BGS mineralogy and petrology collection record

Sample number S30400; COLLNOTR160;
Sample Donor Robertson,T.
Rock name 'Original entry: Hornfelsed Biotite Schist'
Stratigraphy Not entered
Comments Schist, ?staurolite; biotite, calcic andesine, granulitic, local quartz-orthoclase clasts
Locality details S17. W coast of SW of North Hill and 800 yds WNW of church, Out Skerries
50k map sheet Central Shetland (128)

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Map reference HU 674 721
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


S30400

Cross Polarized, S30400

Plane Polarized, S30400

Plane Polarized, S30400