BGS mineralogy and petrology collection record

Sample number S30034
Sample Donor Wilson, George Victor
Rock name 'Original entry: Tonalite'
Stratigraphy Not entered
Comments Igneous intrusion; Summ Prog 1934, Pt. I, pp. 82-83
Locality details Shore, St Mary's Chapel, Sand
50k map sheet Central Shetland (128)

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Map reference HU 346 472
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


S30034

Cross Polarized, S30034

Plane Polarized, S30034

Plane Polarized, S30034