SECT. 3] 



SHALLOW-WATER CARBONATE SEDIMENTS 



78°30' 78°00' 



579 



TT-ao' 



24°30' 



Z^'OO' 



- 26«00' 



25°30' 



25°0O 



Za'BO' 



24°00' 



zsoso'- 



TS-OO' 



re'so' 



78°00' 



77°30' 



Fig. 14. Non-skeletal grains > ^ mm in percentage of total sediment. (Data supplied by 

 Edward Purdy.) 



also mapped the percentage distribution of non-skeletal grains in the sediments 

 of the Gulf of Batabano off the south coast of Cuba. Their results show the edge 

 of what is probably a large area of non-skeletal sands (Fig. 8). 



Both of these areas, Great Bahama Bank and the southeastern part of the 



20— s. Ill 



