BGS mineralogy and petrology collection record

Sample number MR26347
Sample Donor Green,G.W.
Rock name 'Original entry: Sandstone'
Stratigraphy Carboniferous. Carboniferous. Coal Measures
Comments Grey Sandstone. Roof of Rhondda No.2 seam.. NGR as in register.
Locality details Quarry name: Pwll Watkin Colliery.: at 825 yds S 3 degrees E of Nant Melyn farm, 2, 1/2 miles NNW of Ponardawe. Carmarthenshire
50k map sheet Ammanford (230)

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Map reference SN 6964 0876
Year collected 1963 
Bore name Not applicable
Confidentiality No restrictions