BGS mineralogy and petrology collection record

Sample number S29599; S29599/A;
Sample Donor Wilson, George Victor
Rock name 'Original entry: Altered Hornblende Rock'
Stratigraphy Not entered
Comments Altered hornblende rock? Epidote and calcite now with mica
Locality details Grunna Taing, Sandsound Voe
50k map sheet Central Shetland (128)

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Map reference HU 348 489
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


S29599

Cross Polarized, S29599

Plane Polarized, S29599

Plane Polarized, S29599


S29599/A

Cross Polarized, S29599/A

Plane Polarized, S29599/A

Plane Polarized, S29599/A