BGS mineralogy and petrology collection record

Sample number	E10916; COLLNO317;
Sample Donor	Blake,Professor
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Barron Hill Rocks. See Mem.Geol.of Anglesey.p.390. Mixed felsite & andesite tuff. Day Book says sheet 105.
Locality details	Ev. Baron Hill drive. Pen-y-Pare rd.cutting (Baron Hill Drive) See loose leaf sht.106
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 59 76
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.