BGS mineralogy and petrology collection record

Sample number E52315; COLLNOLB555;
Sample Donor Jackson,A.A
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Acid tuff with, ? sphalerite
Locality details 1500 m 245 deg from Craig Ddu
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

View the geology near 'Bala'

Map reference SH 8344 2933
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


E52315

Cross Polarized, E52315

Plane Polarized, E52315

Plane Polarized, E52315