BGS mineralogy and petrology collection record

Sample number E63608; COLLNOKB608;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite Clast'
Stratigraphy Not entered
Comments Clast from rhyolite see KB603-4 Samples not fresh Rhyolite debris-flow(GROUP= Snowdon Volcanic Group)(FORM= Lower Rhyolitic Tuff Fm.)(MEMB= .)(IE=E)(TEXTURE=Clasts in mud matrix
Locality details Cwm Fynhadeg Isaf
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 6820 5040
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, E63608

Plane Polarized, E63608

Plane Polarized, E63608