BGS mineralogy and petrology collection record

Sample number S28601; COLLNODH1855;
Sample Donor Haldane,D.
Rock name 'Original entry: Biotite Tonalite, Contaminated'
Stratigraphy Not entered
Comments Biotite tonalite, contaminated ?Granitic mass
Locality details SW slopes of Filli Field
50k map sheet Central Shetland (128)

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Map reference HU 368 664
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


S28601

Cross Polarized, S28601

Plane Polarized, S28601

Plane Polarized, S28601