BGS mineralogy and petrology collection record

Sample number	E63148; COLLNOKB148;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Sill intrusive into Llanrhychwyn Slates(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Coarse-grained
Locality details	Pen y craig gron
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 7485 6240
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.