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 the geology 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.