BGS mineralogy and petrology collection record

Sample number N3490; N3490/b; N3490/c; COLLNOJW72100;
Sample Donor Winchester, J
Rock name 'Original entry: Calcsilicate Rock'
Stratigraphy Not entered
Comments Not entered
Locality details By SW side of Toll Lochan, Corriemulzie
50k map sheet Alness (93)

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View the geology near 'Alness'

Map reference NH 329 881
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


N3490

Cross Polarized, N3490

Plane Polarized, N3490

Plane Polarized, N3490


N3490/b

Cross Polarized, N3490/b

Plane Polarized, N3490/b

Plane Polarized, N3490/b


N3490/c

Cross Polarized, N3490/c

Plane Polarized, N3490/c

Plane Polarized, N3490/c