BGS mineralogy and petrology collection record

Sample number	E39109; COLLNOCE52;
Sample Donor	Evans,C.D.R.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Green coarse crystal tuff 10ft from top of Drosgl Gp.
Locality details	1050 yd 20deg E of N of Cairn in Bwlchy Ddeufaen
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7197 7246
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.