GEOLOGICAL SURVEY OF INDIA. 



Memoirs, Vol. XXXIX, PI. 8. 



Fig. 1x17. OLIVINE GABBRO, NAM Hsan. 



A. Augite, F. Felspar, O. Olivine. 



T. H. D. La Touch», Photomioro 



Fig. 2 33. PORTION OF ABOVE ENLARGED 

 TO SHOW 'REACTION RIMS.' 



Surrounding Olivines at contact with felspar 



