The BGS Lexicon of Named Rock Units — Result Details

Nellfield Marl

Computer Code: NLFM Preferred Map Code: notEntered
Status Code: Index Level
Age range: Asbian Substage (CR) — Asbian Substage (CR)
Lithological Description: Variegated red, purple and green "marls" (calcareous mudstone) alternating with gritty sandstone, with a hard, ferruginous basal conglomerate.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: c.4m
Geographical Limits: Scottish Central Coalfield, typically around Nellfield, Lanarkshire.
Parent Unit: Lawmuir Formation (LWM)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
none recorded or not applicable
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable