BGS mineralogy and petrology collection record

Sample number E38865; COLLNOMH190;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Lava, rhyolitic
Locality details SW of Llyn Bychan
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7464 5884
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


E38865

Cross Polarized, E38865

Plane Polarized, E38865

Plane Polarized, E38865