BGS mineralogy and petrology collection record

Sample number S94296; COLLNOCX2781;
Sample Donor Smith,C.G.
Rock name Tonalite. 'Original entry: Tonalite'
Stratigraphy Not entered
Comments Porphyritic tonalite/granodiorite
Locality details Torgalter Burn lowest exposure
50k map sheet Balmoral (65)

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Map reference NO 2881 9562
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, S94296

Plane Polarized, S94296

Plane Polarized, S94296