BGS mineralogy and petrology collection record

Sample number S3899
Sample Donor Dakyns, John Roche
Rock name 'Original entry: Mica Diorite'
Stratigraphy Not entered
Comments Near tonalite; Sheet 38
Locality details N side of R Arnan, about 1/2 mile above Inverarnan
50k map sheet Balquhidder (46)

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Map reference NN 301 183
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


S3899

Cross Polarized, S3899

Plane Polarized, S3899

Plane Polarized, S3899