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 the geology near 'Snowdon'
Map reference	SH 6820 5040
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.