J. SCHETELIG. 



M.-N. Kl. 



Fig. 8. Pegmatite. Scott's Nunataks. Labradorite from the "Sahl-band" surrounded of biotite- 

 scales. Micro-Photo. Niçois +• Enlarg. 17. 



Fig. 9. Segregation of magnetite in granite-pegmatite. .Scott's Nunataks. Photo of thin slice. 



Enlarg. 3.5. 



