BGS mineralogy and petrology collection record

Sample number	E63971; COLLNOKB971;
Sample Donor	Not entered
Rock name	Tuff. 'Original entry: Basic Tuff'
Stratigraphy	Not entered
Comments	(GROUP= Snowdon Volcanic Group)(FORM= Bedded Pyroclastic Fm.)(MEMB= .)(IE=E)(TEXTURE=F-g, clasts up to 3cm
Locality details	Hafod y porth
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 6106 5095
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.