BGS mineralogy and petrology collection record

Sample number S29325
Sample Donor Phemister,J.
Rock name 'Original entry: Epidote-Biotite-Albite Gneiss'
Stratigraphy Not entered
Comments Epidote-biotite-albite gneiss. "Curly" grey gneiss; transitionally granulitised
Locality details NW of Calder's Head, 2600 ft W of Grut Ness
50k map sheet Yell (130)

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Map reference HU 339 919
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


S29325

Cross Polarized, S29325

Plane Polarized, S29325

Plane Polarized, S29325