BGS mineralogy and petrology collection record

Sample number S51519; S51519/A; COLLNOYC1561;
Sample Donor Mykura,W.
Rock name 'Original entry: Quartz-Rich Microgranite'
Stratigraphy Not entered
Comments Fine-grained non-porphyritic microgranite
Locality details Kirkabreist, 720 yd S 44 deg W of S end of Sand Water
50k map sheet Foula (125)

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Map reference HU 264 441
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


S51519

Cross Polarized, S51519

Plane Polarized, S51519

Plane Polarized, S51519


S51519/A

Cross Polarized, S51519/A

Plane Polarized, S51519/A

Plane Polarized, S51519/A