BGS mineralogy and petrology collection record

Sample number	E26709; COLLNOA296;
Sample Donor	Whitehead,T.H.
Rock name	'Original entry: Rhyolite'
Stratigraphy	Not entered
Comments	Rhyolite.
Locality details	Quarry, Pont Rhyd Y Groesian, near Criccieth.
50k map sheet	Nefyn (118) View images in GeoScenic related to 'Nefyn' View the geology near 'Nefyn'
Map reference	SH 507 407
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.