BGS mineralogy and petrology collection record

Sample number N7773
Sample Donor Flinn, Prof. Derek. (Liverpool University)
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Quartz porphyry
Locality details Unst
50k map sheet Not entered

View the geology near 'Not entered'

Map reference HU 627 996
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


N7773

Cross Polarized, N7773

Plane Polarized, N7773

Plane Polarized, N7773