The BGS Lexicon of Named Rock Units — Result Details

Coralea Phyllite Member

Computer Code: COPH Preferred Map Code: SYMB
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Phyllitic semipelites, grey-green, laminated to striped with minor limestone beds.
Definition of Lower Boundary: Limit of quartzites at top of Kymah Quartzite Formation.
Definition of Upper Boundary: Base of pebbly quartzites of the Caochandye Quartzite Member.
Thickness: c. 300m (based on outcrop width with no allowance for probable folding).
Geographical Limits: 250 - 500m wide outcrop extending N-S from around Allt na Craoibhe - Caorainn [NJ 31 25] to Water of Nochty [NJ 305 162]. Also in synclinal core around Steplar Road [NJ 30 26], Moray District 1:50 000 Sheet 75E.
Parent Unit: Culchavie Striped Formation (CUST)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Section  Burn of Coralea, Glenbuchat. 
Memoir of the British Geological Survey, Sheet 75, in preparation. 
Fettes, D J, Lesley, A G, Stephenson, D and Kimbell, S F, 1991. Disruption of Dalradian stratigarphy along the Portsey Lineament from new geological and magnetic surveys. Scottish Journal of Geology, Vol.27, 57-73. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: