BGS mineralogy and petrology collection record

Sample number	E65154; COLLNOGW275;
Sample Donor	Woodhall, D.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Porphyritic basalt (tuff ?)
Locality details	Garthgynfawr; SW of Cross Foxes Hotel
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View a geological map near 'Barmouth'
Map reference	SH 7512 1580
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.