BGS mineralogy and petrology collection record

Sample number MR31021; COLLNOSN1447;
Sample Donor Sanderson,R.W.; Tresham, A.E.( nee Gough);
Rock name 'Original entry: Basalt'
Stratigraphy Not entered
Comments Grey-green porphyritic basalt or diabase. NGR as in register.
Locality details Quarry name: Llanellwedd Quarry: at Llanellwedd quarry 400 yds 25 deg from Llanellwedd Church
50k map sheet Builth (196)

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Map reference SO 049 521
Year collected 1971 
Bore name Not applicable
Confidentiality No restrictions