BGS mineralogy and petrology collection record

Sample number	E63511; COLLNOKB511;
Sample Donor	Not entered
Rock name	Andesite. 'Original entry: Andesite'
Stratigraphy	Not entered
Comments	Vent, mapped as 'rhyolite'in BPF, sulphide, see KB512(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details	Glaslyn
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 6135 5460
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.