BGS mineralogy and petrology collection record

Sample number E37190; COLLNOMH102;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Cleaved silty tuff
Locality details 1/2 ml NW of Bwlch y Gwynt
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7746 6049
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


E37190

Cross Polarized, E37190

Plane Polarized, E37190

Plane Polarized, E37190