BGS mineralogy and petrology collection record

Sample number	S52664; COLLNOYR1349;
Sample Donor	Smith,D.I.
Rock name	'Original entry: Coarse Microdiorite'
Stratigraphy	Not entered
Comments	Coarse microdiorite dyke
Locality details	Ianachain Tunnel, Chainage 2250 ft
50k map sheet	Oban (45) View images in GeoScenic related to 'Oban' View the geology near 'Oban'
Map reference	NN 1227 3198
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.