BGS mineralogy and petrology collection record

Sample number S50226; COLLNOYW456;
Sample Donor May,F.
Rock name 'Original entry: Microsyenite'
Stratigraphy Not entered
Comments Microsyenite from sheet in Fora Ness hornblendic mass
Locality details Fora Ness 180 yds W 7 deg S of trig. pt. 189 ft
50k map sheet Central Shetland (128)

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Map reference HU 448 476
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


S50226

Cross Polarized, S50226

Plane Polarized, S50226

Plane Polarized, S50226