The BGS Lexicon of Named Rock Units — Result Details

Black Neuk Member

Computer Code: BLN Preferred Map Code: BLN
Status Code: Full
Age range: Pusgillian Stage (OP) — Pusgillian Stage (OP)
Lithological Description: Green and grey silty shales.
Definition of Lower Boundary: Rests on the mudclast conglomerate of the Forge Member of the Mill Formation.
Definition of Upper Boundary: Overlain by flaggy sandstones and siltstones of the Shalloch Formation.
Thickness: c.15m
Geographical Limits: The Girvan area of southwest Scotland.
Parent Unit: Mill Formation (MIF)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  The Black Neuk part of the coast section north of Woodland Point, 2km southeast of Girvan. Ingham (in Fortey et al., 2000). 
Reference(s):
Ingham, J K. 1992. Excursion 30: Girvan Foreshore. 396-416 in Lawson, J D and Weedon, D S (editors), Geological Excursions around Glasgow and Girvan. Geological Society of Glasgow. 
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. 
Harper, D A T, 1984. Brachiopods from the Upper Ardmillan succession (Ordovician) of the Girvan district, Scotland. Part 1. Monograph of the Palaeontographical Society, London. 1-78 (Publication No.565, part of Vol.136 for 1982). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable