The BGS Lexicon of Named Rock Units — Result Details
Strathclyde Group
| Computer Code: | SYG | Preferred Map Code: | SYG |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Chadian Substage (CI) — Brigantian Substage (CX) | ||
| Lithological Description: | Sandstone, siltstone, mudstone and seatrock, with some coal seams, ironstones and limestones; non-marine faunas common; marine faunal bands rare except in top part. | ||
| Definition of Lower Boundary: | In west at base of Clyde Plateau Volcanic Formation; in east at base of Gullane Formation or Arthur's Seat Volcanic Formation. Conformable or (locally) unconformable. | ||
| Definition of Upper Boundary: | Conformable at base of Lower Limestone Formation. | ||
| Thickness: | To c.1500m | ||
| Geographical Limits: | Midland Valley of Scotland. | ||
| Parent Unit: | Not Applicable (-) | ||
| Previous Name(s): | Oil-Shale Group
(-2468)
Lower Oil Shale Group [Obsolete Name And Code: See SYG] (LRO) Calciferous Sandstone Measures [Obsolete Name And Code: See SYG] (CSM) Upper Oil Shale Group [Obsolete Name And Code: See SYG] (URO) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Reference Section | Coastal sections, east Fife: Pathhead Beds, Sandy Craig Beds, Pittenweem Beds, Anstruther Beds, Fife Ness Beds. | ||
| Type Area | Glasgow area, Strathclyde, Scotland. (Ref Sections: See Type Sections of components: Clyde Plateau Volcanic, Kirkwood, Lawmuir, Gullane, Aberlady, West Lothian Oil-Shale, Arthurs' Seat Volcanic and Garleton Hills Volcanic formations). | ||
| Reference(s): | |||
| Paterson, I B and Hall, I H S. 1986. Lithostratigraphy of the late Devonian and early Carboniferous rocks in the Midland Valley of Scotland. British Geological Survey Report, 18/3. | |||
| Chisholm, J I, MacAdam, A D, Brand, P J. 1989. Lithostratigraphical classification of Upper Devonian and Lower Carboniferous rocks in the Lothians. British Geological Survey Technical Report, WA/89/26. | |||
| Forsyth, I H and Chisholm, J I, 1977. The geology of east Fife. Memoirs of the Geological Survey of Great Britain. | |||
| MacGregor, A G, 1960. Division of the Carboniferous on Geological Survey Scottish Maps. Bulletin of the Geological Survey of Great Britain, No.16, 127-130. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S008 S015 S025 S024 S023 S024 S033 S021 S049 S030 S030 S039 S040 S041 | |||