The BGS Lexicon of Named Rock Units — Result Details
Kirkby Moor Formation
| Computer Code: | KMF | Preferred Map Code: | KMF |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Ludfordian Age (SD) — Pridoli Epoch (SO) | ||
| Lithological Description: | A sequence of thick beds of massive or convulate laminated, and thin-bedded ripple-cross laminated, fine-grained sandstone. The formation includes rocks previously included within the Underbarrow and Scout Hill Flag formations. | ||
| Definition of Lower Boundary: | Taken at the change from banded mudstone-siltstone units of the Bannisdale Formation to sandstone, in part thin-bedded and cross-laminated, or thick bedded massive fine-grained sandstone. | ||
| Definition of Upper Boundary: | Unconformably overlain by various Devonian and Carboniferous rocks. | ||
| Thickness: | More than 430m | ||
| Geographical Limits: | Southern Lake District, Cumbria; Howgill Fells, Cumbria. | ||
| Parent Unit: | Kendal Group (KNDL) | ||
| Previous Name(s): | Kendal Group
(KNDL)
Underbarrow Flag Formation (UND) Scout Hill Flags [Obsolete Name and Code: Use KMF, SCH] (-1002) Kirkby Moor Flags [Obsolete Name and Code: Use KMF] (-1001) Kendal Group (KNDL) Underbarrow Flag Formation (UND) Kirkby Moor Flag Formation [Obsolete Name and Code: Use KMF] (-3501) Upper slates of Kendal [Obsolete Name and Code: Use KMF] (-4731) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | Black Crag, northnorthwest of Staveley, near Kendal, Cumbria. Lawrence et al., 1986. | ||
| Type Area | Original type section at Kirkby Moor, Westmorland. However, typical sections in the rocks are seen on the slopes south of Benson Knott, Sheet 39 (Kendal). | ||
| Reference(s): | |||
| Millward, D, and Stone, P. 2012. Stratigraphical framework for the Ordovician and Silurian sedimentary strata of northern England and the Isle of Man. British Geological Survey Research Report, RR/12/04. 119pp. | |||
| King, L M. 1992. A basin study of the early Palaeozoic Windermere Group, northwest England. Unpublished PhD thesis. University of Cambridge. | |||
| Woodcock, N H and Rickards, R B. 2006. Geological notes and local details for 1:10 000 scale Sheet SD68NW (Middleton) and part of Sheet SD68NE (Gawthrop). British Geological Survey Internal Report: IR/06/101. 42pp | |||
| King, L M. 1994. Turbidite to storm transition in a migrating foreland basin: The Kendal Group (Upper Silurian), northwest England. Geological Magazine, Vol.131, 255-267. | |||
| Soper, N J. 2006. Notes on the Windermere Supergroup of the country between Kendal and the River Lune. (sheets SD59 and SD69(W)). British Geological Survey Internal Report: IR/06/081. 15pp. | |||
| Stone, P. 2006. Geological notes for the Silurian strata and their Quaternary cover on 1:10 000 scale sheets SD48NW, SD58NE (Old Hutton) and part of SD58NW. British Geological Survey Internal Report: IR/06/129. 16pp. | |||
| 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.) | |||
| Shaw, R W L. 1971. The faunal stratigraphy of the Kirkby Moor Flags of the type area near Kendal. Westmorland. Geological Journal, Vol.7, p.359-380. | |||
| Lawrence, D J D, Webb, B C, Young, B and White, D E. 1986. The geology of the Late Ordovician and Silurian rocks (Windermere Group) in the area around Kentmere and Crook. Includes map, 1:25,000 series, Parts of Sheets NY40 and SD49 Kentmere and Crook, Solid and Drift Geology. Report of the British Geological Survey, 18/5. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E039 E049 | |||