BGS mineralogy and petrology collection record

Sample number	S26315; COLLNOWE7;
Sample Donor	Flett,J.S.
Rock name	'Original entry: ?Nepheline-Biotite Monchiquite'
Stratigraphy	Not entered
Comments	Dyke in ORS, trend NE, 3-6 ft wide, centre
Locality details	Grutha Point, E end of Water Sound
50k map sheet	Copinsay (118) View images in GeoScenic related to 'Copinsay' View the geology near 'Copinsay'
Map reference	ND 488 943
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.