BGS mineralogy and petrology collection record

Sample number	E45916; COLLNOLA354;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Crystal tuff
Locality details	410 yds North Hendre Blaeu Llin
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 8044 3431
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.