The BGS Lexicon of Named Rock Units — Result Details

Cabrach Sandstone Formation

Computer Code: CAB Preferred Map Code: SYMB
Status Code: Full
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Basal conglomerate overlain by grey, micaceous sandstones and beds of coarse conglomerate.
Definition of Lower Boundary: Basal conglomerate rests on gabbros of the Boganclogh Intrusion and on the Craigievor Formation of the Argyll Group, Dalradian Supergroup.
Definition of Upper Boundary: Faulted NW margin to outlier.
Thickness: Unknown
Geographical Limits: NW-SE-elongated outlier centred on Cabrach village, 6km x 1 to 2.5km.
Parent Unit: Crovie Sandstone Group (CRO)
Previous Name(s): Cabrach Sandstone [Obsolete Name And Code: Use CAB] (CABS)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Cabrach area; very poor, scattered exposures in Burn of Bank, Allt Deveron, Milltown Burn, Perkie Burn, Burn of Aldivalloch. 
Type Section  Cabrach Village, Sheet 75E. 
Reference(s):
Memoir of the British Geological Survey, Sheet 75, in preparation. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S085 S075