BGS mineralogy and petrology collection record

Sample number S16971
Sample Donor Anderson,J.G.C.
Rock name 'Original entry: Porphyry'
Stratigraphy Not entered
Comments Not a typical rossalite
Locality details Pass at head of Sleibhte-coire
50k map sheet Mull (44)

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Map reference NM 5528 3324
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


S16971

Cross Polarized, S16971

Plane Polarized, S16971

Plane Polarized, S16971