The BGS Lexicon of Named Rock Units — Result Details
Tickwood Member
| Computer Code: | TKB | Preferred Map Code: | TB |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Homerian Age (SH) — Homerian Age (SH) | ||
| Lithological Description: | Greenish-grey siltstones with bands of prominent limestone nodules. | ||
| Definition of Lower Boundary: | Transitional on mudstones of the underlying Coalbrookdale Formation. Base taken beneath first bed of coalesced limestone nodules. | ||
| Definition of Upper Boundary: | Base of reef facies limestones within the Much Wenlock Limestone Formation. | ||
| Thickness: | 24m | ||
| Geographical Limits: | North Shropshire. | ||
| Parent Unit: | Much Wenlock Limestone Formation (WEL) | ||
| Previous Name(s): | Farley Member [Obsolete Name and Code: Use TKB]
(-3082)
Tickwood Beds [Obsolete Name and Code: Use TKB] (-3726) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | Below the bend of the road over Harley Hill. | ||
| Reference(s): | |||
| Pocock R W, Whitehead T H, Wedd C B and Robertson T. 1938. Shrewsbury District including the Hanwood Coalfield. Memoir of the Geological Survey of Great Britain, England and Wales. (London: H.M.S.O.). | |||
| Bassett, M G, Cocks, L R M, Holland, C H, Rickards, R B, and Warren, P T. 1975. The type Wenlock Series. Report of the Institute of Geological Sciences, No. 75/13. | |||
| 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 | |||