| Computer Code: |
SMSA |
Preferred Map Code: |
SMSA |
| Status Code: |
Full |
| Age range: |
Devonian Period (D)
— Devonian Period (D) |
| Lithological Description: |
Sandstone, arkosic, micaceous, medium- to coarse-grained, scattered pebbles, dark red-brown. |
| Definition of Lower Boundary: |
Not exposed. Almost certainly unconformable on granite, and crystalline basement. |
| Definition of Upper Boundary: |
Not exposed. Locally overlain by Moreseat Sandstone Formation (Cretaceous), or Buchan Ridge Gravel Member. |
| Thickness: |
c.10m |
| Geographical Limits: |
Buchan Ridge, of Flett and Read, 1921; 1:10 000 sheets NK04SW, 1:50 000 sheets 87W (Ellon) and 87E (Peterhead) (on join). |
| Parent Unit: |
Not Entered (?)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
British Geological Survey registered pits NK04SW 18 and 19 Moss of Cruden, Aberdeenshire. |
| Reference(s): |
| Hall, A M and Jarvis, J, 1994. A concealed Lower Cretaceous outlier at Moss of Cruden, Grampian Region, Scotland. Scottish Journal of Geology, Vol.30, 163-166. |
| Flett, J S and Read, H H, 1921. Tertiary gravels of the Buchan district of Aberdeenshire. Geological Magazine, Vol.58, p.215-225. |
| Merritt, J W, Auton, C A, Connell, E R, Hall, A M and Peacock, J D. 2003. The Cainozoic geology and landscape evolution of north-east Scotland. Memoir of the British Geological Survey, Sheets 66E, 67, 76E, 77, 86E, 87W, 87E, 95, 96W, 96E and 97 (Scotland) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S087
S087
|
