BGS mineralogy and petrology collection record

Sample number	E26926; COLLNOFD36;
Sample Donor	Dunning,F.W.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Part of 12" spec. of Vitric Tuff, Upper V.T. bed (C12)
Locality details	Roadside outcrop 450 yds. SSE of Tyn-Y-Gross
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 767 596
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.