The BGS Lexicon of Named Rock Units — Result Details

Auchencrow Burn Sandstone Formation

Computer Code: AUCR Preferred Map Code: AUCR
Status Code: Full
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Reddish brown coarse-grained to pebbly sandstones with intercalated tuffs, siltstones and mudstones, local conglomerates and one thin cornstone.
Definition of Lower Boundary: The top of the Eyemouth Volcanic Formation.
Definition of Upper Boundary: The unconformity with the overlying Devono-Carboniferous conglomerates.
Thickness: At least 430 m and probably up to 1400 m thick.
Geographical Limits: The Eyemouth area, along the Eye valley between Ayton and Reston.
Parent Unit: Reston Group (REST)
Previous Name(s): Lower Old Red Sandstone Group (LORS)
Auchencrow Burn Formation (-2569)
Alternative Name(s): none recorded or not applicable
Partial Type Section  A portion of the sequence near the top of the formation, is exposed in Auchencrow Burn [NT86 59] where it is overlain by Devono-Carboniferous strata. Greig, D C. 1988. 
Partial Type Section  Eye Water, east of Coveyheugh, near Reston. Greig, D C. 1988. 
Browne, M A E, Smith, R A and Aitken, A M. 2001. A lithostratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. Version 3. British Geological Survey Research Report RR/01/04. 
Greig, D C. 1988. Geology of the Eyemouth district. Memoir of the British Geological Survey, Sheet 34 (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used: