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: none recorded or not applicable
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 (-4751)
Lower Caithness Flagstone Group (-1642)
Lower Caithness Flagstone Formation (-3513)
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