BGS mineralogy and petrology collection record

Sample number	E39036; COLLNOHF266;
Sample Donor	Francis,E.H.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Rhyolite or tuff-set with feldspar at contact
Locality details	200 yd W of Brynen Gen
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7177 5765
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.