BGS mineralogy and petrology collection record

Sample number	E49928; COLLNOLB441;
Sample Donor	Jackson,A.A
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	? tuff or tuffite
Locality details	580 m 334 deg from Benglog
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 8033 2400
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.