The BGS Lexicon of Named Rock Units — Result Details

Sarclet Group

Computer Code: SAR Preferred Map Code: notEntered
Status Code: Full
Age range: Pragian Age (DP) — Emsian Age (DE)
Lithological Description: Dark or pale red sandstones, conglomerate, with red and pale green mudstones.
Definition of Lower Boundary: Drawn at base of Sarclet Conglomerate which rests unconformably on rocks of the Moine Supergroup.
Definition of Upper Boundary: Drawn at conformable upward passage from the Ulbster Sandstone of the Sarclet Group to the Ellens Goe Conglomerate of the Wick Flagstone Group.
Thickness: 480 m approx.
Geographical Limits: Northeast Highlands, Scotland.
Parent Unit: Old Red Sandstone Supergroup (ORS)
Previous Name(s): Barren Group [Obsolete Name and Code: Use SAR] (-3658)
Sarclet Sandstone and Conglomerate [Obsolete Name and Code: Use SAR] (-1161)
Sarclet Sandstone Group [Obsolete Name and Code: Use SAR] (-3017)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  North-east Highlands, Scotland. 
Type Area  Sarclet, north-east Highlands, Scotland. 
Reference(s):
Trewin, N H and Thirlwall, M F. 2002. The Old Red Sandstone. 213-249 in Trewin, N H (Editor), The Geology of Scotland. (London: The Geological Society.) 
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.) 
Crampton, C B. 1907. Summary of the Progress of the Geological Survey of Great Britain for 1906, p. 86. 
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:
S094 S094 S093 S109 S110 S115 S115 S116 S116 S083 S093 S109