BGS mineralogy and petrology collection record

Sample number	E47477; COLLNOLA437;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Sandstone'
Stratigraphy	Not entered
Comments	Feldspathic Sst.
Locality details	Nant Ddu, 660 yds 247 deg from Blaen Lliw Isaf
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 8000 3315
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.