BGS mineralogy and petrology collection record

Sample number E49353; COLLNOMH722;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Rhyolite/rhyolite tuff
Locality details S side of Llanberis Pass
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

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Map reference SH 6197 5730
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


E49353

Cross Polarized, E49353

Plane Polarized, E49353

Plane Polarized, E49353