ECKEL.] 
GEORGIA. 
337 
of these rocks from above Adairsville to within a mile of Kingston. 
At one point near the southern end of this belt limestone obtained 
from beds lying near the top of the Conasauga formation has long 
been utilized in the manufacture of natural cement at the plant of the 
Howard Hydraulic Cement Company, at Cement, Bartow County, 
Ga., about 2 miles north of Kingston. 
In the low ridge east of the railroad at Cement station, a section of 
these Conasauga limestones has been measured by Dr. J. W. Spencer/' 
The series shown, from the top down, was as follows: 
Section near i 'ement Station, Ga 
Feet. 
Blue limestone 8 
Slaty limestone (cement rock) . 4 
Blue limestone 6 
Argillaceous limestone - - 2 
^Siliceous limestone (hydraulic) 4 
Siliceous limestone (cement rock) 7 
Fine black limestone 12 
Earthy limestone 3 
When the plant was visited by the writer, in the fall of 1902, the 
three beds marked with asterisks were being worked for natural cement, 
md together constitute the "main cement bed 1 ' later mentioned in this 
irticle. Doctor Spencer quotes the following analyses, made by Mr. 
W. J. Land, of the cement rock: 
Analyses of cement rocks from Georgia. 
Lime carbonate (CaC0 3 ) 
Magnesium carbonate (MgCO 
IjLca(Si0 2 ) , 
[ron oxide ( Fe 2 3 ) 
yumina ( A1 2 3 ) 
Organic matter 
Water 
43. 50 
55. 00 
26. 00 
26.10 
22.10 
10.00 
1.80 
2.00 
5.45 
6.10 
.15 
.50 
1.00 
.30 
The mill is located at the side of the railway, the farthest quarry 
being only a few hundred feet away. The main cement bed at the 
[uarry now worked is about 15 feet thick. In common with the other 
)eds it dips eastward at an angle of about 20°. It is overlain and 
mderlain by limestone beds of various composition, but none fit for 
the manufacture of natural cement. A thinner cement bed lay about 8 
eet above the bed now worked, but was worked out by stripping and 
uarrying over a considerable area early in the history of the plant. 
a The Paleozoic group of Georgia, p. 100. 
Bull. 243—05- 
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