit succession of the Simonseat Anticline, Yorkshire. Proceedings of the Yorkshire Geological Society, Vol. 23, p. 319 - 349. |
Wilson, A A. 1977. The Namurian rocks of the Fewston area. Transactions of the Leeds Geological Association, Vol.9, 1-42. |
Wilson, A A and Thompson, A T. 1965. The Carboniferous section in the Kirkby Malzeard area, Yorkshire. Proceedings of the Yorkshire Geological Society. Vol 35, 203-227. |
Godwin, C G. 1973. The geology of the Ure valley water main trenches 1969 - 1971. Proceedings of the Yorkshire Geological Society, Vol. 39, p. 537 - 546. |
Cooper, A H and Burgess, I C. 1993. Geology of the country around Harrogate. Memoir for 1:50000 geological sheet 62 (England and Wales). London: HMSO for the British Geological Survey. |
Wilson, A A. 1960. The Carboniferous rocks of Colsterdale and neighbourhood, Yorkshire. Proceedings of the Yorkshire Geological Society, Vol. 32, p. 429 - 452. |
Burgess, I C and Cooper, A H. 1980. The Farnham (IGS) borehole near Knaresborough, North Yorkshire. Report of the Institute of Geological Sciences, No.80/1, pp.12-17. |
Hudson, R G S. 1934. The Millstone Grit succession south of Harrogate. Transactions of the Leeds Geological Association, Vol. 5, 118-124. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E070
E051
E062
|