BGS mineralogy and petrology collection record

Sample number E50420; COLLNOLB446;
Sample Donor Jackson,A.A
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments Ordovician Volcanic
Locality details 2209 m 300 deg from Pant Clyd
50k map sheet Bala (136)

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Map reference SH 8247 2685
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


E50420

Cross Polarized, E50420

Plane Polarized, E50420

Plane Polarized, E50420