170 



The Petrography and Genesis of Sediments 



2 ' * VI rf 



A. — Fresh beach 

 sand. East In- 

 dies. Mohr, No. 

 213. 



b 



B. — Deeply weath- 

 ered beach sand. 

 East Indies. Mohr, 

 No. 250. 



C— Typical off- 

 shore sediment, 

 Gulf of Lvon. 

 Thoulet. 



45 26 04 mm. 

 K >i ,■» mm 



D.— Off Rhone 



Delta. Thoulet, 



B40. 



22 u~ 



89 43 26 .0-1 mm 

 1 ", >/, A mm 



E. — Lagoon of Thau. 

 Sudry, No. 123. 



3 89 45 28 04 m „ 

 S 1 >.i '/< A mn 



F. — Same as E but finer. 

 Sudry, No. 25. 



45 20 04 



s\i mm. 



G.— Fine 

 lagoonal sedi- 

 ment. Sudry, 

 No. 49. 



26 04 mm . 



K A mm. 



H.— Same 

 belt as G, 



but in reeds. 



Sudry, No. 2. 













90 

 80 

 70 

 60 



40 

 30 

 20 



". 

































































































fe 









1 





















"G 















| B 















04 mm 











9 4 



J 



! 



■ 



i 'A ' 



ft V.i 





24 70 100 mesh. 1 .5 .21 

 1 % V4 mm 1 14 U 



I. — Delta in lagoon. 

 Sudry, No. 110. 



J. — Dune sand 

 (average). Udden. 



K.— Dune at 



mouth of 



Indus. Oldham. 



L. — Sahara 



sand. 



Thoulet. 



Ji 



2 1 H U ,'. . nu 



M.— Stream allu- 

 vium. Mohr, 

 No. 696. 



