The BGS Lexicon of Named Rock Units — Result Details

Little Meldrum Tuff Member

Computer Code: LMEL Preferred Map Code: LMel
Status Code: Full
Age range: Caradoc Series (O4) — Caradoc Series (O4)
Lithological Description: Coarse tuff, lapilli-tuff and lapillistone with abundant pyroclasts from the Skiddaw Group, massive to crudely bedded
Definition of Lower Boundary: Taken at the base of the lowest bed of volcaniclastic rock overlying mudstones of the Skiddaw Group
Definition of Upper Boundary: Defined by the base of the overlying andesites of the Birker Fell Andesite Formation
Thickness: Up to 200m
Geographical Limits: Restricted to the area at the base of the Borrowdale Volcanic Group northwest of Ullswater, Cumbria
Parent Unit: Birker Fell Andesite Formation (BFA)
Previous Name(s): Little Meldrum Member (-4765)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Little Meldrum, about 2km west of Watermillock, Ullswater, Cumbria Beddoe-Stephens 2000 
Reference(s):
Beddoe-Stephens, B, 2000, The Borrowdale Volcanic Group of the Gowbarrow area, north of Ullswater, English Lake District (Sheet NY 42 SW). British Geological Survey Technical Report WG/00/05. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E030