The BGS Lexicon of Named Rock Units — Result Details

Teith Sandstone Formation

Computer Code: THF Preferred Map Code: THF
Status Code: Full
Age range: Emsian Age (DE) — Emsian Age (DE)
Lithological Description: A reddish-brown, grey, purple and brown, cross-bedded sandstone, locally interbedded with siltstone and mudstone intercalations, conglomerate members and interbeds are common in the Highland Border area.
Definition of Lower Boundary: At the base of the lowest bed of purple sandstone or locally conglomerate overlying the Cromlix Mudstone Formation, except in the Glen Shee district where the boundary is not seen due to faulting.
Definition of Upper Boundary: Faulted out or locally unconformably overlain by the Stratheden group near Stirling.
Thickness: At least 1800 m thick on the north-west limb of the Strathmore Syncline.
Geographical Limits: Strathmore, Northern Midland Valley.
Parent Unit: Strathmore Group (SEG)
Previous Name(s): Teith Formation [Obsolete Name and Code: Use THF] (-4369)
Gannochy Formation [Obsolete Name and Code: Use EDS, GYF, STHC, THF] (-4633)
Edzell Sandstone Formation [Obsolete Code: Use THF] (EDS)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Partial Type Section  Keltie Water section in Bracklinn Glen. 
Partial Type Section  Tarr Burn section, by Ballanucater. 
Partial Type Section  Littlemill Burn section. 
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. 
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. 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. 
Francis, E H, Forsyth, I H, Read, W A and Armstrong, M. 1970. The geology of the Stirling district. Memoir of the Geological Survey of Great Britain, Sheet 39 (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S056 S030 S030 S038 S039 S039 S047 S047 S048 S038 S048 S066 S066