BGS mineralogy and petrology collection record

Sample number	E46074; COLLNOLA296;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Dolerite
Locality details	160 yds 170 deg from Hendre Gyfeilliad
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7564 1788
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.