BGS mineralogy and petrology collection record

Sample number E72410; COLLNOCT1159;
Sample Donor Johnson,E.W.
Rock name Tuff. 'Original entry: Ignimbrite'
Stratigraphy Caradoc. Borrowdale Volcanic Group.
Comments ignimbrite dyke below base of Middle Lickle Ignimbrite - abundant plagioclase crystals in heterolithic matrix
Locality details Tarn Hill
50k map sheet Cumbria or Ambleside (38)

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Map reference SD 2084 9299
Year collected 1986 
Bore name Not applicable
Confidentiality No restrictions