BGS mineralogy and petrology collection record

Sample number MR26728
Sample Donor Goode,A.J.J.; Sanderson,R.W.;
Rock name 'Original entry: Slate'
Stratigraphy Ordovician. Ordovician.
Comments Blue grey slate. NGR as in register.
Locality details Quarry name: Old quarry: at 775 yds 72 degrees from Ynys-ddu Caernarvonshire
50k map sheet Snowdon (119)

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Map reference SH 508 407
Year collected 1963 
Bore name Not applicable
Confidentiality No restrictions