The BGS Lexicon of Named Rock Units — Result Details

Dicky Hare Semipelite Member

Computer Code: DICH Preferred Map Code: DicH
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Semipelite, thin-bedded, micaceous, locally garnetiferous, and thin psammitic beds.
Definition of Lower Boundary: Rapid transition from thin-bedded quartzite of Logie Head Quartzite Member.
Definition of Upper Boundary: Faulted boundary on coastal section.
Thickness: c.150m on coast section, with some repetition by folding; appears to thin inland but this may be effect of faulting
Geographical Limits: From coast at West Sands [NJ 5310 6810 - 5340 6765] as far as the southeast side of Crannoch Hill [NJ 521 664].
Parent Unit: Cullen Quartzite Formation (CUQU)
Previous Name(s): Dicky Hare Member (-3992)
West Sands Mica Schist (-862)
Dicky Hare Cove Flags (-1502)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  On the coast from the east side of Logie Head to the west side of Sunnyside 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. 
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). 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S096