BGS mineralogy and petrology collection record

Sample number S74584; S74584/A; COLLNOGX1003; SP-;
Sample Donor Mendum,J.R.
Rock name Gneiss.
Stratigraphy Not entered
Comments Lenticular bedded micaceous psammite/semipelite
Locality details Allt Reppachie, 740m at 331 degrees from summit of Tom Dunan
50k map sheet Tomintoul (75)

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Map reference NJ 2135 0974
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


S74584

Cross Polarized, S74584

Plane Polarized, S74584

Plane Polarized, S74584


S74584/A

Cross Polarized, S74584/A

Plane Polarized, S74584/A

Plane Polarized, S74584/A