BGS mineralogy and petrology collection record

Sample number	E46606; COLLNOLA237;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Diorite'
Stratigraphy	Not entered
Comments	Diorite sill; adjacent mineralisation
Locality details	780 yds 298 deg from Hafod Owen
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7504 2647
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.