BGS mineralogy and petrology collection record

Sample number E42145; COLLNOMH586;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Fine acid tuff
Locality details Foot of crag, NE of Clogwyn Yr Eryr
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7354 6064
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


E42145

Cross Polarized, E42145

Plane Polarized, E42145

Plane Polarized, E42145