BGS mineralogy and petrology collection record

Sample number S59120
Sample Donor Phemister,J.
Rock name 'Original entry: Spherulitic Micropegmatitic Felsite'
Stratigraphy Not entered
Comments Spherulitic micropegmatitic felsite, basic margin of c. 3.6 m thick feldspar porphyry dyke cutting diorite of Northmaven Complex (UORS)
Locality details N coast of Hamar Voe, 50 yds SW of Northlees
50k map sheet North Shetland ? (129)

View images in GeoScenic related to 'North Shetland ?'

View the geology near 'North Shetland ?'

Map reference HU 305 764
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


S59120

Cross Polarized, S59120

Plane Polarized, S59120

Plane Polarized, S59120