The BGS Lexicon of Named Rock Units — Result Details

Mill Formation

Computer Code: MIF Preferred Map Code: MIF
Status Code: Full
Age range: Pusgillian Stage (OP) — Pusgillian Stage (OP)
Lithological Description: Mottled shale, dark shale, calcareous flags, mudclast conglomerate.
Definition of Lower Boundary: Conformably overlies the Myoch Formation.
Definition of Upper Boundary: Conformably overlain by Shalloch Formation.
Thickness: 30m
Geographical Limits: Girvan area, south west Scotland.
Parent Unit: Whitehouse Subgroup (WHE)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Section  Shore, Shalloch Mill, south of Girvan. 
Type Area  Foreshore, south of Girvan. Sheet SO07. 
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:
S008 S007