BGS mineralogy and petrology collection record

Sample number N12744; MC11806;
Sample Donor Park, Prof.R.Graham, Keele University
Rock name 'Original entry: Plag-Qtz-Kfels-Biot-Mus-Epid. Gneiss'
Stratigraphy Not entered
Comments Tollie gneiss
Locality details Gairloch
50k map sheet Gairloch (91)

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Map reference NG 8715 7647
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


N12744

Cross Polarized, N12744

Plane Polarized, N12744

Plane Polarized, N12744