BGS mineralogy and petrology collection record

Sample number	E37994; COLLNOHF206;
Sample Donor	Francis,E.H.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Variety of intrusive rhyolites
Locality details	160yds N of Plas y Brenw
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7164 5798
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.