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The Geology of fke Gold Fidds of /irifiah GvAnna. 



The following minerals have been recognised in the rocks of this 

 group : — 



Bytownite, labradorite, water-clear feldspar, cjuartz, augite, enstatite, 

 hornblende, epidote, chlorite, magnetite, titaniferous iron-ore, leucoxene, 

 sphene, serpentine, talc, zircon, apatite, zoisite, pyrite, zeolites, and 

 calcite. 



The foregoing analyses correspond to the following mineralogical 

 compositions : — 



NOKTH-WESTEKX DISTRICT. 



MAZAKUNI-CUYUNI UISTKICT. 



