Computer Code: |
VSB |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Langsettian Substage (CA)
— Langsettian Substage (CA) |
Lithological Description: |
none recorded or not applicable
|
Definition of Lower Boundary: |
none recorded or not applicable
|
Definition of Upper Boundary: |
none recorded or not applicable
|
Thickness: |
none recorded or not applicable
|
Geographical Limits: |
none recorded or not applicable
|
Parent Unit: |
Pennine Lower Coal Measures Formation (PLCM)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
Smith, D B, 1994. Geology of the country around Sunderland. Memoir of the British Geological Survey, Sheet 21, (England and Wales). |
Ford, M. 1927. Shaft-sinking at Washington, Co. Durham. Transactions of the Institution of Mining Engineers, Vol. 74, 20-32. |
Hopkins, W and Philipson, A J. 1947. A record of the fossil shells and plants from the T sinking, Washington, Co. Durham. Transactions ofthe Institution ofMining Engineers, Vol. 106. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |