BGS mineralogy and petrology collection record

Sample number S31482
Sample Donor Simpson,J.B.
Rock name 'Original entry: Psammitic Gneiss, Indurated'
Stratigraphy Not entered
Comments Indurated psammitic gneiss, close to margin of S. 31478
Locality details 400 yds N of Gortanfearn
50k map sheet Tobermory (52)

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Map reference NM 6076 6921
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


S31482

Cross Polarized, S31482

Plane Polarized, S31482

Plane Polarized, S31482