The BGS Lexicon of Named Rock Units — Result Details
Lower Caithness Flagstone Subgroup
| Computer Code: | LCF | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Pending Upgrade | ||
| Age range: | Eifelian Age (DI) — Eifelian Age (DI) | ||
| Lithological Description: | Mudstone and siltstone with subsidiary conglomerate and sandstone. | ||
| Definition of Lower Boundary: | none recorded or not applicable | ||
| Definition of Upper Boundary: | none recorded or not applicable | ||
| Thickness: | none recorded or not applicable | ||
| Geographical Limits: | none recorded or not applicable | ||
| Parent Unit: | Caithness Flagstone Group (CNFL) | ||
| Previous Name(s): | Lower Caithness Flagstone Formation [Obsolete Name and Code: Use LCF]
(-3513)
Lower Caithness Flagstone Group [Obsolete Name and Code: Use LCF, LSF] (-1642) Caithness Flagstone Series [Obsolete Name and Code: Use LCF, LSF, UCF, USF] (-4751) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | The county of Caithness.29 | ||
| Reference(s): | |||
| Carruthers, R G. 1909. On the stratigraphic position of the Achanarras fauna in the Old Red Sandstone of Caithness. Summary of Progress of the Geological Survey of Great Britain for 1908. | |||
| Crampton, C B, and Carruthers, R G. 1914. The geology of Caithness. Memoir of the Geological Survey, Scotland. Sheets 110 and 116 (Scotland). | |||
| Phemister, J. 1948. British Regional Geology: Scotland: the Northern Highlands (2nd edition) (Edinburgh: HSMO for the Geological Survey and Museum.) | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S115 S109 | |||