| Computer Code: |
TGP |
Preferred Map Code: |
notEntered |
| Status Code: |
Full, pending ratification |
| Age range: |
Courceyan Substage (CF)
— Arundian Substage (CJ) |
| Lithological Description: |
Grey-black slates with siltstones and carbonate nodules, and limestone; coarse- and fine-grained tuffs also occur with agglomerate and lavas. |
| Definition of Lower Boundary: |
Drawn at base of grey-black slates of the Barras Nose Formation where they rest apparently conformably on grey slates of the Yeolmbridge Formation. |
| Definition of Upper Boundary: |
Drawn at unconformable upward passage from grey-black banded slates of the Trambley Cove Formation to green slates and limestone of the Buckator Formation. |
| Thickness: |
About 135 m. |
| Geographical Limits: |
Southwest England. |
| Parent Unit: |
Not Entered (?)
|
| Previous Name(s): |
Tintagel Volcanic Series [Obsolete Name and Code: Use TGP]
(-3079)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Tintagel, Devon, England. |
| Reference(s): |
| McKeown, M C, Edmonds, E A, Williams, M, Freshney, E C and Masson Smith, D J. 1973. Geology of the country around Boscastle and Holsworthy. Memoir of the British Geological Survey, sheets 322 and 323 (England and Wales). |
| Bisson, G, and others, 1967. South-western district. Annual Report of the Institute of Geological Science, 1966, p.57. |
| Freshney, E C. 1972. Geology of the coast between Tintagel and Bude. Memoirs of the Geological Survey of Great Britain. |
| Edmonds, E A and others, 1975. South-west England. British Regional Geology. |
| House, M R, Richardson, J B, Chaloner, W G, Allen, J R L, Holland, C H and Westoll, T S. 1977. A Correlation of Devonian rocks of the British Isles. Geological Society of London, Special Report No.8, Scottish Academic Press, Edinburgh. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
