BGS mineralogy and petrology collection record

Sample number	E63209; COLLNOKB209;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Intrusion at base of Dolgarrog VF. chilled margin?(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Fine, chilled?
Locality details	Dolgarrog, W of Al works
50k map sheet	Llandudno (94) View images in GeoScenic related to 'Llandudno' View the geology near 'Llandudno'
Map reference	SH 7666 7630
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.