The BGS Lexicon of Named Rock Units — Result Details

Badenyon Schist And Limestone Formation

Computer Code: BSAL Preferred Map Code: SYMB
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Schistose psammites and semipelites with minor schistose calc-silicate rock, impure carbonate rock, limestone and quartzite.
Definition of Lower Boundary: Top of graphitic pelites of the underlying Glenbuchat Graphitic Schist Formation.
Definition of Upper Boundary: Truncated by faults and shear-zones of the Portsoy Lineament.
Thickness: Up to 900m (based on outcrop width only, with no allowance for folding etc.).
Geographical Limits: 100m to 1.5km-wide outcrop extending N-S from Leadensider Burn, Glenbuchat [NJ338 201] to Cairnagour Hill [NJ330 057]. Also in the Lecht-Delnadamph area, Gordon District. Sheets 75W and 75E.
Parent Unit: Easdale Subgroup (DBED)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Water of Buchat, Badenyon. 
Reference Section  Leadensider Burn, Badenyon. 
Reference(s):
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:
S075 S075