Computer Code: |
USI |
Preferred Map Code: |
US |
Status Code: |
Full |
Age range: |
Devensian Stage (QD)
— Devensian Stage (QD) |
Lithological Description: |
Laminated silt and clay, generally red-brown. |
Definition of Lower Boundary: |
Generally conformable on Mill of Forest Till Formation. |
Definition of Upper Boundary: |
Generally overlain conformably by the Drumlithie Sand and Gravel Formation. |
Thickness: |
Very variable, generally 3 to 4m; 7.7m proved in boreholes. |
Geographical Limits: |
Howe of Mearns area and flanking the coastline between Stonehaven and the mouth of the River Dee. |
Parent Unit: |
Mearns Glacigenic Subgroup (MDR)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Partial Type Section |
BGS borehole NO88NE/4, 20m west of the Houff of Ury, Stonehaven, from 14.5 to 18.5m depth in borehole. |
Reference Section |
Cliff exposure, 550m south of Pitcorry Farmhouse, Inverbervie. |
Reference Section |
BGS borehole NO88NW/13 at Craigie's Wood, Stonehaven, from 6.5 to 12.8m depth in borehole. |
Reference(s): |
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: |
S066
S067
|