| Computer Code: |
BHS |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Marsdenian Substage (CZ)
— Marsdenian Substage (CZ) |
| Lithological Description: |
Protoquartzitic sandstone. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
North Staffordshire Basin, dying out to the east near Ipstones [SK 015 512] and to the north near Longsdon Farm, Longsdon [SJ 964 550]. |
| Parent Unit: |
Bowland Shale Formation (BSG)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Small quarry at Brockholes, 250 m west of Whitehough: 5 m of white, bedded, fine- to coarse-grained sandstone with rare quartz pebbles (Chisholm et al., 1988). |
| Reference(s): |
| Chisholm, J I, Charsley, T J and Aitkenhead, N. 1988. Geology of the country around Ashbourne and Cheadle. Memoir of the British Geological Survey, Sheet 124 (England and Wales). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
