BGS mineralogy and petrology collection record

Sample number S21756
Sample Donor Macgregor,A.G.
Rock name Not entered
Stratigraphy Not entered
Comments Green rock; possibly further alteration of S. 21755
Locality details Coast 750 yds N 35 deg E from the 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


S21756

Cross Polarized, S21756

Plane Polarized, S21756

Plane Polarized, S21756