BGS mineralogy and petrology collection record

Sample number MR31570; COLLNOBN364;
Sample Donor Bisson,G.; Dines,H.G.;
Rock name 'Original entry: Killas'
Stratigraphy Not entered
Comments Granite-Killas contact. NGR not available.
Locality details South Crofty Tin mine: at 310 ft level in main cross-cut approx. 1867 ft NNW of Robinsons shaft
50k map sheet Penzance (351)

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Map reference SW 67 42
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions