BGS mineralogy and petrology collection record

Sample number S83918; COLLNOGX1394;
Sample Donor Mendum,J.R.
Rock name Tonalite. 'Original entry: Quartz Diorite'
Stratigraphy Not entered
Comments Biotite quartz diorite
Locality details 465m at 278deg from Moulzie, Glen Clova
50k map sheet Balmoral (65)

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Map reference NO 2780 7792
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


Cross Polarized, S83918

Plane Polarized, S83918

Plane Polarized, S83918