BGS mineralogy and petrology collection record

Sample number S73490; COLLNONX1328;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: ?Contaminated Porphyrite'
Stratigraphy Not entered
Comments c. 1 m dyke; ENE trend
Locality details Knockshinnoch Hill
50k map sheet Maxwelltown (9)

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Map reference NX 8871 7720
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


S73490

Cross Polarized, S73490

Plane Polarized, S73490

Plane Polarized, S73490