BGS mineralogy and petrology collection record

Sample number MR26746
Sample Donor Goode,A.J.J.; Sanderson,R.W.;
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Dolerite with small green xenoliths. NGR as in register.
Locality details Quarry name: Moel y gest quarry: at 2/3 mile 257 degrees from Portmadoc railway station. Caernarvonshire
50k map sheet Snowdon (119)

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Map reference SH 5551 3899
Year collected 1963 
Bore name Not applicable
Confidentiality No restrictions