BGS mineralogy and petrology collection record

Sample number E53385; COLLNOMH947;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Rhyolitic/feldspar porphy
Locality details SE of Port Dinorwic
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 5270 6667
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


E53385

Cross Polarized, E53385

Plane Polarized, E53385

Plane Polarized, E53385