The BGS Lexicon of Named Rock Units — Result Details

Silver Hills Sandstone

Computer Code: SLVS Preferred Map Code: SlvS
Status Code: Full
Age range: Arnsbergian Substage (CG) — Arnsbergian Substage (CG)
Lithological Description: Fine- to very coarse-grained sandstone with thin coals and seatearths.Trough cross-bedding in sets up to 0.5m thick. Planar cross-bedding, small-scale cut-and-fill structures, syndepositional faults and slump structures have been recorded.
Definition of Lower Boundary: Sandstone sharply overlies relatively thinly bedded and fine-grained sandstones and siltstones (Claughton Member or Keasden Flags).
Definition of Upper Boundary: Sandstone is overlain sharply by mudstones with marine fauna (Crossdale Mudstone) including Isohomoceras subglobosum Marine Band in Crossdale Beck.
Thickness: Kettles Beck 15.2m (50ft); Knott Copy Borehole c 34m; up to 90m on Settle (60) Sheet.
Geographical Limits: Lancaster Fells.
Parent Unit: Silsden Formation (SILS)
Previous Name(s): Heversham House Sandstone Member (-3038)
Heversham House Sandstone [Obsolete Name And Code: Use SLVS] (HHO)
Silver Hills Grit (-1188)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Stream section upstream of Kettles Beck (Farm). 
Reference Section  Crossdale Beck Valley. 4km south of High Bentham. 
Reference Section  BGS Knott Coppy Borehole, 0.5km east of Black Bank (Farm). SD76SE/16 97.57 - 130.97m depth. 
Reference(s):
Bisat, W S and Hudson, R G S, 1938. The Lower Reticuloceras (R1) goniatite succession in the Namurian of the North of England. Proceedings of the Yorkshire Geological Society, Vol.24, 383-440. 
Ellison, R A, 1991. Geology of Bentham. British Geological Survey Technical Report, WA/91/83. 
Arthurton, R S, Johnson, E W and Mundy, D J C. 1988. Geology of the country around Settle. Memoir of the British Geological Survey, Sheet 60 (England and Wales). 
Whittard, W F and Simpson, S, 1960. Upper Carboniferous of England, Wales and Scotland, "in" Whittard, W F and Simpson, S. Lexique Stratigraphique International, part 3a VIII, Vol.18. Centre National de la Recherche Scientifique, Paris. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E060 E059