BGS mineralogy and petrology collection record

Sample number	E43921; COLLNOLB245;
Sample Donor	Jackson,A.A
Rock name	'Original entry: Tuff Sedimentary Rock'
Stratigraphy	Not entered
Comments	Overlying sediment (Tuff)
Locality details	0.465 Km 110 deg from Caer Defaid
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7985 2336
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.