Computer Code: |
TMB |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Langsettian Substage (CA)
— Langsettian Substage (CA) |
Lithological Description: |
Mudstone. |
Definition of Lower Boundary: |
none recorded or not applicable
|
Definition of Upper Boundary: |
none recorded or not applicable
|
Thickness: |
2 m. |
Geographical Limits: |
Sanquhar Coalfield. |
Parent Unit: |
Scottish Lower Coal Measures Formation (LCMS)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
Cleal, C J, and Thomas, B A. 1996. British Upper Carboniferous stratigraphy. Geological Conservation Review Series. No. 11. (London: Chapman and Hall.) |
Dean, M T, Browne, M A E, Waters, C N and Powell, J H. 2011. A lithostratigraphical framework for the Carboniferous successions of northern Great Britain (onshore). British Geological Survey Research Report, RR/10/007. 165pp. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |