BGS mineralogy and petrology collection record

Sample number E37206; COLLNOMH120;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Silicic Rhyolite tuff
Locality details N of Afon Lleder; 2 ml E of Dolwyddelan
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7815 5848
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


E37206

Cross Polarized, E37206

Plane Polarized, E37206

Plane Polarized, E37206