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

Field of view: c. 31 mm.