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):
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, et al. 1993. Stratigraphy and correlation of the Dalradian rocks of the East Grampian Project area. British Geological Survey Technical Report WA/93/91. 
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). 
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). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S096 S095