BGS mineralogy and petrology collection record

Sample number	E63210; COLLNOKB210;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Complex contact relations, sulphides For T/S only(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Contact, md., hyalo,
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.