BGS mineralogy and petrology collection record

Sample number	E27598; MR21286; COLLNO13G;
Sample Donor	Road Research Laboratory
Rock name	Not entered
Stratigraphy	Not entered
Comments	With well developed dark coloured spherules.
Locality details	Harnhills Quarry, Olveston.
50k map sheet	Chepstow (250) View images in GeoScenic related to 'Chepstow' View a geological map near 'Chepstow'
Map reference	ST 600 880
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.