BGS mineralogy and petrology collection record

Sample number E63633; COLLNOKB633;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments By roadside A4085(GROUP= Arfon Group)(FORM= Padarn Tuff Fm.)(MEMB= .)(IE=E)(TEXTURE=Welded
Locality details Llwyn Bedw
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 5300 5830
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


E63633

Cross Polarized, E63633

Plane Polarized, E63633

Plane Polarized, E63633