490 



INDEX 



Silver Dam, 348. 

 - ores, 473. 



Sinking of coast-line, 387, 457. 

 Snake rock, 354. 

 Somerset West, 31, 36. 

 Spiegel River, 311, 346 

 Spirifer, 141, 153. 

 Spirophyton, 160-61. 

 Spotted slate, 34. 

 Springs, 158, 416-18. 

 Stormberg series, 211-33. 



volcanics of, 219-27. 



volcanoes of, 227-33. 



Sunday's River beds, 296-301. 



fossils of, 323-26. 



Surface limestones, 401-04. 



silicification of, 385, 403-04. 



Surface quartzites, 378-85. 



fossils in, 381. 

 Sutherland, 347. 

 Swellendam, 311. 

 Syenite, 112. 



Table Mountain, 115, 134. 



series, 115-40, 428-29. 



conditions of deposition, 



135-37, 428-29. 



folding of, 121-28. 



glacial beds of, 133-34. 



lithological characters, 



129-37. 



shale bands of, 132-33. 



vegetation on, 137-40. 



weathering of, 130-31. 



Tachylite, 274. 

 Tteniopteris, 206, 215, 295. 

 Takoon, 73, 80. 

 Talcher boulder beds, 235. 

 Tarka bridge, 418. 

 Tertiary deposits, 371-72. 

 Thecodontosaurus, 217-18, 255. 

 Therocephalians, 250-51, 254. 

 Thinnfeldia, 206, 215. 

 Tillite. See Glacial beds. 

 Tinstone, 31, 479. 

 Titanosuchus, 209, 246. 

 T'Kuip, 65, 70, 113. 

 Tourmaline, 27, 33, 66. 

 Transvaal system, 78-102. 

 Triassic rocks, 242. 

 Trigonia, 300-03, 325, 333, 336. 

 Turbo, 325. 

 Turritella, 326, 337. 



Uitenhage, 291. 

 series, 289-326. 



age of, 322-23. 



basins due to folding, 304, 



309, 313, 315, 449. 

 conditions of deposition, 316- 



21, 448-50. 

 conglomerates in, 290-93, 



308, 311-16, 319. 



fossils of, 295-96, 323-26. 



unconformity below, 291, 



305, 307. 



Uitspanberg, 75, 101. 

 Umsikaba beds, 196. 

 Umzamba beds, 327-39. 



age of, 338. 



conditions of deposition, 



331-32, 450-52. 



fossils of, 335-38. 



Unio, 294, 325. 



Upington, 59, 64. , 



Van Rhyn's Dorp, 23, 35, 48, 52-3. 



Ventersdorp system, 67-78, 423. 



Verloren valley, 51. 



Vlakte Plaats, 315. 



Vlei deposits, 408-10. 



Volcanic beds (Drakensberg), 219- 



27. 



! fissure (Zuurberg), 366-69. 

 ! Volcanoes (Stormberg), 227-33. 

 1 (younger), 344-69. 



Vryburg, 63, 74, 80. 



Waai Kloof, 24. 



Water (underground), 480-83. 

 I Waterfall Bluff, 339, 340. 

 I Watershed, origin of main, 447. 



Wesselton Mine, 353, 357. 



Wilgenhout's Drift beds, 63-4, 422. 



Witsands, 393. 



Witteberg series, 158-65. 



conditions of deposition, 



165, 430-31. 

 - fossils, 159. 



Wit Vlei, 72, 75. 



Witwater, 101. 



Witwatersrand system, 422. 



Wodehouse Kraal, 61, 63. 



Wolframite, 31, 480. 



Wood beds, 294-96, 307, 319. 



fossils of, 295-96. 



