3.10-1 

 (+10%) 



2.82- 

 (Mean) 



2.54- 

 (-10%) 



Cu pg/g, Wet 



Vv^ 



V 



3.47-1 

 (+10%,) 



3.15- 

 (Mean) 



2.84 H 

 (-10%) 



nil"" llllllllllllllllllllllllllllllll..l..llMlllllllll 



60 70 200 300 400 410 470 



Mn >jg/g, Wet 



"AAAAA/VvvvA 



mill 11.1111111111111111111111111111111111 1 III 



60 



70 



200 300 400 410 470 



19.0- 

 (+10%) 



17.3- 

 (Mean) 



15.6- 

 (-10%) 



Zn >ig/g, Wet 



-Ar\\ v\ 



linll-"""""lllllllllllllllllllllllllllll lll ,... .....1111111 



60 



70 



200 300 400 410 470 



REFERENCE SAMPLE NUMBER 



Figure 1-1. Trace element distributions 

 in reference material. 



