398 



INDEX. 



Eubank's, section at Mr., 206. 

 Euomphalus rugosus, 148. 

 Everhart, Dr. Edgar, 260. 

 Exogyra arietina clays, 128. 



ponderosa marls, 114. 



sinuata, 128. 



texana, 121, 122, 123, 127, 128, 146, 154. 



F. 



Eahlerz, 335. 



Fairland Postoffice, 298, 315. 



Falls, 174. 



Creek, 158, 174. 

 Fannin County, 111. 

 Fassaite, 259, 383. 

 Faulting, Fayette beds, 52, 

 Fault, Mount Bonnell, 121, 125, 134, 135, 



145. 

 Faults, 52, 118, 125, 134, 135, 145, 254, 303. 

 Fauna, 140, 189. 

 Favosites, 302, 311. 

 Fayette beds, xxxiii, 47. 



faulting, 48, 52. 



fauna and flora, 50. 



minerals, 48. 



position, etc., 47. 



resemblances of, 50. 



sand beds, 48. 

 Fayette County, xxxiii. 

 Feldspar, 225. 

 Fergusonite, 259, 383. 

 Fernandan blue marbles, 370. 

 Fernandan system, lvi, 266, 267, 268, 269, 

 270, 272, 273, 274, 275, 276, 277, 278, 

 280, 282. 

 Ferro-Calcite, 383. 

 Ferruginous springs, 98. 

 Ferry, Mosely, 27. 

 Hardin, 42. 

 San Antonio, 27. 

 Fertilizers, 91, ^8, 193, 378. 

 Fibrolite, 250, !, 384. 

 Filleo furnace, US. 

 Finks, J. H., 161. 



coal mine, 153, 160, 208, 214. 

 section at, 153, 209. 

 Finlay, li, 221. 



Fire clay, xli, 89, 153, 159, 209, 210. 

 Fiskville, 112. 

 Fissile granites, 369. 

 Flagstones, 127. 

 Fleming, 356, 357. 

 Fleming Springs, 165, 175, 176. 

 Flint, 124, 125, 225, 384. 

 Flora, 140, 189. 

 Florence, 126. 

 Fluorite, 259, 384. 

 Fluxes, 91. 



Fly Gap, 285, 332, 345, 346. 

 Folds, 145. 

 Foley County, xxv. 

 Foraminifera, 291. 



Formation of benches, three modes of, 85. 

 Formation, Permian, 183. 

 Forshey, G-. C, 241. 

 Fort Concho, 180, 181. 



Fort Davis, 227, 229, 233. 



Hancock, 232. 



Sill, 321, 322, 324. 

 series, 322. 



Worth, 106, 107, 116, 119, 128, 171. 

 limestone, 128. 

 prairie, 116. 

 Foster, L. L., xxvi, lxxiv. 



Letter of Transmittal, iii. 

 Fox Mountain, 284, 285. 

 Franklinite, 225. 

 Franklin Mountains, lvii, lxii, lxiii, lxv, 223, 



232. 

 Fredericksburg, 120. 



division, li, 120. 

 Fredonia, 287. 

 Freestone County, 11, 101. 

 Friable granite, 367. 

 Fuel, 230. 

 Furnace, Filleo, 68. 



history of, 65. 



Kelly, 65. 



Nash, 65. 



Sulphur Forks, 65. 

 Future Central Texas iron industry, 360. 



G. 



G-adolinite, 251, 259, 262, 384. 

 Galena, 333, 334, 340, 341, 342, 384. 

 Galenite, 225. 

 Galveston, xxxiii, 64, 56. 



bar, xxxv. 

 Gamma grass, 235. 

 Garnet, 221, 362, 384. 

 Gas, natural, xl, 160, 216. 

 Gate of Lamentations, 229. 

 General section, Archaean Group, 272. 

 General Rusk, 100. 

 Gent Mountain, 68, 69. 



section, 69. 

 Genth, Dr., 251. 

 Geodes, 76. 

 Geode iron ores, 76. 



character, 76. 

 origin, 79, 80, 81. . 

 thickness, 76. 



topography of region, 77, 78. 

 Geography, Penrose Report, 7. 

 Geological Survey of Texas, 243, 244, 245, 



246, 247, 248. 

 Geologists, lxxiv. 



Geology, Central Mineral Region, xxvi, 239. 

 Cretaceous area, xxvii. 

 East Texas, xxvi. 

 North Texas, xxv. 

 Trans-Pecos Texas, xxv, 219. 

 German Emigration Society survey, 339. 

 Gibbsite, 384. 

 Gibson, J. W., 152. 



shaft, 152, 153, 159. 

 Giersewald, K., lxxiv, lxxx. 

 Gillespie County, xviii, xxvii, 239, 248, 309, 

 314, 316, 318, 331, 332, 334, 345, 361, 

 362, 363, 365, 368, 370, 375. 

 magnetites, lx, 352. 

 Glad water, 35. 





