BGS mineralogy and petrology collection record

Sample number E52269; COLLNOLB521;
Sample Donor Jackson,A.A
Rock name 'Original entry: Tuff Rhyolite'
Stratigraphy Not entered
Comments ? Rhyolite or tuff
Locality details 1760 m 255 deg from Pant Gwyn
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

View the geology near 'Bala'

Map reference SH 8327 2635
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


E52269

Cross Polarized, E52269

Plane Polarized, E52269

Plane Polarized, E52269