The BGS Lexicon of Named Rock Units — Result Details

Doon Hill Conglomerate Member

Computer Code: DHLC Preferred Map Code: DHLC
Status Code: Full
Age range: Caradoc Series (O4) — Caradoc Series (O4)
Lithological Description: Thickly bedded conglomerate with partings of blue-grey green-weathering mudstones passing upwards into poorly-bedded dark green conglomerate with pebbles of spilite, gabbro, red granite, vein quartz and chert.
Definition of Lower Boundary: Succeeds the dark grey mudstones of the Laggan Member of the Balclatchie Formation.
Definition of Upper Boundary: Succeeded by the mudstones of the Pumphouse Member of the Balclatchie Formation.
Thickness: c.240m
Geographical Limits: Girvan area, southwest Scotland.
Parent Unit: Balclatchie Formation (BCH)
Previous Name(s): Doon Hill Conglomerate (-1499)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Section from Doon Hill, across Penwhapple Burn and onto Green Hill. Williams, 1962. 
Reference(s):
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. 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable