BGS mineralogy and petrology collection record

Sample number	E64219; COLLNOKB1219;
Sample Donor	Not entered
Rock name	Tuff. 'Original entry: Acid Tuff'
Stratigraphy	Not entered
Comments	15m above base(GROUP= )(FORM= Nant Ffrancon Fm.)(MEMB= Penamnen Tuff.)(IE=E)(TEXTURE=
Locality details	Crimea Pass
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 6978 4951
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.