BGS mineralogy and petrology collection record

Sample number	E63097; COLLNOKB97;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Intrusion in Cwm Eigiau Fm.(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details	Cefn tal Llyn Eigiau
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7172 6669
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.