BGS mineralogy and petrology collection record

Sample number	S92763; COLLNOLY658;
Sample Donor	Robertson,S.
Rock name	Gneiss. 'Original entry: Biotite Gneiss'
Stratigraphy	Not entered
Comments	Biotite hornblende gneiss
Locality details	300m SW of Tasmach Cairn
50k map sheet	Blairgowrie (56) View images in GeoScenic related to 'Blairgowrie' View the geology near 'Blairgowrie'
Map reference	NO 2240 7119
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.