The BGS Lexicon of Named Rock Units — Result Details

Doularg Formation

Computer Code: DOUL Preferred Map Code: DOUL
Status Code: Full
Age range: Caradoc Series (O4) — Caradoc Series (O4)
Lithological Description: Silty mudstones.
Definition of Lower Boundary: Conformably overlies another part of the Albany Group.
Definition of Upper Boundary: Faulted against the Albany Group.
Thickness: 24m+
Geographical Limits: Not defined.
Parent Unit: Albany Group (ALBY)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Plantation Burn, Doularg, Geological Sheet S008W. 
Reference(s):
Ingham, J K and Tripp, R P. 1991. The trilobite fauna of the Middle Ordovician Doularg Formation of the Girvan district, Scotland and its palaeoenvironmental significance. Transactions of the Royal Society of Edinburgh, Vol.82 (1), p. 27 - 54. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S008