BGS mineralogy and petrology collection record

Sample number E63552; COLLNOKB552;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments Top of flow unit(GROUP= Snowdon Volcanic Group)(FORM= Lower Rhyolitic Tuff Fm.)(MEMB= Moel Ddu Tuffs (unit 2a/3).)(IE=E)(TEXTURE=Welded, foliated
Locality details Oerddwr isaf, Moel Ddu
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 5833 4524
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


Cross Polarized, E63552

Plane Polarized, E63552

Plane Polarized, E63552