BGS mineralogy and petrology collection record

Sample number	S70527; COLLNOYR2572;
Sample Donor	Smith,D.I.
Rock name	'Original entry: Biotite Microdiorite'
Stratigraphy	Not entered
Comments	Biotite microdiorite cutting schistose grit; late Caledonian dyke
Locality details	Calder Burn, Glen Buck
50k map sheet	Glen Roy (63) View images in GeoScenic related to 'Glen Roy' View the geology near 'Glen Roy'
Map reference	NH 3428 0073
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.