BGS mineralogy and petrology collection record

Sample number	E50426; COLLNOLB452;
Sample Donor	Jackson,A.A
Rock name	'Original entry: Sandstone Greywacke'
Stratigraphy	Not entered
Comments	Hafotty Formation. Greywacke
Locality details	470 m 18 deg from Castell
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 6167 1833
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.