BGS mineralogy and petrology collection record

Sample number S21932
Sample Donor Ross, George
Rock name 'Original entry: Zoisite-Amphibole Granulite'
Stratigraphy Not entered
Comments In glaciated rock knob. Garnetiferous, zoisite-poor type
Locality details Rocky knoll about 230 yds S of Lower Letters ruin
50k map sheet Lairg (102)

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Map reference NH 33985 97188
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


S21932

Cross Polarized, S21932

Plane Polarized, S21932

Plane Polarized, S21932