212 CLAYS OF ALABAMA. 



Page- 

 Garnet in clays , 14 



Gassett, M. E. Marion Co., clays of. 106- 



General discussion of clays S 



Geological relations of clays ; 69 



Geological structure and distribution of clays 6 



Geological Survey of U. S., quoted 58 



Germany clays 54 



" kaolin 55, 56 



GUley's branch, Franklin Co., clays of. 108 



Girard, RusseUCo., clays near 87, 88 



Glazing clay 162 



Glass-pot clay 97, 154 



Glen Allen, Marion Co., clays near 101, 104, 105, 197 



Granite veins in Alabama 70 



" " .claysfrom 6- 



Graphic granites (pegmatites) 70 



Graves, W. H., Birmingnam, shales of. 80, 184r 



Green's, J. B., Lamar Co., clay 173 



" " '■ " pottery 98 



Greenwood Spring, Miss., clays near lOO 



Griffin's, H. H., Dekalb Co., clay ' 123 



Grog 27, 132, 133, 158 



Guin, Marion Co., clay near 101, 104. 105- 



Gypsum 18, 42 



in days 16, 18, 4^ 



Halloysite 61 



Hamilton, Marion Co., clays near 106, 179- 



Hickory tree limonite bank, Cherokee Co., clay in 76 



Hilgard, Dr. Eugene W., quoted 83 



Hopkins, T. C, quoted ■. 156 



Hornblende in clays 14, 19 



"Horses," clay 74, 75, 76 



Hotop, E., quoted 64 



Hughes, J. R., Gadsden, clay of 119 



Hull's Station. Tuscaloosa Co., clay near.... -. 94, 133, 152 



Hungarian porcelain, lime in 18; 



Hydraulic mining of kaolin • 62 



Hygroscopic water (moisture) in clays 22 



Igneous rocks in Alabama 70' 



Impervious clays 30 



Impurities in kaolin 9- 



Incipient fusion of clays 29 



Insoluble alkaline compounds in clays 12 



Insoluble residue determination in clays '. 48 



Iron in clays 12, 13, 14, 43, 47, 51, 115, 116, 159 



Iron in beds with clays, purifiication of 74 



Jacksonville, Calhoun Co., kaolin from 74 



Jefferson County clays 192, 19S 



" ' shale for brick and cement manufacture 184,186,202; 



John's Mill, Tuscaloosa Co., clay at 9S 



