86 



Field Columbian Museum — Geology, Vol. III. 



4. FINE OCTAHEDRITES. 



Width of lamelliTe 0.4-0.2 mm. The nickel-cobalt content ranges 

 between 8 and 10^ per cent. The fields are usuallj' equal in amount 

 to the lamellae and contain minute shining flakes, probably of taenite. 



a. Prambanj" 



iOlf 



Name. 



Augustinowka . . 

 Bella Roca 



Bethany (Siikerop) 



(Lion River) 



Boogaldi . . . 

 Bridgewater 

 Buckeberg . . 



Cambria 



Charlotte . . . 

 Chupaderos . 



Cuernavaca , 



Grand Rapids. 

 It 



Hassi Jekna. . . 

 Jamestown . . . . 



Fe. 



Ni. 



91. ql 



91.48 



89.68 



91.07 



92.29 



90.96 



91-37 



93-30 



92.06 



91.13 



88.90 



90.95 



92.45 



94.88 



92.58 



89.06 



91.15 



90.23 



88.78 



88.98 



89.70 



94-54 

 88.71 



91-32 

 90.24 



7.70 

 7.92 

 9-78 

 8.18 



8.19 



7-97 

 6.70 



7-79 

 8.05 



9-94 

 8.01 



7-55 

 5.69 



5-71 

 10.65 



8.01 



8.76 



9.80 

 10.30 



8.76 



Co. 



10.69 

 5.88 

 9-75 



Cu. 



.08 



-72 



I. 21 



.81 



I. 19 

 .40 



.81 



.02 

 -03 



.04 



.02 



-03 

 .28 



■35 



Cr. 



tr. 



.02 



.04 



.21 



-31 



.06 

 .06 

 .18 



-03 



tr. 

 .05 



.21 

 -05 

 .04 



tr. 

 .02 

 tr. 

 . 10 



tr. 



.04 



.06 



.05 



.07 



tr. 



tr. 



tr. 



.64 

 . 12 



tr. 

 ■ 13 



.26 



.05 



C. 



.06 



.02 

 .05 



-17 



-13 



.03 

 tr. 



.06 



CI. 



In- 

 sol. 



.04 



1 .40 



Miscellaneou 



Cu.C.Cr. (l.S. r 



K...0 tr. Sn. 



As. tr. 



1 .04 



Mg 



Graph. . 



