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 Group (-421)
Skerries Conglomerates (NKSC)
Skerries Grits (NKSG)
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