Garnets, acicular inclusions in 



„ origin of 

 Garnetiferous acid varieties . 



„ leptynite . 



„ norite • 



Geikie, A. # . 



Gneisses, classification of 

 Gneissose structure, origin of 

 Goethals, Dr. P. . 

 Granites with hypersthene 

 Granitoid gneiss of South Arcot 

 Grcimdit-formjtion 

 Granulitic structure, origin of 

 Graphite in Ch. series . 

 Graphite occurrences in Ceylon 

 Green spinel in pyroxenites 



„ xenoliths 



INDEX. 



G 







PAGE 



. 



161, 



162 



143. 



161, 



245 



. 



. 



142 



• 



142, 



172 



• 



160, 



l8l 



• 





223 



. 



238, 



246 



• 



• 



123 



• 



. 



I36 



. 



135. 



HI 



.. 



. 



179 



H3> 



204, 



213 



• 



154. 



239 



• 



152, 



153 



- . 



. 



J 53 





167, 



182 



127, 236 



H 



Harker, A. H. . . 

 Hatch, F. H. 

 Hayden, H. H. . 

 Hercynite in pyroxenite 

 „ in xenoliths . 



Heterogeneity of igneous masses 



„ metamorphosed sedimen 



Homogeneity of Ch. series 

 Hornblende-augite norite 

 Hornblendic forms 

 Hornblende, optical characters of 

 Hornblende rocks 

 Hosur gneiss . • 



Hyde, Rev. H. B. . 

 Hydration, limited degree of . 

 Hyperites of Scandinavia 

 Hypersthene, characters of . 

 Hypersthene-granites, foreign, 

 Hypersthene-pyroxenites 

 Hysterogcnctic schlieren 



ts 



. 



161 



152, 



206 



. 



202 



167, 



182 



127, 



236 





215 



. 



214 





214 



• 



157 



- 



183 



158, 



167 



. 



169 



. 



179 



. 



134 





197 





209 



. 



141 



. 



135 



. 



166 



145, 



220 



