The BGS Lexicon of Named Rock Units — Result Details

Glenbuchat Graphitic Schist Formation

Computer Code: GLGS Preferred Map Code: SYMB
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Graphitic pelites and semipelites, slaty to schistose with minor psammite and rare banded limestone.
Definition of Lower Boundary: Lower limit of graphitic pelites above striped phyllitic semipelites and psammites of the Culchavie Striped Formation.
Definition of Upper Boundary: Upper limit of graphitic pelites at the base of schistose semipelites of the Badenyon Schist and Limestone Formation.
Thickness: To 500m.
Geographical Limits: Elongate, N-S trending outcrop, up to 750m wide, extending from area of Scors Burn [NJ 322 229] to Glen More [NJ 328 044]. Also in Lecht area, Gordon District. 1: 50 000 Sheet 75E.
Parent Unit: Easdale Subgroup (DBED)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Section  Water of Buchat, Glenbuchat Lodge. 
Memoir of the British Geological Survey, Sheet 75, in preparation. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: