The BGS Lexicon of Named Rock Units — Result Details

Uamh Bheag Conglomerate Member

Computer Code: UBCO Preferred Map Code: UBCO
Status Code: Full
Age range: Emsian Age (DE) — Emsian Age (DE)
Lithological Description: Mostly a cobble conglomerate, containing clasts of basic or intermediate lavas, vein quartz, quartzite and other metamorphic rocks with lenses of pebbly sandstone.
Definition of Lower Boundary: The base of the youngest body of 'mixed conglomerate' on Uamh Bheag, north-east of Callander, which interdigitates partly with the Teith Sandstone and partly with the Cromix Mudstone formations.
Definition of Upper Boundary: Strongly diachronous, overlain by and interfingered with sandstones of the Teith Sandstone Formations
Thickness: Up to at least 233 m thick.
Geographical Limits: The Callander to Highland Border area, on the north-west limb of the Strathmore Syncline.
Parent Unit: Teith Sandstone Formation (THF)
Previous Name(s): Uamh Bheag Conglomerate Formation (-3102)
Uamh Bheag Conglomerate (-2511)
Alternative Name(s): none recorded or not applicable
Type Area  Uambh Bheag, hillsides 7 km north-east of Callander Francis et al., 1970. 
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). 
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 and Paterson, I B, 1970. The Lower Old Red Sandstone of the Strathmore Region. Report of the Institute of Geological Sciences No.70/12 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S038 S039 S047 S047