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 [Obsolete Name and Code: Use LMEL]
(-4765)
|
Alternative Name(s): |
none recorded or not applicable
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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
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