BGS mineralogy and petrology collection record

Sample number	E63092; COLLNOKB92;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Near lower contact, intrusion in Cwm Eigiau Fm.(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Fine-grained
Locality details	Clogwyn yr Bryr
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 7215 6680
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.