BGS mineralogy and petrology collection record

Sample number S77293; COLLNOKX452;
Sample Donor Gallagher,M.J.
Rock name Felsite.
Stratigraphy Not entered
Comments Porphyritic dyke with quartz, orthoclase and biotite phenocrysts, 15m+ thick, trend 176deg.(joints).
Locality details 330m SE of junction of Larry Burn with Allt na Glaic.
50k map sheet Tomintoul (75)

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Map reference NJ 3437 0193
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


S77293

Cross Polarized, S77293

Plane Polarized, S77293

Plane Polarized, S77293