BGS mineralogy and petrology collection record

Sample number	S82912; COLLNOGX1316;
Sample Donor	Mendum,J.R.
Rock name	Tonalite. 'Original entry: Quartz Diorite'
Stratigraphy	Not entered
Comments	Black/white biotite quartz diorite
Locality details	Burn of Altduthrie 125m 290deg from Bachnagairn
50k map sheet	Ballater (65E) View images in GeoScenic related to 'Ballater' View the geology near 'Ballater'
Map reference	NO 2539 7954
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.