BGS mineralogy and petrology collection record

Sample number MR26713
Sample Donor Goode,A.J.J.; Sanderson,R.W.;
Rock name 'Original entry: Slate'
Stratigraphy Ordovician. Ordovician.
Comments Dark blue slate with pyrite bands. NGR as in register.
Locality details Quarry name: Maen Offeren slate mine: at 1350 yds 55 degrees from Capel Seion and 1/2 mile W of Llyn Bowydd Merioneth
50k map sheet Snowdon (119)

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Map reference SH 715 467
Year collected 1963 
Bore name Not applicable
Confidentiality No restrictions