BGS mineralogy and petrology collection record

Sample number	E50422; COLLNOLB448;
Sample Donor	Jackson,A.A
Rock name	'Original entry: Sandstone Greywacke'
Stratigraphy	Not entered
Comments	Maentwrog Formation Greywacke
Locality details	80 m 320 deg from Llechfraith
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 6682 1922
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.