BGS mineralogy and petrology collection record

Sample number S4898
Sample Donor Dakyns, John Roche
Rock name 'Original entry: Biotite Granite'
Stratigraphy Not entered
Comments Not entered
Locality details Rather over 0.5 mile from 20th milestone from Killin, SW corner of Perthshire 101 NE
50k map sheet Balquhidder (46)

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Map reference NN 310 189
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


S4898

Cross Polarized, S4898

Plane Polarized, S4898

Plane Polarized, S4898