The BGS Lexicon of Named Rock Units — Result Details

Auchmithie Conglomerate Member

Computer Code: ACO Preferred Map Code: notEntered
Status Code: Full
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Conglomerate with subsidiary sandstone.
Definition of Lower Boundary: The top of the Red Head Sandstone Member.
Definition of Upper Boundary: The base of the Arbroath Sandstone Member, where this overlies the highest conglomerate bed of the Auchmithie Conglomerate.
Thickness: Up to 245 m thick at Auchmithie.
Geographical Limits: The south-east limb of the Sidlaw Anticline, on Sheets 49 and 57E,
Parent Unit: Scone Sandstone Formation (SCN)
Previous Name(s): Auchmithie Conglomerate Formation [Obsolete Name and Code: Use ACO] (-3790)
Alternative Name(s): Finavon Conglomerate Member
Stratotypes:
none recorded or not applicable
Reference(s):
Browne, M A E, Smith, R A, and Aitken, A M. 2002. Stratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. British Geological Survey Research Report RR/01/04. 67 pp. 
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:
S049 S057