BGS mineralogy and petrology collection record

Sample number S21634
Sample Donor Simpson,J.B.
Rock name Not entered
Stratigraphy Not entered
Comments On same strike as S. 21632-21633; garnets often very much bigger
Locality details 0.5 mile NNW of church in the Heylipol - Middleton road
50k map sheet Tiree (42)

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Map reference NL 9630 4382
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


S21634

Cross Polarized, S21634

Plane Polarized, S21634

Plane Polarized, S21634