BGS mineralogy and petrology collection record

Sample number E64415; COLLNOTL46;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments 20m above base of ash-flow unit(GROUP= Llewelyn Volcanic Group)(FORM= Capel Curig Volcanic Fm.)(MEMB= 1st. Member.)(IE=E)(TEXTURE=Welded
Locality details Gallt yr Ogof
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View the geology near 'Bangor'

Map reference SH 6914 5965
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


E64415

Cross Polarized, E64415

Plane Polarized, E64415

Plane Polarized, E64415