BGS mineralogy and petrology collection record

Sample number S50210; COLLNOYW440;
Sample Donor May,F.
Rock name 'Original entry: Tourmaline Granite'
Stratigraphy Not entered
Comments Tourmaline granite from sheet in limestone
Locality details Shore section, 380 yds N 44 deg W of Breckness
50k map sheet Central Shetland (128)

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Map reference HU 385 488
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


S50210

Cross Polarized, S50210

Plane Polarized, S50210

Plane Polarized, S50210