BGS mineralogy and petrology collection record

Sample number S40682
Sample Donor Wright,J.E.
Rock name 'Original entry: Calcareous Quartzite Typical Of Hard Ribs And Bands In Phyllites Of Ben Lawers G'
Stratigraphy Not entered
Comments Not entered
Locality details Lyon - Lochay HE scheme Stroninch - Duncroisk tunnel. 40ft from chainage zero point near outfall portal
50k map sheet Balquhidder (46)

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Map reference NN 5452 3536
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


S40682

Cross Polarized, S40682

Plane Polarized, S40682

Plane Polarized, S40682