BGS mineralogy and petrology collection record

Sample number E68275; COLLNOWP211;
Sample Donor Pratt, W.
Rock name Not entered
Stratigraphy Not entered
Comments Dolerite/basalt. LVF.
Locality details 700 m at 318 deg from Bwlchmawr Farm
50k map sheet Builth (196)

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Map reference SN 8882 5133
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


E68275

Cross Polarized, E68275

Plane Polarized, E68275

Plane Polarized, E68275