The BGS Lexicon of Named Rock Units — Result Details

Sarclet Group

Computer Code: SAR Preferred Map Code: notEntered
Status Code: Full, pending ratification
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: 480m approx.
Geographical Limits: Northeast Highlands, Scotland.
Parent Unit: Old Red Sandstone Supergroup (ORS)
Previous Name(s): Barren Group (-3658)
Sarclet Sandstone Group (-3017)
Sarclet Sandstone And Conglomerate (-1161)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  North-east Highlands, Scotland. 
Type Area  Sarclet, north-east Highlands, Scotland. 
Reference(s):
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). 
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.) 
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