BGS mineralogy and petrology collection record

Sample number E52431; COLLNOLB533;
Sample Donor Jackson,A.A
Rock name 'Original entry: Tuff Rhyolite'
Stratigraphy Not entered
Comments ? Acid tuff or rhyolite
Locality details 1380 m 279 deg from Pant Gwyn
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

View the geology near 'Bala'

Map reference SH 8354 2700
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


E52431

Cross Polarized, E52431

Plane Polarized, E52431

Plane Polarized, E52431