The BGS Lexicon of Named Rock Units — Result Details

Strathpeffer Group

Computer Code: STRA Preferred Map Code: notEntered
Status Code: Full, pending ratification
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Red shales and sandstone, olive shales and fetid, calcareous, bituminous beds.
Definition of Lower Boundary: Drawn at base of olive shales and calcareous bands of the Ord Beds where they rest conformably on conglomerate and breccia of the Kilmorack Group.
Definition of Upper Boundary: Drawn at unconformable upward passage from red shales and sandstones of the Strathpeffer Group to the Knock Farril Conglomerate.
Thickness: Not known.
Geographical Limits: Highland, Scotland.
Parent Unit: Not Entered (?)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Strathpeffer, Highland, Scotland. 
Reference(s):
Johnston, G S and Mykura, W. 1989. British regional geology: the Northern Highlands (4th edition) (London: HMSO for the British Geological Survey.) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable