BGS mineralogy and petrology collection record

Sample number E63222; COLLNOKB222;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Slightly lower than KB221(GROUP= Llewelyn Volcanic Group)(FORM= Conwy Rhyolite Fm.)(MEMB= No.2 unit.)(IE=E)(TEXTURE=Chlorit., 2nd recryst
Locality details Foel Lwyd, nr sheepfold
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7168 7274
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


Cross Polarized, E63222

Plane Polarized, E63222

Plane Polarized, E63222