BGS mineralogy and petrology collection record

Sample number E63245; COLLNOKB245;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments From massive silicified pod(GROUP= Snowdon Volcanic Group)(FORM= Lower Rhyolitic Tuff Fm.)(MEMB= .)(IE=E)(TEXTURE=Welded
Locality details Cwm Tregalan, Clogwyn Du
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View the geology near 'Snowdon'

Map reference SH 6065 5307
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


E63245

Cross Polarized, E63245

Plane Polarized, E63245

Plane Polarized, E63245