BGS mineralogy and petrology collection record

Sample number	E64368; COLLNOKB1368;
Sample Donor	Not entered
Rock name	'Original entry: Ash Flow Tuff'
Stratigraphy	Not entered
Comments	Weathered and silicified. Upper middle feature. XR M 3(GROUP= )(FORM= )(MEMB= .)(IE=E)(TEXTURE=
Locality details	West side of Llyn Conwy
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 7817 4570
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.