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
|