The Soils of the Auriferous Districts. 



219 



Alluvinl, ^Eolian and Carbonaceous Soils. — Drift-soils. — The 

 following table gives the mean compositions of some fluviatile alluvial 

 soils, of some of the iBolian soils of the sand dunes, and of some of 

 the pegass or peaty soils : — 



ALLUVIAL,' .EOLIAN AND CARBOXACKOUS SOILS. 



COMPOSITIOXS OF THE FINE DRY SOILS. 



The fluviatile alluvial soils are fre([uentl_y very fertile, and are 

 usually vei-}^ well suited in texture for agricultural purposes. Their 

 positions in the lower flats of small sti'eams are against their heing 



