Computer Code: |
LCML |
Preferred Map Code: |
LCmL |
Status Code: |
Pending Upgrade |
Age range: |
Comley Series (EC)
— Comley Series (EC) |
Lithological Description: |
Sandy glauconitic and phosphatic limestone overlain by phosphatic algal micrite. |
Definition of Lower Boundary: |
Base of shelly glauconitic limestone, resting on glauconitic sandstone of the Lower Comley Sandstone. |
Definition of Upper Boundary: |
Unconformable beneath Middle Cambrian sequence of pale grey-green calcareous sandstones and shales with thin limestones (Upper Comley Group). |
Thickness: |
2m |
Geographical Limits: |
Shropshire. |
Parent Unit: |
Not Applicable (-)
|
Previous Name(s): |
Comley Limestone Formation [Obsolete Name and Code: Use LCML]
(-1643)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Comley Quarry. 1300m N33E of the summit of Caer Caradoc Hill. |
Reference Section |
Croft Borehole, Lilleshall (SJ71NW/16) 53.77 - 53.95m. |
Reference(s): |
Rushton, A W A, Hamblin, R J O and Strong, G E, 1988. The Croft Borehole in the Lilleshall Inlier of North Shropshire. Report of the British Geological Survey, Vol.19, No.3. |
Greig, D C and others, 1989. Geology of the country around Church Stretton, Craven Arms, Wenlock Edge and Brown Clee. Memoirs of the Geological Survey of Great Britain. |
Wright, J E, 1968. The geology of the Church Stretton area (Explanation of 1:25 000 Geological Sheet SO49). Institute of Geological Sciences. |
Brasier, M D. 1989. Sections in England and their correlation. 83-104 in The Precambrian-Cambrian Boundary. Cowie, J W, and Brasier, M D (editors). (Oxford University Press.) |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E166
E152
|