934 GEOLOGY OF OHIO. 
The tables of analysts will be arranged in the following’order 
A. lLimestones. 
B. Iron ores. 
C. Pig irons. 
D. Coals. 
The limestones and ores will also be taken in-geological order. 
A. LIMESTONES. 
A. MAXVILLE LIMESTONE. 
Winona Furnace Drift—white variety. 
Culver and Stotler’s—white variety—Webb Summit. 
Culver and Stotler’s buff variety—Webb Summit. 
Culver and Stotler’s blue variety—Webb Summit. 
Glenford, Perry connty. ) 
SY 2) f= 
a 
MAXVILLE LIMESTONE. ° 
Calcium carbonate .............. 88.71 93.68 
Magnesium carbonate ...---.---.| 54 1.59 
TronesndealuMmin awe en ees 1.18 1.60 
Silicrousiniatteneeeeeeeeeceeeeeee ( . 4, 9.01 3,02 
MOIStUTE San cn Sis Soe Se a yore Sear Pee eeaee a lees ree re TT ne ati tn | eter 40 
Total sae che at elt oe tere yee 99.44 99.69 
Phosphoricvacid @aaseeeesesesesee| Cocceceneal acme ene ieee teeenee emus caters 12 
NoTKR.—No. 4 was refused by the furnaces at the time these samples were selected ; 
while No. 3 was accepted. This preference is not justified by the analyses. 
e 
B. BLUE OR ZOAR 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 Yourg America Furnace 
lands. 
Calcium carbonate.-..........- De said abies wis athe oe ater al ee ae oe 82.47 
Macnesium Garbonaten 20 52 lect tae ean ee cemeys cere core cel ae a arene 1.25 
fron and alumina et Scns ick cee ee RSE Se ee ey San eer TAT 
Silicious matter: s..2s<cecteec ese ce ccue esos stawice lanka nis sisis qaueines Aopen *. ©6646 
Organic TIBELOR. coin ec Ss halo aie ae aon a Loy ee eee 1.66 
TO Gale sco SS Toes we ihe Heerlen an hare ivcraye ale erate eee aes 99.31 
