MISCELLANEOUS 



COLLECTIONS 





^iv# -^ >. 





i^vSi&^'^iiSi'.^^ 



Lncoiifuimaljlc cuiitacl on line (.la) bttvveen Archeaii (( = \ islinu sencsj ana "o"; "j' , The i' 

 removed latter to left over Archean before deposition of the Cambrian (T— I apeats sanasi 

 the Algonkian (rji = Unkar) series elsewhere on plate; more fully shown in plate 43- j,.,,;]. I 



Locality: North side of Grand Canyon of Colorado River, Arizona, opposite (.rami M' 

 Archean at A. (American Tour. Sci.. ^d'ser., \'ol. 26, 1883, p. 4.3S. third paragraph.) 



lu'* _ '■ambrian is 1.1^!,!!°" ,"^^, •^''cliean. Erosion cut across the entire Algonkian (r;i = L'nkar) series and 

 "-- ciween Archean (r^X'ishnu) series on the left side of plate on line (Arc), and between 



<^ott during winter of 1881-1882 came down over Tonto terrace and .Mgonkian cliffs to the 



' ""ade by vv 



