The BGS Lexicon of Named Rock Units — Result Details
Skerries Member
| Computer Code: | NK | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Tremadocian Age (OTR) — Floian Age (OFL) | ||
| Lithological Description: | Massive or thick-bedded volcaniclastic meta sandstone. | ||
| Definition of Lower Boundary: | Stratigraphic contact with Cemlyn Bay Formation. | ||
| Definition of Upper Boundary: | Stratigraphic contact with Cemlyn Bay Formation. | ||
| Thickness: | none recorded or not applicable | ||
| Geographical Limits: | Anglesey, north Wales. | ||
| Parent Unit: | Cemlyn Bay Formation (CEML) | ||
| Previous Name(s): | Skerries Conglomerates
(NKSC)
Skerries Grits (NKSG) Skerries Group [Obsolete Name and Code: Use NK] (-421) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | The Skerries, near Carmel Head, Anglesey. | ||
| Reference(s): | |||
| Greenly, E. 1919. The geology of Anglesey, Vol 1. Memoir of the Geological Survey of Great Britain (England and Wales). (London: H.M.S.O.). | |||
| Harris, A L and others, 1973. A correlation of the Pre-Cambrian rocks in the British Isles. Geological Society of London Special Report No 6. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| none recorded or not applicable | |||