BGS mineralogy and petrology collection record

Sample number	E50430; COLLNOLB456;
Sample Donor	Jackson,A.A
Rock name	'Original entry: Sedimentary Rock'
Stratigraphy	Not entered
Comments	Base of Llanbedr Formation
Locality details	570 m 202 deg from Ty Cerrig
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 6905 3314
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.