BGS mineralogy and petrology collection record

Sample number	E39035; COLLNOHF265;
Sample Donor	Francis,E.H.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Intrusion of rhyolite or tuff-Phenocrystic mdst at centre
Locality details	720 yd WSW of Gelli
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7137 5807
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.