BGS mineralogy and petrology collection record

Sample number E63679; COLLNOKB679;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments 25m S of road, 5m W of wall(GROUP= Snowdon Volcanic Group)(FORM= Lower Rhyolitic Tuff Fm.)(MEMB= .)(IE=E)(TEXTURE=
Locality details Pen y Pass
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View the geology near 'Snowdon'

Map reference SH 6463 5565
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


E63679

Cross Polarized, E63679

Plane Polarized, E63679

Plane Polarized, E63679