The BGS Lexicon of Named Rock Units — Result Details

Sapling Clough Sandstone

Computer Code: SPCS Preferred Map Code: SpCS
Status Code: Full
Age range: Arnsbergian Substage (CG) — Arnsbergian Substage (CG)
Lithological Description: Sandstone, grey, mostly weathered orange-brown, fine- to medium-grained siliceous with ganister levels particularly near top. Delta top sandstone. 0.2m coal at reference section, c 12m from top of unit.
Definition of Lower Boundary: Not exposed but as delta top sandstone overlies delta slope deposits of the Roeburndale Member, likely to be sharp and erosional on siltstones with thin sandstones.
Definition of Upper Boundary: Sharp with c 0.5m grey micaceous sandy siltstone overlain by claystones of the Eumorpoceras yatesae Marine Band.
Thickness: 12m+ in Sapling Clough (basal part not seen). c.12m in tributary to Foxdale Beck (basal and top parts not seen).
Geographical Limits: Known currently only from the north and east sides of Ward's Stone Hill, Forest of Bowland, Lancashire.
Parent Unit: Roeburndale Member (RBL)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Sapling Clough at waterfall; top contact exposed above waterfall. Subordinate section in right bank 140m downstream. 
Reference Section  Left bank tributary to Foxdale Beck at incised gulley. 
Reference(s):
Brandon, A, Aitkenhead, N, Crofts, R G, Ellison, R A, Evans, D J and Riley, JN J, 1998. Geology of the country around Lancaster. Memoir of the British Geological Survey, Sheet 59 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E059