BGS mineralogy and petrology collection record

Sample number E42146; COLLNOMH587;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Coarse dolerite
Locality details Near stream cutting through crag, NE of Clogwyn Yr Eryr
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7344 6063
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


E42146

Cross Polarized, E42146

Plane Polarized, E42146

Plane Polarized, E42146