BGS mineralogy and petrology collection record

Sample number S40964
Sample Donor Phemister,J.
Rock name 'Original entry: Quartzofeldspathic Mylonite'
Stratigraphy Not entered
Comments Quartzofeldspathic mylonite. Part of large cobble, 9" by 8" by 3", ?originally igneous
Locality details In rock scars, 850 ft 12 deg E of N of Russetter, Fetlar
50k map sheet Yell (130)

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Map reference HU 608 937
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


S40964

Cross Polarized, S40964

Plane Polarized, S40964

Plane Polarized, S40964