BGS mineralogy and petrology collection record

Sample number S25617
Sample Donor Tyrrell, G.W.
Rock name Not entered
Stratigraphy Not entered
Comments Pitchstone of composite dyke
Locality details Cir Mhor about 300 yards W of The Saddle between Glen Rosa and Glen Sannox, in the main gully in E face
50k map sheet Arran (Millport) (21)

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Map reference NR 973 432
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


S25617

Cross Polarized, S25617

Plane Polarized, S25617

Plane Polarized, S25617