BGS mineralogy and petrology collection record

Sample number E53399; COLLNOMH961;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Silicious rhyolite
Locality details 1 KM E of Port Dinorwic
50k map sheet Bangor (106)

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Map reference SH 5320 6732
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


E53399

Cross Polarized, E53399

Plane Polarized, E53399

Plane Polarized, E53399