BGS mineralogy and petrology collection record

Sample number E28729; COLLNOHS5;
Sample Donor Squirrell,H.C.
Rock name 'Original entry: Carbonaceous Kaolinite Mudstone (? Tonstein)'
Stratigraphy Not entered
Comments 2" band lying west. A sharp junction of pale grey, fine grained, quartzitic sandstone, followed by dark grey mudstone. Carbonaceous at base.
Locality details Hafodrynys Colliery, No. 2 drift. 1850 (horizontally) from beginning of drift. 385'6" below Tillery vein.
50k map sheet Newport (249)

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Map reference ST 2410 9874
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions