BGS mineralogy and petrology collection record

Sample number E63550; COLLNOKB550;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments (GROUP= Snowdon Volcanic Group)(FORM= Lower Rhyolitic Tuff Fm.)(MEMB= Moel Ddu Tuffs (unit 1).)(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 5845 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, E63550

Plane Polarized, E63550

Plane Polarized, E63550