| Computer Code: |
HHSH |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
St David's Series (ED)
— St David's Series (ED) |
| Lithological Description: |
Greenish grey shaly mudstones with beds of fine-grained glauconitic and calcareous sandstone. |
| Definition of Lower Boundary: |
Conformably overlie the Hill House Grits (Upper Comley Sandstone Formation). |
| Definition of Upper Boundary: |
Unknown, but succeeded in the Comley area by the Shoot Rough Road Sandstone. |
| Thickness: |
Up to 100m |
| Geographical Limits: |
Church Stretton area, Comley, Shropshire. |
| Parent Unit: |
Upper Comley Sandstone Formation (UCSS)
|
| Previous Name(s): |
Hill House Shales [Obsolete Name and Code: Use HHSH]
(-2847)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Hill House Ridge, 600m southsoutheast of Comley, Shropshire. Cobbold, E S. 1909. |
| Reference(s): |
| Rushton, A W A. 1974. The Cambrian of Wales and England, 43-121 in Holland, C H (editor), The Cambrian of the British Isles, Norden and Spitzbergen (Lower Palaeozoic rocks of the world, 2). [London: John Wiley and Son.] |
| Cobbold, E S. 1909. On some excavations in the Cambrian rocks of Comley, Shropshire, 1907. Report of the British Association (for 1908), 231-242. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
