BGS mineralogy and petrology collection record

Sample number	E50433; COLLNOLB459;
Sample Donor	Jackson,A.A
Rock name	'Original entry: Sandstone Greywacke'
Stratigraphy	Not entered
Comments	Greywacke, Gamlan Formation
Locality details	145 m 193 deg from Gerrddi Bluog
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 6190 3067
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.