BGS mineralogy and petrology collection record

Sample number S30937; COLLNOSB223;
Sample Donor Buchan,S.
Rock name 'Original entry: Banded Rhyolite'
Stratigraphy Not entered
Comments Banded rhyolite; ORS
Locality details 230 yds S of centre of Brei Holm and 2160 ESE of S end of Gorda Water
50k map sheet West Shetland ? (127)

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Map reference HU 188 602
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


S30937

Cross Polarized, S30937

Plane Polarized, S30937

Plane Polarized, S30937