BGS mineralogy and petrology collection record

Sample number E63110; COLLNOKB110;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments 1m above base of flow unit. Nant Llyfnant section(GROUP= Llewelyn Volcanic Group)(FORM= Capel Curig Volcanic Fm.)(MEMB= 1st. Member.)(IE=E)(TEXTURE=Welded
Locality details Craig yr Ysfa
50k map sheet Bangor (106)

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View the geology near 'Bangor'

Map reference SH 6920 6445
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


E63110

Cross Polarized, E63110

Plane Polarized, E63110

Plane Polarized, E63110