BGS mineralogy and petrology collection record

Sample number S28598; S28598/A; COLLNODH1779;
Sample Donor Haldane,D.
Rock name 'Original entry: Pyroxene-Hornblendite'
Stratigraphy Not entered
Comments ?Dioritic mass; development of actinolite and red biotite
Locality details W Bay, Grobsness
50k map sheet Central Shetland (128)

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Map reference HU 368 633
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


S28598

Cross Polarized, S28598

Plane Polarized, S28598

Plane Polarized, S28598


S28598/A

Cross Polarized, S28598/A

Plane Polarized, S28598/A

Plane Polarized, S28598/A