BGS mineralogy and petrology collection record

Sample number	S48720; COLLNOYR625;
Sample Donor	Smith,D.I.
Rock name	'Original entry: Microdiorite'
Stratigraphy	Not entered
Comments	Microdiorite dyke
Locality details	Crunachy Adit runs approx. NE (HE 26): 2345 from tunnel portal
50k map sheet	Oban (45) View images in GeoScenic related to 'Oban' View the geology near 'Oban'
Map reference	NN 0401 3044
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.