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 a geological map 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.