BGS mineralogy and petrology collection record

Sample number	E63284; COLLNOKB284;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Tal y Fan Sill(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Medium-Grained
Locality details	Tal y Fan
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 7293 7265
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.