| Computer Code: |
HUL |
Preferred Map Code: |
HUL |
| Status Code: |
Full |
| Age range: |
Early Triassic Epoch (TE)
— Early Triassic Epoch (TE) |
| Lithological Description: |
Gravel dominated, comprising conglomerates, pebbly sandstones, and infrequent non-pebbly sandstones and argillaceous rocks. |
| Definition of Lower Boundary: |
Conformable at base of conglomerate at bottom of gravel-dominated part of the Hawksmoor Formation. |
| Definition of Upper Boundary: |
Conformable at top of conglomerate at top of gravel-dominated part of the Hawksmoor Formation. |
| Thickness: |
0 - >115m |
| Geographical Limits: |
Western Needwood Basin. |
| Parent Unit: |
Chester Formation (CHES)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Hulme Quarries (disused). Parkhall Country Park, Weston Coyney, Stoke-on-Trent. |
| Reference(s): |
| Piper, D P, 1982. The conglomerate resources of the Sherwood Sandstone Group of the country east of Stoke-on-Trent, Staffordshire: Description of 1:25 000 resource sheet SJ94. Mineral Assessment Report of the Institute of Geological Sciences No. 91. |
| Charsley, T J. 1982. A standard nomenclature for the Trassic formations of the Ashbourne district. Report of the Institute of Geological Sciences, No. 81/14. |
| Rees, J G and Wilson, A A. 1998. Geology of the country around Stoke-on-Trent. Memoir of the British Geological Survey, Sheet 123 (England and Wales). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E123
|
