BGS mineralogy and petrology collection record

Sample number S51522; S51522/A; COLLNOYC1569;
Sample Donor Mykura,W.
Rock name 'Original entry: Hornblende Diorite'
Stratigraphy Not entered
Comments Basic diorite with large pyroxenes
Locality details 280 yd W 10 deg S of Gleisburn
50k map sheet Foula (125)

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Map reference HU 273 446
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


S51522

Cross Polarized, S51522

Plane Polarized, S51522

Plane Polarized, S51522


S51522/A

Cross Polarized, S51522/A

Plane Polarized, S51522/A

Plane Polarized, S51522/A