BGS mineralogy and petrology collection record

Sample number S73535; COLLNONX1372;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: 'Porphyrite', Altered'
Stratigraphy Not entered
Comments Sheet, c. 0.5 m thick
Locality details In gorge of Coom Burn, below track to Hannaston
50k map sheet Maxwelltown (9)

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Map reference NX 5942 8257
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


S73535

Cross Polarized, S73535

Plane Polarized, S73535

Plane Polarized, S73535