BGS mineralogy and petrology collection record

Sample number S73540; COLLNONX1377;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: Porphyrite, Feldspar-Rich'
Stratigraphy Not entered
Comments Mainly as trail of boulders
Locality details W side of A 713, S of Polmaddie
50k map sheet Maxwelltown (9)

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Map reference NX 6002 8779
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


S73540

Cross Polarized, S73540

Plane Polarized, S73540

Plane Polarized, S73540