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 [Obsolete Name And Code: Use SLVS] (HHO)
Silver Hills Grit (-1188)
Heversham House Sandstone Member (-3038)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Stream section upstream of Kettles Beck (Farm). 
Reference Section  BGS Knott Coppy Borehole, 0.5km east of Black Bank (Farm). SD76SE/16 97.57 - 130.97m depth. 
Reference Section  Crossdale Beck Valley. 4km south of High Bentham. 
Reference(s):
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. 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E060 E059