Computer Code: |
BEB |
Preferred Map Code: |
Beb |
Status Code: |
Full |
Age range: |
Homerian Age (SH)
— Homerian Age (SH) |
Lithological Description: |
Coarse-grained shelly limestone, interbedded with impersistent siltstone beds in lower and upper parts. |
Definition of Lower Boundary: |
Transitional. Base of limestone-siltstone sequence of above type, resting conformably on calcareous siltstones of the underlying Tickwood Beds; lateral passage to reef facies. |
Definition of Upper Boundary: |
Base of thinly bedded crinoidal limestones of the overlying (undivided) uppermost part of the Much Wenlock Limestone Formation. |
Thickness: |
15 - 30m |
Geographical Limits: |
North Shropshire. |
Parent Unit: |
Much Wenlock Limestone Formation (WEL)
|
Previous Name(s): |
Benthall Beds [Obsolete Name and Code: Use BEB]
(-1342)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
Bowers Brook, Benthall Edge. |
Reference(s): |
Hamblin, R J O and Coppack, B C, 1995. Geology of Telford and the Coalbrookdale Coalfield. Memoir of the British Geological Survey, parts of Sheets 152 and 153 (England and Wales). |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E152
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