BGS mineralogy and petrology collection record

Sample number MR30961; COLLNOSN1317;
Sample Donor Sanderson,R.W.; Tresham, A.E.( nee Gough);
Rock name 'Original entry: Mudstone'
Stratigraphy Llandovery. Lower Or Middle Valentian, Silurian.
Comments Grey finely bedded cleaved silty mudstone. NGR as in register.
Locality details Quarry name: not recorded: at Disused quarry by River Severn at Glan-Y-Mant
50k map sheet Llanidloes (164)

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Map reference SN 932 847
Year collected 1971 
Bore name Not applicable
Confidentiality No restrictions