BGS mineralogy and petrology collection record

Sample number	E64347; COLLNOKB1347;
Sample Donor	Not entered
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Cleaved dyke intruded into (Cambrian) Black Rock Sands. Reasonably fresh, thin weathered crust. XR MSA 70(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=
Locality details	WALES. Snowdon (119)
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 5215 3746
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.