BGS mineralogy and petrology collection record

Sample number S43233; S43233/A;
Sample Donor Phemister,J.
Rock name 'Original entry: Granite With Granophyric Base'
Stratigraphy Not entered
Comments Xenocrystic glomeroporphyritic turbid albite, rectangular oligoclase-albite prisms, and hypidiomorphic perthite
Locality details 1000 ft NW of outflow from Birka Water
50k map sheet Yell (130)

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Map reference HU 313 877
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


S43233

Cross Polarized, S43233

Plane Polarized, S43233

Plane Polarized, S43233


S43233/A

Cross Polarized, S43233/A

Plane Polarized, S43233/A

Plane Polarized, S43233/A