Computer Code: |
WKSA |
Preferred Map Code: |
WkS |
Status Code: |
Full |
Age range: |
Carnian Age (TC)
— Carnian Age (TC) |
Lithological Description: |
Sandstone, pale greenish grey, medium- to fine-grained, well cemented, flaggy, generally parallel laminated; local copper mineralisation, subordinate red sandstone and siltstone, and green silty to sandy mudstone. |
Definition of Lower Boundary: |
Where greenish grey mudstone or sandstone rests on red mudstone. |
Definition of Upper Boundary: |
Where red mudstone overlies greenish grey sandstone. |
Thickness: |
0.5 to 2 m. |
Geographical Limits: |
Longbridge to Redditch. |
Parent Unit: |
Gunthorpe Member (GUN)
|
Previous Name(s): |
Weatheroak Sandstone Member
(-5247)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Partial Type Section |
Stream section, 110 m westnorthwest of Weatheroak Hall. |
Reference(s): |
Howard, A S, Warrington, G, Ambrose, K, and Rees, J G. 2008. A formational framework for the Mercia Mudstone Group (Triassic) of England and Wales. British Geological Survey Research Report, RR/08/04. |
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). |
Ambrose, K. 1985. Geological notes and details for 1:10 000 Sheets: SP07SE (Inkford) Keyworth: Institute of Geological Sciences. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E183
|