BGS mineralogy and petrology collection record

Sample number	S61530; COLLNOYR2159;
Sample Donor	Smith,D.I.
Rock name	'Original entry: Tonalite'
Stratigraphy	Not entered
Comments	Tonalite; L ORS
Locality details	Fechlin Tunnel, chainage 6240 ft
50k map sheet	Fort Augustus (73) View images in GeoScenic related to 'Fort Augustus' View the geology near 'Fort Augustus'
Map reference	NH 5134 1515
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.