BGS mineralogy and petrology collection record

Sample number MR26427
Sample Donor Dangerfield,J.
Rock name 'Original entry: Slate'
Stratigraphy Cambrian. Lower Cambrian.. Grey Slate Group.
Comments Greenish grey salte, grey hard.. NGR as in register.
Locality details Quarry name: Penrhyn quarry.: at 500 yds bearing 207 degrees from Ogwen bank. Caernarvonshire
50k map sheet Bangor (106)

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Map reference SH 624 651
Year collected 1963 
Bore name Not applicable
Confidentiality No restrictions