BGS mineralogy and petrology collection record

Sample number	E47473; COLLNOLA432;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Microdiorite'
Stratigraphy	Not entered
Comments	Microdiorite
Locality details	250 yds 36 deg from Croes Lwyd
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7490 1783
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.