BGS mineralogy and petrology collection record

Sample number S77619; COLLNOCX1753;
Sample Donor Smith,C.G.
Rock name 'Original entry: Biotite ?Felsite'
Stratigraphy Not entered
Comments Grey, porphyritic
Locality details c. 50 - 60 m SE of deer fence
50k map sheet Balmoral (65)

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Map reference NO 2325 9625
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


S77619

Cross Polarized, S77619

Plane Polarized, S77619

Plane Polarized, S77619