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 a geological map 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.