BGS mineralogy and petrology collection record

Sample number	E63256; COLLNOKB256;
Sample Donor	Not entered
Rock name	Rhyolite. 'Original entry: Rhyolite'
Stratigraphy	Not entered
Comments	I/E associated with BPF(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Some sulphide
Locality details	Bylchau Teyrn
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 6193 5090
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.