BGS mineralogy and petrology collection record

Sample number S16312
Sample Donor Tait,D.
Rock name 'Original entry: Porphyritic Dolerite'
Stratigraphy Not entered
Comments NW dyke, No. 9, 10 ft; in contact with S. 16311; Memoir, p. 370
Locality details Shore opposite Sgeir Leathan
50k map sheet Mull (44)

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Map reference NM 7194 2622
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


S16312

Cross Polarized, S16312

Plane Polarized, S16312

Plane Polarized, S16312