The BGS Lexicon of Named Rock Units — Result Details
Latrigg Formation
| Computer Code: | LRG | Preferred Map Code: | LRG |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Gorstian Age (SG) — Gorstian Age (SG) | ||
| Lithological Description: | Interlaminated hemipelagite, siltstone and fine-grained sandstone. | ||
| Definition of Lower Boundary: | Conformably overlies the Gawthwaite Formation. | ||
| Definition of Upper Boundary: | Conformably overlain by the Poolscar Formation. | ||
| Thickness: | 120- 260m | ||
| Geographical Limits: | Southern Lake District and northwest Pennines. | ||
| Parent Unit: | Coniston Group (CTG) | ||
| Previous Name(s): | Sheerbate Flags [Obsolete Name and Code: Use LRG]
(-4170)
Latrigg Member [Obsolete Name and Code: Use LRG] (-2921) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | Latrigg Tarn. | ||
| Reference(s): | |||
| 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. | |||
| Moseley F. 1984. Lower Palaeozoic lithostratigraphical classification in the English Lake District. Geological Journal, Vol. 19, p. 239-247. | |||
| Marr J E. 1892. On the Wenlock and Ludlow strata of the Lake District. Geological Magazine, Vol. 9, p 534-541. | |||
| Kneller, B C. 1990. The Wenlock rocks of sheet 38 (Ambleside). British Geological Survey Technical Report, WA/90/64 | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E039 E038 E048 | |||