BGS mineralogy and petrology collection record

Sample number	E38689; COLLNOBL161;
Sample Donor	Leveridge,B.E.
Rock name	'Original entry: Rhyolite'
Stratigraphy	Not entered
Comments	Plug like nodular rhyolitic intrusion
Locality details	1000 yds S of Dolwyddelen Station
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 7372 5214
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.