BGS mineralogy and petrology collection record

Sample number S77662; COLLNOCX1892;
Sample Donor Smith,C.G.
Rock name 'Original entry: Quartz-Monzonite'
Stratigraphy Not entered
Comments Medium-grained, grey (called biotite granite in field)
Locality details c. 130 m ENE of Cnoc Chalmac summit
50k map sheet Balmoral (65)

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Map reference NJ 2669 0070
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


S77662

Cross Polarized, S77662

Plane Polarized, S77662

Plane Polarized, S77662