BGS mineralogy and petrology collection record

Sample number	E18103; COLLNOM220;
Sample Donor	Matley, C.A
Rock name	Sandstone (Undifferentiated). 'Original entry: Sandstone'
Stratigraphy	Not entered
Comments	Lingula Flags; chiefly Vigra Beds
Locality details	Llanfihangel y Trachau; Shore W of Clogwyn Melyn
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View a geological map near 'Harlech'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.