BGS mineralogy and petrology collection record

Sample number	E63463; COLLNOKB463;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite Composite'
Stratigraphy	Not entered
Comments	West margin of comp sill, see KB455-6 & 464(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=M-g, sub-ophitic
Locality details	Ceunant Ty'n y ddol
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 6785 5234
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.