BGS mineralogy and petrology collection record

Sample number	E63094; COLLNOKB94;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	From centre of sill, intrusion in Cwm Eigiau Fm.(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Coarse-grained
Locality details	Clogwyn yr Bryr
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7215 6692
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.