BGS mineralogy and petrology collection record

Sample number	E50839; COLLNODB139;
Sample Donor	Lynas,B.D.T.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Quartz feldspar tuff
Locality details	220 m 198 deg from Treflan-Isaf
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 5369 5845
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.