The BGS Lexicon of Named Rock Units — Result Details
Kirkwood Formation
| Computer Code: | KRW | Preferred Map Code: | KRW |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Asbian Substage (CR) — Brigantian Substage (CX) | ||
| Lithological Description: | Tuffaceous mudstones and tuffs. | ||
| Definition of Lower Boundary: | Taken at the junction of tuffaceous mudstones and tuffs with underlying basaltic lavas of the Clyde Plateau Volcanic Formation | ||
| Definition of Upper Boundary: | Taken at the base of the overlying Lawmuir Formation or Lower Limestone Formation. The boundary is commonly irregular with interdigitation of lithologies. | ||
| Thickness: | Variable, to c.35m | ||
| Geographical Limits: | Not defined. | ||
| Parent Unit: | Strathclyde Group (SYG) | ||
| Previous Name(s): | Kirkwood Formation
(KRW)
Kirkwood Formation (KRW) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | Between 39.77 and 75.30m in the BGS Kirkwood Borehole (Reg.No. NS34NE/11) | ||
| Reference(s): | |||
| Monro, S K, 1982. Sedimentation, Stratigraphy and Tectonics of the Dalry Basin, Ayrshire. Unpublished PhD Thesis, University of Edinburgh. | |||
| Dean, M T, Browne, M A E, Waters, C N and Powell, J H. 2011. A lithostratigraphical framework for the Carboniferous successions of northern Great Britain (onshore). British Geological Survey Research Report, RR/10/007. 165pp. | |||
| Waters, C N, Gillespie, M R, Smith, K, Auton, C A, Floyd, J D, Leslie, A G, Millward, D, Mitchell, W I, McMillan, A A, Stone, P, Barron, A J M, Dean, M T, Hopson, P M, Krabbendam, M, Browne, M A E, Stephenson, D, Akhurst, M C, and Barnes, R P. 2007. Stratigraphical Chart of the United Kingdom: Northern Britain. (British Geological Survey.) | |||
| Browne, M A E, Dean, M T, Hall, I H S, McAdam, A D, and Monro, S K. 1995. A review of the lithostratigraphy of the Carboniferous rocks of the Midland Valley of Scotland. BGS Technical Report WA/95/25R. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S030 S030 S022 S023 S031 S039 | |||