CHROMIUM 



113 



Figure 13. — World production and U.S. consumption and production of chromite ore and relation of price to domestic produc- 

 tion from 1900 to 1970. Data from U.S. Geological Survey and from U.S. Bureau of Mines (1942-70). 



STRATIFORM DEPOSITS 



The stratiform deposits form layers in the lower 

 parts of stratified igneous complexes of the Bush- 



veld or Stillwater type; they are characterized by 

 great lateral extent and uniformity and by consistent 

 positions within the host complexes. They contain 



