BGS mineralogy and petrology collection record

Sample number S6404
Sample Donor Gunn, W.
Rock name 'Original entry: Quartz Porphyry'
Stratigraphy Not entered
Comments Quartz porphyry, N edge of N dyke, NB. This slide says Sheet 13
Locality details "Jameson's Hornstone" Tormore
50k map sheet Arran (Millport) (21)

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Map reference NR 890 320
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


S6404

Cross Polarized, S6404

Plane Polarized, S6404

Plane Polarized, S6404