BGS mineralogy and petrology collection record

Sample number	MR22023
Sample Donor	Not entered
Rock name	'Original entry: Biotite Granite'
Stratigraphy	Not entered
Comments	(one surface polished) Pres. by the Duke of Argyll
Locality details	Isle of Erraid, Ross of Mull
50k map sheet	Iona (43) View images in GeoScenic related to 'Iona' View the geology near 'Iona'
Map reference	NM 30 20
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions