BGS mineralogy and petrology collection record

Sample number MR27494; COLLNORJ325;
Sample Donor Wyatt,R.J.
Rock name 'Original entry: Dark Grey Argillaceous Calcareous Siltstone'
Stratigraphy Not entered
Comments With finely crystalline very carcareous lenses (Bed C)
Locality details M4/M5 Motorway Interchange, 1600yd E 12deg S of St.Mary's Church, Almondsbury
50k map sheet Chepstow (250)

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Map reference ST 6180 9380
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions