BGS mineralogy and petrology collection record

Sample number S40074
Sample Donor Wright,J.
Rock name 'Original entry: Quartzose Phyllite From Quartzose Band In Ben Lawers Phyllites'
Stratigraphy Not entered
Comments Not entered
Locality details Lyon - Lochay HE scheme Allt a'Mhoineas - Allt Coire a'Choinnidh tunnel. 2660ft from chainage zero point near outfall portal
50k map sheet Balquhidder (46)

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Map reference NN 6085 3890
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


S40074

Cross Polarized, S40074

Plane Polarized, S40074

Plane Polarized, S40074