GEOLOGICAL SURVEY OF INDIA. 



1 H-flhTlRna. 



Memoirs. Vol. XXXIV. TIM. 



Fhotogc 



Dffices.CcdcutlaJebraaryBa. 



MASS OF QUARTZ IN A MICA QUARRY. 



nmaniTi. nellore district. 



Photographed byT. H. Holland . 



