BGS mineralogy and petrology collection record

Sample number E67612; COLLNOGW576;
Sample Donor Woodhall, D.G.
Rock name Not entered
Stratigraphy Not entered
Comments Coarse silicic tuff. ? Cumamliw Tuff
Locality details East of Cumamliw Farm
50k map sheet Builth (196)

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Map reference SO 0647 5568
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


E67612

Cross Polarized, E67612

Plane Polarized, E67612

Plane Polarized, E67612