BGS mineralogy and petrology collection record

Sample number S73524; COLLNONX1361;
Sample Donor Rock,N.M.S.
Rock name 'Original entry: 'Porphyrite''
Stratigraphy Not entered
Comments Over 2 m thick, trend ENE; quasi-foliated
Locality details In field S of Upper Barr
50k map sheet Maxwelltown (9)

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Map reference NX 7675 7758
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


S73524

Cross Polarized, S73524

Plane Polarized, S73524

Plane Polarized, S73524