BGS mineralogy and petrology collection record

Sample number	E21973
Sample Donor	Shannon,W.G.
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Quartz Dolerite'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Yarner Beacon
50k map sheet	Ivybridge (349) View images in GeoScenic related to 'Ivybridge' View a geological map near 'Ivybridge'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.