BGS mineralogy and petrology collection record

Sample number	S52628; COLLNOYR1198;
Sample Donor	Smith,D.I.
Rock name	'Original entry: Grey Granodiorite'
Stratigraphy	Not entered
Comments	Typical grey granodiorite
Locality details	Cruachan Main Tunnel, chainage 915 ft from outfall portal
50k map sheet	Oban (45) View images in GeoScenic related to 'Oban' View the geology near 'Oban'
Map reference	NN 0830 2977
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.