The BGS Lexicon of Named Rock Units — Result Details

Possil Fourteen Inch Under Coal (Glasgow Area; Central Coalfield)

Computer Code: PFIUC Preferred Map Code: notEntered
Status Code: Index Level
Age range: Pendleian Substage (CE) — Pendleian Substage (CE)
Lithological Description: Thin, impersistent but easily recognisable coal seam in the Glasgow-Stirling region. Occasionally found in Kilsyth and Stirling area. Forsyth, 1962, states that: "when absent as coal, a prominent seat earth is found and the overlying shale (fissile mudstone) is thicker than found with adjacent coals".
Definition of Lower Boundary: Thin coal or seat earth bed overlies Ashfield Coking Coal within Limestone Coal Formation.
Definition of Upper Boundary: Possil Fourteen Inch Under Coal is overlain by thin "cyclothem" containing Possil Fourteen Inch Coal (PFI), Limestone Coal Formation.
Thickness: 0.1m
Geographical Limits: Glasgow region of Midland Valley, Scotland.
Parent Unit: Limestone Coal Formation (LSC)
Previous Name(s): Fourteen Inch Under Coal [Inappropriate Name And Code: Use PFIUC] (FINUC)
Alternative Name(s): none recorded or not applicable
Type Section  Queenslie No.1 Borehole, 1949, Glasgow (NS66NE BH 85) at 513m depth. Forsyth and Read, 1962. 
Forsyth, I H and Read, W A. 1962. The Correlation of the Limestone Coal Group above the Kilsyth coking coal in the Glasgow-Stirling region. Bulletin of the Geological Survey of Great Britain No.19, 29-52. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable