BGS mineralogy and petrology collection record

Sample number E52275; COLLNOLB527;
Sample Donor Jackson,A.A
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Crystal tuff with Fe Carbonate
Locality details 780 m 291 deg from Pant Gwyn
50k map sheet Bala (136)

View images in GeoScenic related to 'Bala'

View the geology near 'Bala'

Map reference SH 8425 2708
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


E52275

Cross Polarized, E52275

Plane Polarized, E52275

Plane Polarized, E52275