The BGS Lexicon of Named Rock Units — Result Details

Carn An Daimh Transitional Member

Computer Code: CADT Preferred Map Code: symb
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Interbedded quartzite and graphitic pelite with local graded bedding.
Definition of Lower Boundary: Gradational boundary with the underlying Glen Taitneach Schist Member of the Gleann Beag Schist Formation located where psammite/quartzite becomes abundant.
Definition of Upper Boundary: Top of the interbedded quartzite/psammite and graphitic pelite succession. Base of the quartzite succession of the Creag Leacach Quartzite Formation.
Thickness: 70m
Geographical Limits: Carn an Daimh area. [NO 136 718]
Parent Unit: Gleann Beag Schist Formation (GBSC)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Carn an Daimh area. 
Reference(s):
Crane, A, Goodman, S, Krabbendam, M K, Leslie, A G, Paterson, I B, Robertson, S and Rollin, K, 1996. Geology of the Glen Shee district. Memoir of the British Geological Survey, Sheet 56W and adjacent areas (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S056 S065