BGS mineralogy and petrology collection record

Sample number E64417; COLLNOTL48;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments Centre of lobe extending down at base of tuff(GROUP= Llewelyn Volcanic Group)(FORM= Capel Curig Volcanic Fm.)(MEMB= 2nd. Member.)(IE=E)(TEXTURE=Welded
Locality details Gallt yr Ogof
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

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Map reference SH 6915 5952
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


E64417

Cross Polarized, E64417

Plane Polarized, E64417

Plane Polarized, E64417