The BGS Lexicon of Named Rock Units — Result Details
Whirl Howe Formation
| Computer Code: | WHH | Preferred Map Code: | WHH |
|---|---|---|---|
| Status Code: | Pending Upgrade | ||
| Age range: | Caradoc Series (O4) — Ashgill Series (OA) | ||
| Lithological Description: | Very variable volcaniclastic breccias, conglomerates and sandstones (Longsleddale Member) and overlying calcareous siltstone (Stile End Member). | ||
| Definition of Lower Boundary: | Sub-Windermere Group unconformity - rests discordantly on the Borrowdale Volcanic Group. | ||
| Definition of Upper Boundary: | Defined by the base of the overlying Yarlside Volcanic Formation. | ||
| Thickness: | 70 metres (0 - 70 metres). | ||
| Geographical Limits: | Not defined. | ||
| Parent Unit: | Not Entered (?) | ||
| Previous Name(s): | Stile End Formation
(SEN)
Whirl Howe Formation [Obsolete Code: Use WHH] (WHW) Stile End Formation (SEN) Longsleddale Formation [Obsolete Name and Code: Use WHH] (-2530) |
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| Alternative Name(s): | Stile End Formation |
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| Stratotypes: | |||
| Type Area | Whirl Howe. | ||
| Reference(s): | |||
| Kneller, B C, Scott R W, Soper N J, Johnson E W and Allen P M, 1994. Lithostratigraphy of the Windermere Supergroup, Northern England. Geological Journal, Vol. 29, 219-240. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E039 | |||