BGS mineralogy and petrology collection record

Sample number S21733
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Pyritous Mineral'
Stratigraphy Not entered
Comments Grey coarse pyritous mineral (intrusive)
Locality details Coast 750 yds N 35 deg E from E end of lochan at Carrastaoin
50k map sheet Tiree (42)

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Map reference NL 9527 4759
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


S21733

Cross Polarized, S21733

Plane Polarized, S21733

Plane Polarized, S21733