BGS mineralogy and petrology collection record

Sample number	E54037; COLLNOLA968;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Tuff
Locality details	920 yds 55 deg Cadwgan
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7666 2739
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.