BGS mineralogy and petrology collection record

Sample number E52265; COLLNOLB517;
Sample Donor Jackson,A.A
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Banded crystal rich tuff
Locality details 1760 m 275 deg from Pont Gwyn
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

View the geology near 'Bala'

Map reference SH 8324 2698
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


E52265

Cross Polarized, E52265

Plane Polarized, E52265

Plane Polarized, E52265