BGS mineralogy and petrology collection record

Sample number S30783; COLLNOTR310;
Sample Donor Robertson,T.
Rock name 'Original entry: Chloritised Uralitised Dolerite'
Stratigraphy Not entered
Comments Chloritised uralitised dolerite
Locality details J16. Roadside 460 yds E of Twatt Church
50k map sheet Central Shetland (128)

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Map reference HU 331 532
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


S30783

Cross Polarized, S30783

Plane Polarized, S30783

Plane Polarized, S30783