BGS mineralogy and petrology collection record

Sample number S30387; COLLNOTR147;
Sample Donor Robertson,T.
Rock name 'Original entry: Foliated K-Permeated Biotite Granite'
Stratigraphy Not entered
Comments Granite vein; poikiloblastic microcline; myrmekite
Locality details S2. Nacka Skerry, E side
50k map sheet Central Shetland (128)

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Map reference HU 612 662
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


S30387

Cross Polarized, S30387

Plane Polarized, S30387

Plane Polarized, S30387