The BGS Lexicon of Named Rock Units — Result Details

Pittenweem Formation

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 (-457)
Alternative Name(s): none recorded or not applicable
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. 
Browne, M A E, 1986. The Classification of the Lower Carboniferous in Fife and Lothian. Scottish Journal of Geology, Vol.22, p.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