| Computer Code: |
BGV |
Preferred Map Code: |
BGV |
| Status Code: |
Full |
| Age range: |
Tremadoc Series (O1)
— Tremadoc Series (O1) |
| Lithological Description: |
Crystal and crystal lithic tuffs, tuffaceous siltstones, sandstones and mudstones. |
| Definition of Lower Boundary: |
Not known. |
| Definition of Upper Boundary: |
Uncertain - probable upward passage into Lickey Quartzite Formation. |
| Thickness: |
Not known. |
| Geographical Limits: |
Small area (fault boundries) immediately northwest of Barnt Green, Hereford and Worcester. |
| Parent Unit: |
Not Applicable (-)
|
| Previous Name(s): |
Barnt Green Volcanic Series
(-694)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Partial Type Section |
Small exposures around Kendal End Farm. Gibson, W and Watts, W W, 1898; Lapworth, C, 1899. |
| Reference(s): |
| 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). |
| Gibson, W, and Watts, W W. 1898. Lickey Hills. 67-69 in Summary of Progress for 1897. Geological Survey (London: HMSO.) |
| 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: |
|
E183
|
