Computer Code: |
DBN |
Preferred Map Code: |
DBN |
Status Code: |
Full |
Age range: |
Wenlock Epoch (SW)
— Wenlock Epoch (SW) |
Lithological Description: |
Dark greenish grey shaly mudstones in lower part, overlain by greenish grey sandstones, siltstones and silty mudstones. |
Definition of Lower Boundary: |
Sharp boundary on sandstones of Birkenhead Sandstone. |
Definition of Upper Boundary: |
Transition to reddish-grey sandstones and siltstones of Monument Formation. |
Thickness: |
70m |
Geographical Limits: |
Muirkirk to Strathaven area, Strathclyde region, Central Scotland. |
Parent Unit: |
Waterhead Group (Cf Glenbuck Group) (WHD)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Exposures in Dippal Burn. |
Reference(s): |
Walton, E K, 1965. "In" Craig, G Y, (Editor). The Geology of Scotland: Lower Palaeozoic rocks. Oliver and Boyd, Edinburgh, 161-227. |
Jennings, J S. Not published. The geology of the eastern part of the Lesmahagow Inlier. Ph.D.Thesis, University of Edinburgh, 1961. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S023
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