BGS mineralogy and petrology collection record

Sample number E72359; COLLNOCT1057;
Sample Donor Johnson,E.W.
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Caradoc. Borrowdale Volcanic Group.
Comments blocky jointed acid lava with abundant phenocrysts
Locality details not recorded
50k map sheet Cumbria or Ambleside (38)

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Map reference SD 2128 9399
Year collected 1986 
Bore name Not applicable
Confidentiality No restrictions