BGS mineralogy and petrology collection record

Sample number	E48921; COLLNONGB166;
Sample Donor	Berridge,N.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Cleaved ?porphyritic andesite
Locality details	1680 m 248 deg from Foel Fras Summit
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6811 6754
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.