The BGS Lexicon of Named Rock Units — Result Details

Arbroath Sandstone Member

Computer Code: AHS Preferred Map Code: AHS
Status Code: Full
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Green or purplish grey to bright purple-red, cross-bedded fine- to medium-grained sandstones with local intraformational conglomerates containing concretionary limestone clasts and rare mudstone beds.
Definition of Lower Boundary: The top of the Auchmithie Conglomerate Member
Definition of Upper Boundary: Not seen, although unconformably overlain by the Stratheden Group (Upper Devonian).
Thickness: Up to 365m thick.
Geographical Limits: The south east limb of the Sidlaw Anticline, in the Dundee-Montrose area, on sheets 49 and 57.
Parent Unit: Scone Sandstone Formation (SCN)
Previous Name(s): Arbroath Sandstone Formation (-1306)
Arbroath Formation (-634)
Tannadice Formation (*943)
Arbroath Sandstone (-3794)
Alternative Name(s): Tannadice Sandstone Member
Stratotypes:
Type Section  Arbroath wave-cut platform and foreshore, east coast of Angus. Armsrtrong et al, 1985. 
Partial Type Section  Wave-cut platform about 1km north-east of Carnoustie. Armstrong et al., 1985. 
Reference(s):
Armstrong, M and Paterson, I B, 1970. The Lower Old Red Sandstone of the Strathmore Region. Report of the Institute of Geological Sciences No.70/12 
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. 
Armstrong, M, Paterson, I B and Browne, M A E, 1985. Geology of the Perth and Dundee district. Memoir of the British Geological Survey, Sheets 48W, 48E and 49 (Scotland). 108pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S057 S049