BGS mineralogy and petrology collection record

Sample number	E63280; COLLNOKB280;
Sample Donor	Not entered
Rock name	Rhyolite. 'Original entry: Rhyolite'
Stratigraphy	Not entered
Comments	Intrusive into acid tuffs of Yr Arddu(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Spherultic, f-b
Locality details	Nant Mor/Croesor
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 6245 4530
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.