BGS mineralogy and petrology collection record

Sample number E64381; COLLNOTL12;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments Middle of ash-flow unit(GROUP= Llewelyn Volcanic Group)(FORM= Capel Curig Volcanic Fm.)(MEMB= 2nd. Member.)(IE=E)(TEXTURE=
Locality details Dyffryn Mymbyr
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View the geology near 'Bangor'

Map reference SH 7087 5795
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


E64381

Cross Polarized, E64381

Plane Polarized, E64381

Plane Polarized, E64381