BGS mineralogy and petrology collection record

Sample number MR30234; COLLNOFH50;
Sample Donor Hart,F.; Oldershaw,D.;
Rock name 'Original entry: Shale'
Stratigraphy Carboniferous. Carboniferous. Millstone Grit Series
Comments Dark grey fissile shale. NGR as in register.
Locality details Quarry name: not recorded: at Working quarry 1000 yds 30 deg from Black Mountain Inn, Brynnamman
50k map sheet Ammanford (230)

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Map reference SN 725 159
Year collected 1968 
Bore name Not applicable
Confidentiality No restrictions