BGS mineralogy and petrology collection record

Sample number S73528; COLLNONX1365;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: 'Porphyrite''
Stratigraphy Not entered
Comments Invades black shales
Locality details Shoal in Urr Water, at bend, NE of Crogo Mains
50k map sheet Maxwelltown (9)

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Map reference NX 7572 7767
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


S73528

Cross Polarized, S73528

Plane Polarized, S73528

Plane Polarized, S73528