BGS mineralogy and petrology collection record

Sample number E36238; COLLNOMH52;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Rhyolite? tuff
Locality details Near Greffyn 1/2 ml NE of Betws y Coed
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7954 5728
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


E36238

Cross Polarized, E36238

Plane Polarized, E36238

Plane Polarized, E36238