| Computer Code: |
LCML |
Preferred Map Code: |
LCmL |
| Status Code: |
Full |
| 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. |
| Waters, C N, Smith, K, Hopson, P M, Wilson, D, Bridge, D M, Carney, J N, Cooper, A H, Crofts, R G, Ellison, R A, Mathers, S J, Moorlock, B S P, Scrivener, R C, McMillan, A A, Ambrose, K, Barclay, W J, and Barron, A J M. 2007. Stratigraphical Chart of the United Kingdom: Southern Britain. British Geological Survey, 1 poster. |
| 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
|