Lickey Quartzite Formation
| Computer Code: |
LQ |
Preferred Map Code: |
LQ |
| Status Code: |
Full
|
| Age range: |
Ordovician Period (O)
—
Ordovician Period (O)
|
| Lithological Description: |
Quartzite, pale grey and purple (ranging from lithic arenite, subarkose to quartzite) and thin beds of fissile mudstone and possibly tuff. |
| Definition of Lower Boundary: |
Not seen, fault-bounded inlier. |
| Definition of Upper Boundary: |
Unconformable boundary with the overlying Rubery Formation (Llandovery) or Halesowen Formation (Carboniferous). |
| Thickness: |
Not fully proved - no reliable estimate |
| Geographical Limits: |
West Midlands (South Staffordshire). |
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
Lickey Sandstone (-2920)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Walsall Borehole [SP 09NW/33] from 382m to 391.7m depth (Butler, 1937) |
| Type Area |
Lickey Hills between Kendal End [SP 001 746] and Holly Hill [SO 991 784]; Cofton Hill [SP 001 753] and Rednall Gorge [SO 998 759] |
| Reference(s): |
| Butler, A J, 1937. On Silurian and Cambrian rocks encountered in a deep boring at Walsall, South Staffordshire, Geological Magazine, 74, 241-257. |
| Old, R A, Hamblin, R J O, Ambrose, K and Warrington, G, 1991. Geology of the country around Redditch. Memoir of the British Geological Survey Sheet 183 (England and Wales). |
| Eastwood, T, Whitehead, T H and Robertson, T, 1925. The geology of the country around Birmingham. Memoir of the British Geological Survey of Great Britain. |
| Lapworth, C, 1899. Sketch of the geology of the Birmingham district, with special reference to the long excursion of 1898. Proceedings of the Geologists' Association, 15, 313-415. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E168
E183
|
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