The BGS Lexicon of Named Rock Units — Result Details
Dunblane Sandstone Member
| Computer Code: | DUF | Preferred Map Code: | DUF |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Early Devonian Epoch (DL) — Early Devonian Epoch (DL) | ||
| Lithological Description: | Purple and brown, medium- and coarse-grained sandstones, subsidiary purple mudstones and rare pebbly sandstone beds. | ||
| Definition of Lower Boundary: | Where medium- to coarse-grained sandstones overlie the top of the fine-grained sandstones and siltstones of the Buttergask Flagstone Member. | ||
| Definition of Upper Boundary: | The base of the lowest siltstone or mudstone of the Cromlix Mudstone Formation. | ||
| Thickness: | About 750 m thick. | ||
| Geographical Limits: | The south-east limb of the Strathmore Syncline, in the Stirling to Alloa area. | ||
| Parent Unit: | Scone Sandstone Formation (SCN) | ||
| Previous Name(s): | Dunblane Member [Obsolete Name and Code: Use DUF]
(-2158)
Dunblane Formation [Obsolete Name and Code: Use DUF, TEF] (-220) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Partial Type Section | Lower part: stream sections, 1.6 km north-east of Barbush, north of Dunblane. Francis et al., 1970. | ||
| Partial Type Section | Upper part: cliff section north-east of the River Teith, 3 km west of Bridge of Allan. Francis et al., 1970. | ||
| 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, and Paterson, I B. 1970. The Lower Old Red Sandstone of the Strathmore Region. Report of the Institute of Geological Sciences No. 70/12 | |||
| 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: | |||
| S039 S039 S039 | |||