BGS mineralogy and petrology collection record

Sample number S30714
Sample Donor Robertson,T.
Rock name 'Original entry: Microbreccia'
Stratigraphy Not entered
Comments ?Dyke in granite; fragments of quartz-feldspar porphyry in pulverised similar material
Locality details C11. 60 yds due south of S. 30713, Muckle Ward
50k map sheet West Shetland ? (127)

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Map reference HU 297 606
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


S30714

Cross Polarized, S30714

Plane Polarized, S30714

Plane Polarized, S30714