Fig. 1. 



Fig. 2. 



Fig. 3. 



Fig. 4. 



$Q A5 Z6 04 "">*. 2 1 



1 i + ^b 7 *^ 1 " 



k %%-q™* 24 10\Q0<rruJi 2 1 

 ' 3 ^f twnu. 



Z 4- 



■X fr. /yrvms. 



Fig. 



Fig. 1. Catahoula sandstone 

 Mohr, No. 213. Fig. 3. Beach sand. Mouth of Indus, C 

 Deeply weathered beach sand, East Indies, Mohr, No. 250 



Fresh beach sand, East Indies, 

 Fig. 4. 



Fig. 5. 



Fig. 6. 



Fig. 7. 



Fig. 8. 



too 



JO 



30 



20 



it 



5 .Zlsnwrv. Z+ 10100'nuJi 



Fig. 5. Dune sand, average, Udden. Fig. 6 

 Fig. 7. Dune at Mouth of Indus, average of two specs 

 Typical off-shore sediment, Gulf of Lyon, Thoulet. 



Fig. 9. Fig. 10. Fig. 11. 



.45 . 26. 04 syrim,. 



Sahara sand, Thoulet. 

 Oldham. Fig. 8. 



Fig. 12. 



.45.26 .OAmm. 

 Fig. 9. 



89.45.2.6 .0+/nvm. 

 1 "% Jf SB nvv ^ 



.S3 .+5 .Z& .04- /mm/. 

 1 ^ ^ ZO \ nuw " 

 Fig. 10. 



Z 1 jr jr ti^- 



OR Rhone Delta, Thoulet, B40. Fig. 10. Lagoon of Thau, 

 Sudry, No. 123. Fig. 11. Small Delta in Lagoon of Thau, Sudry, No. 110. 

 Fig. 12. Stream sediment, Mohr, No. 696. 



Figures in the vertical columns express percentages. 



