BGS mineralogy and petrology collection record

Sample number E41928; COLLNOMH574;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Medium coarse dolerite
Locality details E of Tal y Fan Qry
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

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Map reference SH 7424 7325
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


E41928

Cross Polarized, E41928

Plane Polarized, E41928

Plane Polarized, E41928