The BGS Lexicon of Named Rock Units — Result Details

Heysham Harbour Sandstone

Computer Code: HEH Preferred Map Code: HEH
Status Code: Full
Age range: Kinderscoutian Substage (CK) — Kinderscoutian Substage (CK)
Lithological Description: Sandstone, greenish grey, medium- to coarse-grained, thinly laminated to medium-bedded; rootlet bed at top.
Definition of Lower Boundary: Change from un-named siltstone in Millstone Grit Group to sandstone.
Definition of Upper Boundary: Rootlet bed/change to marine mudstones including Bilinguites gracilis Marine Band.
Thickness: 20 - 30m
Geographical Limits: Heysham Harbour area, Lancashire.
Parent Unit: Hebden Formation (HEBD)
Previous Name(s): Heysham Harbour Sandstone Formation (-310)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  500m northwest of Heysham No 1 Power Station. 
Reference Section  East wall of Heysham Harbour. 
Type Section  Heysham Power Stations Borehole SD45NW/229 (23.20 to 37.75m depth). 
Reference(s):
Crofts, R G, 1992. The Geology of the Morecambe area. Technical Report of the British Geological Survey, Onshore Geology Series, WA/92/06. 
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