The BGS Lexicon of Named Rock Units — Result Details

Heversham House Sandstone [Obsolete Name And Code: Use SLVS]

Computer Code: HHO Preferred Map Code: HHo
Status Code: Index Level
Age range: Arnsbergian Substage (CG) — Arnsbergian Substage (CG)
Lithological Description: Sandstone, fine- to medium-grained, thickly bedded, with some trough cross-bedding; seatearth at top.
Definition of Lower Boundary: Top of fossiliferous dark grey mudstone of the Caton Shale.
Definition of Upper Boundary: Top of seatearth; unfossiliferous mudstone with siderite mudstone nodules of the Crossdale Mudstone above.
Thickness: 75 to 120m.
Geographical Limits: Wyresdale-Ellel area, Lancashire.
Parent Unit: Claughton Member (CLAU)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Partial Type Section  In Damas Gill, South of Clough Wood. 
Partial Type Section  Between Junction Bridge and Double Bridge on Lancaster Canal. 
Reference(s):
Wilson, A A, Brandon, A and Johnson, E W, 1989. Abbeystead: Geological context of the Wyresdale Tunnel methane explosion. Technical Report of the British Geological Survey WA/89/30. 
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) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E067 E059