BGS mineralogy and petrology collection record

Sample number MR29078; COLLNODAN942;
Sample Donor Dangerfield,J.; Merriman,R.J.;
Rock name 'Original entry: Limestone (Grey Fossiliferous Muddy Limestone)'
Stratigraphy Dinantian. Lower Carboniferous. Carboniferous Limestone Series
Comments Grey fossiliferous muddy limestone. NGR as in register. Black Rock Limestone (d1b)
Locality details Quarry name: Grovesend Quarry: at Grovesend Quarry, 600 yds north of Woodleaze Farm
50k map sheet Chepstow (250)

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Map reference ST 659 888
Year collected 1967 
Bore name Not applicable
Confidentiality No restrictions