The BGS Lexicon of Named Rock Units — Result Details
Coal Pit Formation
Computer Code: | COP | Preferred Map Code: | notEntered |
---|---|---|---|
Status Code: | Pending Upgrade | ||
Age range: | Marine Isotope Stage 6 (QMIS006) — Marine Isotope Stage 3 (QMIS003) | ||
Lithological Description: | Sandy silty clay and interlaminated clay and fine-grained silty sand; clay generally stiff and overconsolidated with some pebbles. Shell fragments and complete valves abundant in places. | ||
Definition of Lower Boundary: | Basal erosion surface dissects Fisher, Ling Bank and Aberdeen Ground Formations. | ||
Definition of Upper Boundary: | Eroded at top by pre-Forth Formation erosive phases. | ||
Thickness: | 76 metres in erosive feature; lateral variations between 0-180 metres. | ||
Geographical Limits: | Not defined. | ||
Parent Unit: | Reaper Glacigenic Group (REAP) | ||
Previous Name(s): | Lower Upper Channel Deposits
(-808)
Upper Channel Deposits (-5062) |
||
Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
none recorded or not applicable | |||
Reference(s): | |||
Stoker, M S, Balson, P S, Long, D, and Tappin, D R. 2011. An overview of the lithostratigraphical framework for the Quaternary deposits on the United Kingdom continental shelf. British Geological Survey Research Report, RR/11/03. 48pp. | |||
Stoker, M S, Long, D, and Fyfe, J A. 1985. A revised Quaternary stratigraphy for the central North Sea. Report of the British Geological Survey, Vol. 17, No. 2. | |||
Cameron, T D J, and Holmes, R. 1999. The Continental Shelf. 125-139 in A revised correlation of Quaternary deposits in the British Isles. Bowen, D Q (editor). Special Report of the Geological Society of London, No. 23. | |||
Holmes, R. 1977. Quaternary deposits of the central North Sea 5. The Quaternary geology of the UK sector of the North Sea between 56° and 58° N. Report of the Institute of Geological Sciences, No. 77/14. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
none recorded or not applicable |