BGS mineralogy and petrology collection record

Sample number E38853; COLLNOMH213;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Tuff, Ignimbrite
Locality details S of Llyn Pencraig
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7790 5831
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


E38853

Cross Polarized, E38853

Plane Polarized, E38853

Plane Polarized, E38853