The BGS Lexicon of Named Rock Units — Result Details

Assel Conglomerate Member

Computer Code: ASC Preferred Map Code: ASC
Status Code: Full
Age range: Caradoc Series (O4) — Caradoc Series (O4)
Lithological Description: A localized thick conglomerate within the generally flaggy Ardwell Farm Formation.
Definition of Lower Boundary: Base of conglomerate, resting on flaggy sandstone.
Definition of Upper Boundary: Taken at top of conglomerate, overlain by flaggy sandstone.
Thickness: To 70m
Geographical Limits: Girvan area, southwest Scotland.
Parent Unit: Ardwell Farm Formation (ARD)
Previous Name(s): Assel Conglomerate (-4439)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Ground north of the Assel Water, southeast of Girvan. Williams, 1962. 
Reference(s):
Fortey, R A, Harper, D A T, Ingham, J K, Owen, A W, Parkes, M A, Rushton, A W A and Woodcock, N H. 2000. A revised correlation of Ordovician rocks in the British Isles. Geological Society Special Report, No.24. 
Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. 
Williams, A, 1962. The Barr and Lower Ardmillan Series (Caradoc) of the Girvan district, southwest Ayrshire, with descriptions of the Brachiopoda. Memoir of the Geological Society of London, No.3. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable