BGS mineralogy and petrology collection record

Sample number	S40593; COLLNOYB418;
Sample Donor	Lawrie,T.R.M.
Rock name	'Original entry: ?Microdiorite'
Stratigraphy	Not entered
Comments	Dyke, concordant, in calc-quartz schist (Ballachulish Limestone), 4 ft thick, trend N 62 deg E; ?microdiorite
Locality details	Allt nan Aire, 620 yds S 17 deg W of bridge over stream at Tomnafet
50k map sheet	Loch Eil (62) View images in GeoScenic related to 'Loch Eil' View the geology near 'Loch Eil'
Map reference	NN 2009 7748
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.