A PRELIMINARY REPORT ON CLAYS OF FLORIDA 231



















 Fic. 48.-Settling vat, Florida China Clay Company, Okahumpka, Lake County.






















 FIG. 49.-Settling vat partially filled, Florida China Clay Company, Okahumpka, Lake County.

 The following analyses of the sedimentary kaolin indicate its chemical properties:
 Chemical Analysis of Washed Clay from Palatlakaha River.1
 Silica (SiO 2) .................................................. 46.11
 Alumina (A1203) ............................................ 39.50
 Ferric Oxide (Fe203) ......................................... 0.35
 M agnesia (M gO ) ............................................. 0.13
 W ater (H 20) ................................................. 13.78
 Sulphur T rioxide ............................................... 0.07

 T otal .................................................... 99.94
 1U. S. Geol. Survey Seventeenth Annual Report. Part III Cont'd, p. 837, 1896.