102 E. T. Allen — Native Iron in Missouri. 



The silica obtained was all in the form of minute crystalline 

 grains, and since the iron was found imbedded in sandstone it 

 appeared not unlikely that the grains were originally present 

 as such in the metal. A microscopic examination of the 

 interior of several pieces threw no light on this point. 



Caebon — 

 This was determined by dissolving the iron in potassium 

 cupric chloride and collecting the carbon dioxide formed by 

 burning the residue. 



1. Metal taken _ 1-4036 gr. 



C0 2 obtained -0038 gr. 



C *07 per cent 



2. Metal taken.. • 2*4820 



C0 2 obtained -0055 



C . . '06 per cent 



Phosphokus. 



Metal taken 3-1603 



Mg 2 P 2 7 -0237 gr. 



P _ -207 per cent 



Complete Analysis. 



Fe 99-16 



Si0 2 -37 



C -065 



P _ -207 



99'802 



II. Natural Iron from Weaubleau, Hickory Co., Mo. 



This iron was received from the firm of Butler & Whitaker 

 of Weaubleau, who discovered it while digging for coal about 

 five miles from that place. They drilled through twenty- 

 seven feet of interstratified sandstone and clay, when they 

 reached a thin seam (two or three inches in thickness) of poor 

 lignite. Eight feet deeper, at a total depth of thirty-five feet, 

 they struck a stratum of gray clay in which were a few pieces 

 of metallic iron. Considerable coal seemed to exist in the 

 vicinity, as they found it eighteen inches thick at the same 

 depth, not far from this spot. 



The clay contained 79*32 per cent silica and 1*67 per cent 

 iron. When the iron was first taken from the earth, it was 

 dark with tarnish though not apparently rusted. Only a few 

 pieces were obtained. We received but two, which after filing 

 away the outer portions weighed respectively 3 grms. and 3*9 

 grms. Both physically and chemically the iron strongly 

 resembled the Cameron specimens. The layered structure was 

 not however so marked and the percentage of metallic iron was 



