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): | Pendleside Sandstones Member [Obsolete Name and Code: Use PNDS]
(-2979)
Pendle Grit Formation [Obsolete Name and Code: Use PG, PNDS] (-3610) Upper Pendleside Sandstone [Obsolete Name and Code: Use PNDS] (-1125) Lower Pendleside Sandstone [Obsolete Name and Code: Use PNDS] (-1762) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Reference Section | Little Mearley Clough. Stream section 200-400m upstream from Little Mearley Hall (Clitheroe Memoir, fig.8). | ||
| Reference Section | Pendle Hill Brook. Stream section c.0.6km south-south-east of Ravens Holme. | ||
| 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): | |||
| 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. | |||
| 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. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E060 E067 E068 E059 | |||