BGS mineralogy and petrology collection record

Sample number	E52595; COLLNOLB570;
Sample Donor	Jackson,A.A
Rock name	'Original entry: Siltstone'
Stratigraphy	Not entered
Comments	Siltstone
Locality details	480 m 250 deg from Twr y Maen
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7894 3054
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.