BGS mineralogy and petrology collection record

Sample number E40566; COLLNOMH464;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Muddy crystal tuff
Locality details Cefn Maen Llwyd
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

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Map reference SH 7802 6043
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


E40566

Cross Polarized, E40566

Plane Polarized, E40566

Plane Polarized, E40566