BGS mineralogy and petrology collection record

Sample number S39553
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Amphibolite'
Stratigraphy Not entered
Comments Torn-up lamprophyre lens c. 6 ft by 2 ft (?or hornblende-schist) bodies more or less concordant
Locality details Rudha an t-Sabhail, a few yds W of tonalite-schist contact
50k map sheet Tobermory (52)

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Map reference NM 773 599
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


S39553

Cross Polarized, S39553

Plane Polarized, S39553

Plane Polarized, S39553