STRETCHED PEBBLES FROM OCOEE CONGLOMERATE 57 



Soluble silica . . . . ' 3.59 



Insoluble silica 59-57 



Total silica (SiOz) 63.16 



Alumina (AI3O2) 21.04 



Ferric oxide (Fe203J 1.02 



Lime (CaO) none 



Magnesia (MgO) trace 



Potash (K2O) 1444 



Total 100.19 



Fig. 2. — Stretched quartz pebbles, three fourths natural size. Pebble at the 

 extreme left has been pierced by a feldspar pebble. 



The elongated quartz pebbles are always small, rarely weighing 

 more than a few ounces. Their greatest diameter is generally near 

 the center, from which point they gradually taper to a point at both 



