BGS mineralogy and petrology collection record

Sample number	E26936; COLLNOFD46;
Sample Donor	Dunning,F.W.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Vitric Tuff band in Slates below Llanrhychwyn Slate (A7)
Locality details	250 yds. NNE of Bwlch-Y-Gwynt
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 777 605
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.