BGS mineralogy and petrology collection record

Sample number S31562
Sample Donor Eyles,V.A.
Rock name 'Original entry: Hornblende-Biotite-Calcite Rock'
Stratigraphy Not entered
Comments Metamorphic rocks occurring to the west of the outcrop of Middle Old Red Sandstone
Locality details Side of railway 2.05 miles SW of Invergarry Station
50k map sheet Glen Roy (63)

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Map reference NN 28670 95774
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


S31562

Cross Polarized, S31562

Plane Polarized, S31562

Plane Polarized, S31562