SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 110, NO. 12, PL. 5 



r 



1 



^^>>*. 



V 





/^ 



■••^-- \ 



i 



I. .\ field of liRht plessite consisting of granulated kaniacitc with minute droplikc par- 

 ticles <if taenite aloiiK the grain boundaries (hardly visilile at this niaRnification). Tacnitc 

 is sparse. Iiarely continuous at the ed^c of the field, anrl mostly fully transformed showinR 

 only traces of grayness even with strong etching. (Ine small area of dense gamma-alpha. 

 Picral 4 minutes X 3.i. 



'v^ 





^r^ 



..f 



-'. An irrcgiilar lamella of taenite. gray because of supcrMturalion with rc»i>cct to kama- 

 cite. The irregtilaritics suggest deformation, lull the ab.«cncc of any distinct fractures or 

 planes of displacement suggests that deformation must have taken place while the ma»s 

 still possesse<l considerable plasticity. At left and upi>er right. schreiWrsile Itodies. Picral 

 .til seconds X 65. 



