BGS mineralogy and petrology collection record

Sample number	S92759; COLLNOLY654;
Sample Donor	Robertson,S.
Rock name	Gneiss. 'Original entry: Biotite Gneiss'
Stratigraphy	Not entered
Comments	Hornblende biotite amphibolitic gneiss
Locality details	Tasmach Cairn
50k map sheet	Blairgowrie (56) View images in GeoScenic related to 'Blairgowrie' View a geological map near 'Blairgowrie'
Map reference	NO 2258 7145
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.