BGS mineralogy and petrology collection record

Sample number	E46613; COLLNOLA247;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Diorite'
Stratigraphy	Not entered
Comments	Diorite sill cut by mineralised vein
Locality details	800 yds 295 deg from Glanllafar
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7297 3667
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.