BGS mineralogy and petrology collection record

Sample number MR33393
Sample Donor Chesher,J.A.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Porphyritic amygdaloidal fine dolerite. NGR as in register.
Locality details Quarry name: Crockham quarry: at 1890 m 92 deg. from Hennock church
50k map sheet Newton Abbot (339)

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Map reference SX 8490 8085
Year collected 1977 
Bore name Not applicable
Confidentiality No restrictions