The BGS Lexicon of Named Rock Units — Result Details

Whitehouse Subgroup

Computer Code: WHE Preferred Map Code: Whe
Status Code: Full
Age range: Onnian Substage (ON) — Cautleyan Stage (OU)
Lithological Description: Sandstones, mudstones, sandy limestones and shales. Conglomerate lenses. See also the definitions of the constituent (Southshore, Threemile, Penwhapple, Myoch, Mill and Shalloch) formations.
Definition of Lower Boundary: Overlies the Ardwell Farm Formation, part of the Ardwell Subgroup.
Definition of Upper Boundary: Conformably overlain by the Auldthorns Formation [AUT], part of the Drummuck Group [DKG].
Thickness: c.600m
Geographical Limits: Girvan area, southwest Scotland.
Parent Unit: Ardmillan Group (AMN)
Previous Name(s): Whitehouse Formation (-1272)
Whitehouse Group (-2528)
Whitehouse Beds (-1331)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Geological sheet S007 (Girvan). See definitions of constituent formations, listed under "Lithological Description" in this entry. 
Reference(s):
Ingham, J K, 1978. Geology of a continental margin 2: Middle and late Ordovician transgression, Girvan. "In" Bones, D R and Leake, B E. Crustal Evolution in North Western Britain and Adjacent Regions. Geological Journal Special Issue, No.10. p.163-176. 
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). 
Floyd, J D. 1999. Geology of the Carrick - Loch Doon district. Memoir for 1:50 000 geological sheets 8W and 8E (Scotland). [London: The Stationery Office for the British Geological Survey.] 
Cameron, I B, Stone, P and Smellie, J, 1986. Geology of the Country around Girvan. Explanation of 1:50 000 sheet. British Geological Survey, Sheet 7, Scotland. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S007 S008