BGS mineralogy and petrology collection record

Sample number S98311; S98311/a; S98311/b; COLLNOGX1634;
Sample Donor Mendum,J.R.
Rock name Quartzite. 'Original entry: Quartzite'
Stratigraphy Not entered
Comments Feldspathic quartzite
Locality details Lower central part of Coire Sgoir
50k map sheet Dalwhinnie (63E)

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Map reference NN 4859 7494
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


S98311/a

Cross Polarized, S98311/a

Plane Polarized, S98311/a

Plane Polarized, S98311/a


S98311/b

Cross Polarized, S98311/b

Plane Polarized, S98311/b

Plane Polarized, S98311/b