| Computer Code: |
PMB |
Preferred Map Code: |
PMB |
| Status Code: |
Full |
| Age range: |
Asbian Substage (CR)
— Asbian Substage (CR) |
| Lithological Description: |
Mudstone and siltstone with thin beds of limestone and dolomite; sandstone is subordinate; pattern of sedimentation cyclic with non-marine origin dominant over marine. |
| Definition of Lower Boundary: |
The conformable base of the Formation lies in a transitional sequence up from the Anstruther Formation and is drawn at the base of the Cuniger Rock Marine Band. |
| Definition of Upper Boundary: |
The conformable top of the Formation lies in a transitional sequence to the Sandy Craig Formation and is taken at the top of the St. Andrews Castle Marine Band. |
| Thickness: |
Maximum thickness is 220m+ in East Fife |
| Geographical Limits: |
Central and East Fife. |
| Parent Unit: |
Strathclyde Group (SYG)
|
| Previous Name(s): |
Pittenweem Beds [Obsolete Name and Code: Use PMB]
(-457)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Shore at St. Andrews, Fife. |
| Partial Type Section |
(Basal contact) Cuniger Rock on the Fife coast. |
| Partial Type Section |
(Top contact) Kilconquhar Mains Borehole (BGS Ref.No. NO40SE/26) from 700m to 830m. |
| Reference(s): |
| Forsyth, I H, and Chisholm, J I. 1977. The geology of east Fife. Memoirs of the Geological Survey of Great Britain. |
| Browne, M A E. 1986. The Classification of the Lower Carboniferous in Fife and Lothian. Scottish Journal of Geology, Vol. 22, 422-425. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S040
S032
S032
S049
S041
|
