BGS mineralogy and petrology collection record

Sample number S6897
Sample Donor Barrow, G.
Rock name 'Original entry: Muscovite-Biotite Gneiss'
Stratigraphy Not entered
Comments Squirt of Ben Vuirich Granite; really biotite-granite enclosed in granite; quite narrow and looks like a dyke; Mem. Sh. 55, p. 48
Locality details In the stream bed, Glen Loch
50k map sheet Blair Atholl (55)

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Map reference NO 006 715
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions