BGS mineralogy and petrology collection record

Sample number	E39969; COLLNOBL277;
Sample Donor	Leveridge,B.E.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Top of tuff; in dolerite
Locality details	700 yds NW of Pen Y Gadair Top
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7344 6980
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.