BGS mineralogy and petrology collection record

Sample number E63121; COLLNOKB121;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments Middle of flow unit(GROUP= Llewelyn Volcanic Group)(FORM= Capel Curig Volcanic Fm.)(MEMB= 3rd. Member.)(IE=E)(TEXTURE=Welded
Locality details Craig yr Ysfa
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View the geology near 'Bangor'

Map reference SH 6920 6490
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


E63121

Cross Polarized, E63121

Plane Polarized, E63121

Plane Polarized, E63121