The BGS Lexicon of Named Rock Units — Result Details

Findochty Quartzite Member

Computer Code: FINQ Preferred Map Code: FinQ
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Quartzite, thickly- to very thickly-bedded, rarely pebbly, cross-bedding well-developed. Contains thin beds of muscovite-rich and garnetiferous biotitc semipelite.
Definition of Lower Boundary: Not seen; covered by unconformably overlying Devonian rocks.
Definition of Upper Boundary: Fairly sharp change to medium- to thin-bedded quartzite of Logie Head Quartzite Member.
Thickness: c.1200m on coast section; cannot be distinguished separately inland.
Geographical Limits: Along coast section from Buckpool, Buckie [NJ 413 656] to Toshie's Long Craigs [NJ 4970 6835]; cannot be differentiated inland.
Parent Unit: Cullen Quartzite Formation (CUQU)
Previous Name(s): Findochty Sub-Group (-1539)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  On coast from Buckpool, Buckie to Toshie's Long Craigs (west side of Cullen Bay). 
Reference(s):
Stephenson, D, et al. 1993. Stratigraphy and correlation of the Dalradian rocks of the East Grampian Project area. British Geological Survey Technical Report WA/93/91. 
Peacock, J D, Berridge, N G, Harris, A L, May, F. 1968. The geology of the Elgin District. Memoir of the Geological Survey of Scotland. Sheets 86 and 96 (Scotland). (Edinburgh: HMSO). 
Harris, A L, Haselock, P J, Kennedy, M J and Mendum, J R, 1994. The Dalradian Supergroup in Scotland, Shetland and Ireland. 33-53 in Gibbons, W E and Harris, A L (editors). A revised correlation of Precambrian rocks in the British Isles. Special Report of the Geological Society, London, No.22. 
Stephenson, D and Gould, D , 1995. British Regional Geology: the Grampian Highlands (4th edition). (London: HMSO for the British Geological Survey), 67-68. 
Read, H H, 1923. Geology of the country around Banff, Huntly and Turriff, Lower Banffshire and north-west Aberdeenshire. Memoir of the Geological Survey, Scotland Sheets 86 and 96 (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S096 S095