BGS mineralogy and petrology collection record

Sample number E52433; COLLNOLB536;
Sample Donor Jackson,A.A
Rock name 'Original entry: Tuff Rhyolite'
Stratigraphy Not entered
Comments Acid tuff or intrusion
Locality details 1430 m 292 deg from Pant Gwyn
50k map sheet Bala (136)

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Map reference SH 8360 2738
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


E52433

Cross Polarized, E52433

Plane Polarized, E52433

Plane Polarized, E52433