BGS mineralogy and petrology collection record

Sample number S30959; COLLNOSB247;
Sample Donor Buchan,S.
Rock name 'Original entry: Porphyritic Rhyolite'
Stratigraphy Not entered
Comments Porphyritic rhyolite; ORS
Locality details 1000 yds ESE of Gardie and 180 yds N of centre of Brei Holm
50k map sheet West Shetland ? (127)

View images in GeoScenic related to 'West Shetland ?'

View the geology near 'West Shetland ?'

Map reference HU 189 604
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


S30959

Cross Polarized, S30959

Plane Polarized, S30959

Plane Polarized, S30959