BGS mineralogy and petrology collection record

Sample number S42695
Sample Donor Phemister,J.
Rock name 'Original entry: Microperthite Granite'
Stratigraphy Not entered
Comments Microperthite granite, quartz replacing feldspar
Locality details Foot of Stonga Banks at north end of Lang Ayre
50k map sheet North Shetland ? (129)

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Map reference HU 291 862
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


S42695

Cross Polarized, S42695

Plane Polarized, S42695

Plane Polarized, S42695