BGS mineralogy and petrology collection record

Sample number S6581
Sample Donor Teall, J.J.H.
Rock name 'Original entry: Quartz Hornblende Biotite Porphyrite'
Stratigraphy Not entered
Comments Quartz hornblende biotite porphyrite, brown hornblende and bio, in groundmass
Locality details 3rd dyke cutting granite, SW of top of Bengairn
50k map sheet Kirkcudbright (5)

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Map reference NX 76 54
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


S6581

Cross Polarized, S6581

Plane Polarized, S6581

Plane Polarized, S6581