INDEX- 



Shevaroy hills • • • 



Siihmanite in xenoliths . • . 

 Size of charnockite masses . 



Smith, F. H 



Sollas, W. J 



South Arcot • . • 



Specific gravity of acid division 



„ intermediate division 



„ norites . • 



„ pyroxenites . 



Sphene, absence of . . 



„ in aberrant form 



„ in altered and border forms 

 Spinel in pyroxenite . • 

 Structure of Ch. massifs . 



Subaerial weathering . • • 

 Submarine decomposition of rocks . 

 Summary . . • 



Syenitoid gneiss . • • . 



12: 



i33> *5i> 160, 170, 



121 



134 



178 



PAGE 



170, 



179 



• 



127 



• 



213 



. 



121 



217, 



235 



I70, 



178 



133* 



137 



i33> 



148 



i33> 



154 



i&5> 



166 



126, 



159 



. 



159 



126, 



127 



167, 



169 



. 



213 



185, 



197 



178, 



198 



. 



242 



. 



171 



Teall,J.J.H. . 



Thickness of Ch. series 



Tinnevelly district . 



Tirrupur 



Titanic acid as ilmenite 



Titaniferous iron-ore 



" Trap-shotten " gneiss 



" True veins " 



Type-exposures near Madras 



Type-mass of charnockite 



„ intermediate division 



,. norite 



126 



155 

 182 



133 



• 



223 





215 



. 



190 



169, 



170 



• 



126 



157, 



221 



198, 



248 



• 



220 



• 



171 



136, 



172 



. 



133 



133. 



172 



u 



Ultra-basic division 



134, 164 



