BGS mineralogy and petrology collection record

Sample number	E63498; COLLNOKB498;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite Composite'
Stratigraphy	Not entered
Comments	4m from contact, basalt, highly epidotised see KB499(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=F-g, vesic, ?pillows
Locality details	Rhyd Ddu-Llechog
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 5880 5370
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.