BGS mineralogy and petrology collection record

Sample number	E45918; COLLNOLA356;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Marginal phase of dolerite
Locality details	230 yds 240 deg from Garth Maelan
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7411 1880
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.