218 
FLORIDA GEOLOGICAL SURVEY-I5TH ANNUAL REPORT 
iRies, H., Clays of the United States East of the Mississippi River, U. S. Geol. 
Survey Prof. Paper No. 11, p. 82, 1903. 
Fig. 37. —General View of Edgar Plastic Kaolin Company’s Plant, Edgar, 
Putnam County. 
sedimentary kaolin. This location is even west of the area mentioned 
by Sellards. Here the sand and mica content seems to be higher and 
the average size of the quartz pebbles larger than in the peninsula 
deposits. None of this material was washed and no chemical analyses 
are available to determine if it is actually a sedimentary kaolin. 
Ries 1 has pointed out that in the northern extension of the sedi¬ 
mentary kaolin region the quartz pebbles are larger than is the case 
farther south. This would be natural to expect if the original source 
of the material is northward. 
This may also account for the higher sand and mica content of the 
material in Walton County, if it is the same substance. In any case, its 
genesis and occurrence is much the same. 
The deposits of sedimentary kaolin are of irregular outline and 
extent, rarely covering more than thirty acres. These individual de¬ 
posits are often grouped together and separated only by a partition 
ranging from sixty to one hundred feet in width and composed of 
yellow, sandy clay, loose sand or hardpan probably indicating former 
stream-channels now filled with surface-sands and sandy clays. 
