| 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 [Obsolete Name and Code: Use HEH]
(-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): |
| Waters, C N, Waters, R A, Barclay, W J, and Davies, J R. 2009. Lithostratigraphical framework for Carboniferous successions of Southern Great Britain (Onshore). British Geological Survey Research Report, RR/09/01. 184pp. |
| Brandon, A, Aitkenhead, N, Crofts, R G, Ellison, R A, Evans, D J, and Riley, N J. 1998. Geology of the country around Lancaster. Memoir of the British Geological Survey, Sheet 59 (England and Wales). |
| Crofts, R G. 1992. The Geology of the Morecambe area. Technical Report of the British Geological Survey, Onshore Geology Series, WA/92/06. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E059
|
