BGS mineralogy and petrology collection record

Sample number E26902; COLLNOFD12;
Sample Donor Dunning,F.W.
Rock name Not entered
Stratigraphy Not entered
Comments Cleaved Vitric Tuff(?), bed dipping NW at 15o (D1)
Locality details Outcrop, roadside, 200 yds. NNE of N end of Llyn Tyn-Y-Mynyyd
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

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Map reference SH 768 594
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


E26902

Cross Polarized, E26902

Plane Polarized, E26902

Plane Polarized, E26902