BGS mineralogy and petrology collection record

Sample number S40122; S40122/A; COLLNOXJ363;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Feldspar Porphyrite With Garnet'
Stratigraphy Not entered
Comments Feldspar porphyrite with garnet; ?trondhjemitic (type 1)
Locality details Allt Mhuic, 1670 yds upstream
50k map sheet Loch Eil (62)

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Map reference NN 1262 9260
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


S40122

Cross Polarized, S40122

Plane Polarized, S40122

Plane Polarized, S40122


S40122/A

Cross Polarized, S40122/A

Plane Polarized, S40122/A

Plane Polarized, S40122/A