The BGS Lexicon of Named Rock Units — Result Details

Pendleside Sandstone Member

Computer Code: PNDS Preferred Map Code: PdS
Status Code: Full
Age range: Brigantian Substage (CX) — Brigantian Substage (CX)
Lithological Description: Sandstone turbidite facies comprising mainly fine- to medium-grained, thin to thickly bedded, grey to pale brown sandstones, interbedded with shaly mudstones and siltstones, calcareous in part.
Definition of Lower Boundary: Point where sandstones start to dominate the Lower Bowland Shales, going up sequence.
Definition of Upper Boundary: Point, going up sequence, where sandstones cease to dominate the Lower Bowland Shales sequence.
Thickness: c.300m maximum.
Geographical Limits: Widely, but discontinuously cropping out in the Craven Basin in Clitheroe, Settle, Lancaster and Garstang districts and probably farther afield.
Parent Unit: Bowland Shale Formation (BSG)
Previous Name(s): Lower Pendleside Sandstone (-1762)
Pendleside Sandstones Member (-2979)
Upper Pendleside Sandstone (-1125)
Pendle Grit Formation (-3610)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  Pendle Hill Brook. Stream section c.0.6km south-south-east of Ravens Holme. 
Reference Section  Little Mearley Clough. Stream section 200-400m upstream from Little Mearley Hall (Clitheroe Memoir, fig.8). 
Type Area  Slopes to the north and northeast of Pendle Hill, Lancs; numerous stream sections and small disused building and wall stone quarries. Stream section 1/4 mile east of Ravens Holme. Stratotype section: Red Syke. 
Reference(s):
Aitkenhead, N, Bridge, D M, Riley, N J and Kimbell, S F. 1992. Geology of the country around Garstang. Memoir of the British Geological Survey, Sheet 67 (England and Wales) 
Earp, J R, Magraw, D, Poole, E G, Land, D H and Whiteman, A J, 1961. Geology of the country around Clitheroe and Nelson. Memoir of the Geological Survey of Great Britain, Sheet.68, England and Wales, pp.346. 
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 E067 E068 E059