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): |
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. |
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. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S049
S057
|