BGS mineralogy and petrology collection record

Sample number S27165
Sample Donor Phemister,J.
Rock name 'Original entry: Mylonite, Epidotic, Actinolitic'
Stratigraphy Not entered
Comments Mylonite, epidotic, actinolitic. Coarse foliated basic schist in slaty "schist" group; with porphyroclastic ore-sphene aggregate
Locality details In cliff E of Gillor Stack, 3200 ft N of Everland
50k map sheet Yell (130)

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Map reference HU 661 922
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


S27165

Cross Polarized, S27165

Plane Polarized, S27165

Plane Polarized, S27165