GEOLOGICAL SURVEY Of IX PI A. 



Memoirs. Vol. XT. IV, PI. 7. 



FIG. 1. AHMEDNAGAR SANDSTONE, HATHMATI R. 



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Photographs by C. S. MiddltmiiS. 



FIG. 2. QUARTZ-PORPHYRY TOR. SABLI 



G. S. /. Calcutta. 



