BGS mineralogy and petrology collection record

Sample number	S79338; COLLNOWX1026;
Sample Donor	Stephenson,D.
Rock name	Gneiss; Semipelite;. 'Original entry: Biotite Gneiss'
Stratigraphy	Not entered
Comments	Biotite gneiss, semi pelitic, L.Dalradian
Locality details	R.Isla, 100m above Keith Bridge
50k map sheet	Knockando (85W) View images in GeoScenic related to 'Knockando' View a geological map near 'Knockando'
Map reference	NJ 4268 5078
Year collected	1987
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.