BGS mineralogy and petrology collection record

Sample number E52314; COLLNOLB554;
Sample Donor Jackson,A.A
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Crystal tuff with pyrite
Locality details 1750 m 283 deg from Pant Gwyn
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

View the geology near 'Bala'

Map reference SH 8330 2720
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


E52314

Cross Polarized, E52314

Plane Polarized, E52314

Plane Polarized, E52314