BGS mineralogy and petrology collection record

Sample number E22886; COLLNOKY171;
Sample Donor Kellaway,G.A.
Rock name 'Original entry: Pink Calcite Mudstone Fragments In Limestone Matrix'
Stratigraphy Not entered
Comments Impure Lmst. Bed in dolomitic conglomerate, passing into breccia
Locality details Cutting at Clifton Down station. End of Clifton Down Tunnel
50k map sheet Bristol (264)

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Map reference ST 574 760
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E22886

Cross Polarized, E22886

Plane Polarized, E22886

Plane Polarized, E22886