84 CHILLAGOE GARNET ROCK 



purpose of comparison. While onty approximate they 

 serve the purpose of showing this garnet to be of the same 

 type as the Chillagoe crystalHne variety, both being lime- 

 iron-alumina garnet. 



Alteration Products. — As is usual in copper deposits 

 the lode rocks above water level show signs of intense action 

 by mineral solutions. The garnet rock is to be found in 

 all stages of alteration, the initial stages giving usually 

 more or less magnetic products, and the final product 

 bein^ of friable nature and yellow to brown colour, having 

 a characteristic appearance not easily mistaken. 



