BGS mineralogy and petrology collection record

Sample number E26929; COLLNOFD39;
Sample Donor Dunning,F.W.
Rock name Not entered
Stratigraphy Not entered
Comments Massive grey Tuff in base of grey slates (B8)
Locality details Roadside outcrop, 400 yds. S of Tyn-Y-Groes
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 766 596
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


E26929

Cross Polarized, E26929

Plane Polarized, E26929

Plane Polarized, E26929