BGS mineralogy and petrology collection record

Sample number E63662; COLLNOKB662;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments 15m above base(GROUP= Nantmor Group)(FORM= Pitts Head Tuff Fm.)(MEMB= Lower Flow Unit.)(IE=E)(TEXTURE=Welded
Locality details Cwmystradllyn
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View the geology near 'Snowdon'

Map reference SH 5594 4577
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


E63662

Cross Polarized, E63662

Plane Polarized, E63662

Plane Polarized, E63662