The BGS Lexicon of Named Rock Units — Result Details

Port Logan Formation

Computer Code: PLN Preferred Map Code: PLN
Status Code: Pending Upgrade
Age range: Llandovery Epoch (SL) — Llandovery Epoch (SL)
Lithological Description: Medium to thick-bedded greywacke with laminated silty mudstone units up to 120 metres thick.
Definition of Lower Boundary: Faulted.
Definition of Upper Boundary: Faulted.
Thickness: Not defined.
Geographical Limits: Not defined.
Parent Unit: Gala Group (GALA)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Area  Port Logan to Clanyard Bay, Scotland Sheet 1. 
McCurry, J. 1990. The geology of the Rhinns of Galloway, south west Scotland, south of the Portayew area. British Geological Survey, Onshore Geology Series, Technical Report, WA/90/66. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: