BGS mineralogy and petrology collection record

Sample number E41932; COLLNOMH578;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Banded acid tuff
Locality details SW of Dolgarrog
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

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Map reference SH 7658 6717
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


E41932

Cross Polarized, E41932

Plane Polarized, E41932

Plane Polarized, E41932