BGS mineralogy and petrology collection record

Sample number	S41139; COLLNOXN1056;
Sample Donor	Wright,J.
Rock name	'Original entry: Quartz-Diorite (Tonale Type)'
Stratigraphy	Not entered
Comments	Coarse-grained biotite diorite; "coarse marginal type" of JGC Anderson
Locality details	Allt a' Mhuilinn, 1270 yds S 19 deg E of Inverlochy Castle
50k map sheet	Loch Eil (62) View images in GeoScenic related to 'Loch Eil' View the geology near 'Loch Eil'
Map reference	NN 1418 7556
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.