The BGS Lexicon of Named Rock Units — Result Details
Lower Caithness Flagstone Subgroup
Computer Code: | LCF | Preferred Map Code: | notEntered |
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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): | Caithness Flagstone Series [Obsolete Name and Code: Use LCF, LSF, UCF, USF]
(-4751)
Lower Caithness Flagstone Formation [Obsolete Name and Code: Use LCF] (-3513) Lower Caithness Flagstone Group [Obsolete Name and Code: Use LCF, LSF] (-1642) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Area | The county of Caithness.29 | ||
Reference(s): | |||
Phemister, J. 1948. British Regional Geology: Scotland: the Northern Highlands (2nd edition) (Edinburgh: HSMO for the Geological Survey and Museum.) | |||
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). | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
S115 S109 |