BGS mineralogy and petrology collection record

Sample number	E63523; COLLNOKB523;
Sample Donor	Not entered
Rock name	Rhyolite. 'Original entry: Rhyolite'
Stratigraphy	Not entered
Comments	Small dome, coarse f-b, +breccia carapace, see KB524(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details	Parc Hafod y Llan
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 6071 5040
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.