BGS mineralogy and petrology collection record

Sample number S45700; COLLNOXJ1307;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Felsic Porphyry'
Stratigraphy Not entered
Comments Felsic porphyry sheet in Moine, for comparison
Locality details 733 yds E 42 deg N from summit of Sgurr Choinich
50k map sheet Loch Eil (62)

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Map reference NN 1328 9544
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S45700

Cross Polarized, S45700

Plane Polarized, S45700

Plane Polarized, S45700