BGS mineralogy and petrology collection record

Sample number	E26950; COLLNOFD60;
Sample Donor	Dunning,F.W.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Unweathered Muddy Crystal Tuff
Locality details	Tip by shaft, 210 yds. WNW of Sarnau
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 776 592
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.