BGS mineralogy and petrology collection record

Sample number S74563; COLLNOGX976A;
Sample Donor Mendum,J.R.
Rock name Gneiss.
Stratigraphy Not entered
Comments Graphitic schist with dark grey porphyroblasts
Locality details W flank of Tom Dubh Hill
50k map sheet Tomintoul (75)

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Map reference NJ 2062 2921
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


S74563

Cross Polarized, S74563

Plane Polarized, S74563

Plane Polarized, S74563