BGS mineralogy and petrology collection record

Sample number S77381; COLLNOMY515;
Sample Donor Gould,D.
Rock name Tonalite. 'Original entry: Tonalite'
Stratigraphy Not entered
Comments "Tonalite", coarse grained
Locality details 175m W of Home Farm, Castle Forbes
50k map sheet Alford (76W)

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Map reference NJ 6184 1933
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, S77381

Plane Polarized, S77381

Plane Polarized, S77381