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 a geological map 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.