BGS mineralogy and petrology collection record

Sample number	E50516; COLLNOMH791;
Sample Donor	Howells,M.F.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Lapilli tuff. Lower Rhyolitic tuffs/Bedded Pyroclastics Formation
Locality details	Afon Las. NE of Gwastadnant
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6183 5799
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.