934 



GEOIiO&Y OS* OHIO. 



The tables of analysts will be arranged in the following order 



A. Limestpnes. 



B. Iron ores. 



C. Pig irons. 



D. Coals. 



The limestones and ores will also be taken in geological order. 



A. LIMESTONES. 

 t 



A. MAXVILLE LIMESTONE. 



1. Winona Furnace Drift — white variety. 



2. Culver and Stotler's — white variety — Webb Summit. 



3. Culver and Stotler's buff variety — Webb Summit. 



4. Culver and Stotler's blue variety — Webb Summit. 

 ' 5. Glenford, Perry county. 



MAXVILI.E LIMESTONE. 



NoTK. — No. 4 was refused by the furnaces at the time these samples were selected ; 

 while No. 3 was accepted. This preference is not juptified by the analyses. 



B. BLUE OR ZOAE LIMESTONE. 



A single analysis of the Zoar Limestone is given here. The specimen 

 came from the vicinity of Jackson Court House, where this stratum has 

 ^ been, and is still extensively used for flux. The sample analyzed repre- 

 sents the better grade of the rock from the Young America Furnace 

 lands. 



Calcium carbonate 82.47 



Magnesium carbonate 1.25 



Iron and alumina 7.47 



Siiicious matter 6.46 



Organic matter ."? 1.66 



Totals 99.31 



