BGS mineralogy and petrology collection record

Sample number E63872; COLLNOKB872;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments 15m from KB871,?basic, geochem traverse see KB873(GROUP= Snowdon Volcanic Group)(FORM= Lower Rhyolitic Tuff Fm.)(MEMB= .)(IE=E)(TEXTURE=
Locality details Cwm Llan
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View the geology near 'Snowdon'

Map reference SH 6240 5234
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


E63872

Cross Polarized, E63872

Plane Polarized, E63872

Plane Polarized, E63872