| Computer Code: |
ARBS |
Preferred Map Code: |
ARBS |
| Status Code: |
Full |
| Age range: |
Asbian Substage (CR)
— Asbian Substage (CR) |
| Lithological Description: |
Mudstone, siltstone and sandstone in thin cycles with thin beds of limestone, dolomite and coal. Predominantly non-marine origin. |
| Definition of Lower Boundary: |
Not known at outcrop; would be taken at the lithological change from the sandstone dominated sequences of the underlying Fife Ness Formation into relatively mudstone/siltstone-rich cyclical deposits. |
| Definition of Upper Boundary: |
The conformable top of the Formation lies in a transitional sequence to the Pittenweem Formation and is taken at the base of the Cuniger Rock Marine Band. |
| Thickness: |
Maximum thickness exceeds 810m in east Fife |
| Geographical Limits: |
East Fife. |
| Parent Unit: |
Strathclyde Group (SYG)
|
| Previous Name(s): |
Anstruther Beds [Obsolete Name and Code: Use ARBS]
(-3172)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Anstruther Wester on the Fife coast. |
| Partial Type Section |
Cuniger Rock on the Fife coast. |
| Partial Type Section |
Billow Ness on the Fife coast. |
| Reference(s): |
| Browne, M A E. 1986. The Classification of the Lower Carboniferous in Fife and Lothian. Scottish Journal of Geology, Vol. 22, 422-425. |
| Forsyth, I H and Chisholm, J I, 1977. The geology of east Fife. Memoirs of the Geological Survey of Great Britain. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S040
S032
S032
S049
S041
|
