BGS mineralogy and petrology collection record

Sample number	E22887; COLLNOKY172;
Sample Donor	Kellaway,G.A.
Rock name	'Original entry: Sandy Dolomite Siltstone'
Stratigraphy	Not entered
Comments	Yellow dolomitic mudstone above Celestine bearing breccia
Locality details	Cutting at Clifton Down station. End of Clifton Down Tunnel
50k map sheet	Bristol (264) View images in GeoScenic related to 'Bristol' View the geology near 'Bristol'
Map reference	ST 574 760
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.