The BGS Lexicon of Named Rock Units — Result Details
Dicky Hare Semipelite Member
Computer Code: | DICH | Preferred Map Code: | DicH |
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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): | West Sands Mica Schist
(-862)
Dicky Hare Member [Obsolete Name and Code: Use DICH] (-3992) Dicky Hare Cove Flags [Obsolete Name and Code: Use DICH] (-1502) |
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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 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). | |||
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. | |||
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 |