BGS mineralogy and petrology collection record

Sample number	S51656; COLLNOYR759;
Sample Donor	Smith,D.I.
Rock name	'Original entry: ?Microdiorite'
Stratigraphy	Not entered
Comments	?Microdiorite dyke
Locality details	Loch Awe Project (HE26): Cruachan Access Tunnel, 1390 ft from outfall
50k map sheet	Oban (45) View images in GeoScenic related to 'Oban' View the geology near 'Oban'
Map reference	NN 0797 2713
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.