BGS mineralogy and petrology collection record

Sample number S30936; COLLNOSB222;
Sample Donor Buchan,S.
Rock name 'Original entry: Porphyritic Igneous Rock'
Stratigraphy Not entered
Comments Porphyritic lava; ORS
Locality details 140 yds ESE of Gardie and 520 yds WSW of centre of Boinna Skerry
50k map sheet West Shetland ? (127)

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Map reference HU 182 608
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


S30936

Cross Polarized, S30936

Plane Polarized, S30936

Plane Polarized, S30936