BGS mineralogy and petrology collection record

Sample number E67607; COLLNOGW571;
Sample Donor Woodhall, D.G.
Rock name Not entered
Stratigraphy Not entered
Comments Silicic tuff, Top of Llandrindad Tuff
Locality details Between Craig and Cumamliw Farm
50k map sheet Builth (196)

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Map reference SO 0731 5989
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


E67607

Cross Polarized, E67607

Plane Polarized, E67607

Plane Polarized, E67607