BGS mineralogy and petrology collection record

Sample number E64260; COLLNOKB1260;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments Second sub-unit,above lower sub-unit of KB1259. 1/3 of way up unit, below basalt intercalation.(GROUP= Snowdon Volcanic Group)(FORM= Upper Rhyolitic Tuff Fm.)(MEMB= .)(IE=E)(TEXTURE=
Locality details Crib y ddysgl
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 6105 5516
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, E64260

Plane Polarized, E64260

Plane Polarized, E64260