584 THE GEOLOGY OF THE WARRUMBUNGLE MOUNTAINS, 



This deposit occurs about 650 feet up the mountain side at an 

 elevation of about 2,000 feet above sea-level; it apparently 

 extends under the entire basaltic summit of the mountain^ 

 outcropping on all sides. 





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Doi'omdceoL/s Earth Deposit 



BUGALDI 

 NS.W 



Scale 2. chains +"0 an inch 



Fie 8 —Sketch Map Diatomaceous Earth Deposits, Bugaldi, N.S.W. 

 Scale, 2 chains to an inch (reduced by \ approximately). 



I have plotted the diatomaceous earths of Chalk Mountain in 

 the accompanying figure (Fig. 8). 



