The BGS Lexicon of Named Rock Units — Result Details

Hill Of Foudland Pelite Member

Computer Code: HFPM Preferred Map Code: SYMB
Status Code: Full
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: Pelite and semipelite, generally very fine-grained, dark grey to black, often with a prominant slaty cleavage, with rare lenses of fine-grained psammite.
Definition of Lower Boundary: Marked by the incoming of more homogenous pelitic slaty rocks within the host Macduff Formation grits, psammites and pelites.
Definition of Upper Boundary: Marked by the incoming of gritty, more heterogeneous rocks of the host Macduff Formation.
Thickness: Unknown, because of complications due to folding.
Geographical Limits: The member crops out in a c.1km wide linear belt from the northern margin of Boganclogh Basic Intrusion (NJ3045) to a point c.2km north east of Hull of Tillymorgan at c.(NJ675355).
Parent Unit: Macduff Formation (MCD)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Area  Extensive old quarries on Hill of Foudland. 
none recorded or not applicable
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S086 S086