BGS mineralogy and petrology collection record

Sample number MR26684
Sample Donor Goode,A.J.J.; Sanderson,R.W.;
Rock name 'Original entry: Slate'
Stratigraphy Ordovician. Lower Ordovician. Llandeilo
Comments Grey slate.. NGR as in register.
Locality details Quarry name: Penmachno quarry.: at 700 yds 195 degrees from Capel Carmel Tregynwal. Caernarvonshire
50k map sheet Snowdon (119)

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Map reference SH 749 468
Year collected 1963 
Bore name Not applicable
Confidentiality No restrictions