BGS mineralogy and petrology collection record

Sample number MR9129
Sample Donor Eastwood,T.
Rock name 'Original entry: Metavolcanic Rock'
Stratigraphy Caradoc. Caradocian. Borrowdale Volcanic Group
Comments Tilberthwaite slate. NGR estimated.
Locality details Quarry name: Penny Rig Quarries: at Tilberthwaite, 2 miles NNE of Coniston Lancashire
50k map sheet Cumbria or Ambleside (38)

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Map reference NY 30 00
Year collected 1932 
Bore name Not applicable
Confidentiality No restrictions