BGS mineralogy and petrology collection record

Sample number S30887; COLLNOSB157;
Sample Donor Buchan,S.
Rock name 'Original entry: Feldspar Porphyry'
Stratigraphy Not entered
Comments Feldspar porphyry, sill; ORS
Locality details 270 yds N from SW corner of Burga Water and 930 yds SW of Shumla Stone
50k map sheet West Shetland ? (127)

View images in GeoScenic related to 'West Shetland ?'

View the geology near 'West Shetland ?'

Map reference HU 229 540
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


S30887

Cross Polarized, S30887

Plane Polarized, S30887

Plane Polarized, S30887