BGS mineralogy and petrology collection record

Sample number S30934; COLLNOSB220;
Sample Donor Buchan,S.
Rock name 'Original entry: Porphyritic Rhyolite'
Stratigraphy Not entered
Comments Porphyritic rhyolite; ORS
Locality details 960 yds NE of Gardie and 1940 yds ENE from N end of Gorda Water
50k map sheet West Shetland ? (127)

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View the geology near 'West Shetland ?'

Map reference HU 186 615
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


S30934

Cross Polarized, S30934

Plane Polarized, S30934

Plane Polarized, S30934