BGS mineralogy and petrology collection record

Sample number S3930
Sample Donor Dakyns, John Roche
Rock name 'Original entry: Nodular Biotite Schist Or Gneiss'
Stratigraphy Not entered
Comments ?Cordierite
Locality details Dubh Eas, 3 miles from foot of Glen
50k map sheet Balquhidder (46)

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Map reference NN 281 215
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


S3930

Cross Polarized, S3930

Plane Polarized, S3930

Plane Polarized, S3930