BGS mineralogy and petrology collection record

Sample number	E64204; COLLNOKB1204;
Sample Donor	Not entered
Rock name	Tuff. 'Original entry: Acid Tuff'
Stratigraphy	Not entered
Comments	25m below top of unit, 150m NE of Llwynyrhwch(GROUP= )(FORM= Nant Ffrancon Fm.)(MEMB= Clogwyn Gottal Tuff.)(IE=E)(TEXTURE=
Locality details	Nanat gwynant
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 6383 4902
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.