BGS mineralogy and petrology collection record

Sample number S99974; S99974/A; COLLNOGX1690;
Sample Donor Mendum,J.R.
Rock name Mylonite; Quartzite;. 'Original entry: Quartzite'
Stratigraphy Not entered
Comments Mylonitic quartzite
Locality details NNW end of Durnhill Quarry
50k map sheet Portsoy (96W)

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Map reference NJ 5637 6422
Year collected 1997 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S99974

Cross Polarized, S99974

Plane Polarized, S99974

Plane Polarized, S99974


S99974/A

Cross Polarized, S99974/A

Plane Polarized, S99974/A

Plane Polarized, S99974/A