BGS mineralogy and petrology collection record

Sample number S40513
Sample Donor Phemister,J.
Rock name 'Original entry: Epidotic Chlorite-Albite Gneiss'
Stratigraphy Not entered
Comments Epidotic chlorite-albite gneiss. From large ellipsoidal mass (6 ft long) showing confocal foliation; specimen is 1 ft 6 in from centre; foliated hornblende-feldspar rock group
Locality details Rock scars close to bank, and 30 yds from W coast of Aith Ness
50k map sheet Yell (130)

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Map reference HU 632 897
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


S40513

Cross Polarized, S40513

Plane Polarized, S40513

Plane Polarized, S40513