BGS mineralogy and petrology collection record

Sample number MR26730
Sample Donor Goode,A.J.J.; Sanderson,R.W.;
Rock name 'Original entry: Slate'
Stratigraphy Ordovician. Ordovician.
Comments Light grey poor quality slate. NGR as in register.
Locality details Quarry name: Hendre ddu quarry: at Top level N side, 1075 yds 246 degrees from St Michaels church Llanvihangel-y-pennant Caernarvonshire
50k map sheet Snowdon (119)

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Map reference SH 518 445
Year collected 1963 
Bore name Not applicable
Confidentiality No restrictions