BGS mineralogy and petrology collection record

Sample number	E64348; COLLNOKB1348;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Cleaved; intruding into Cambrian seds. High proportion of weathered crust. XR MSA 71(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details	Garreg Goch
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 5623 3703
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.