The University Geological Survey of Kansas Volume 2

The University Geological Survey of Kansas Volume 2

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 edition. Excerpt: ...alternating with yellowish arenaceous shales that contain a Lamellibranch fauna composed mostly of small species. There is also a thin stratum containing an abundance of Gastropods. On the surface in the upper part of the western side of the hill are great numbers of excellent specimens of Gryphaea Pitcheri Mort. as figured by Marcou on pi. IV, figs. 5 a, b, and 6--G. forniculata White, of his Geology of North America. Around the escarpment of the hill are numerous large blocks of the shaly pinkish limestone of the upper Kiowa shales, which at this locality is thicker and more massive than is generally the case. Many of these rocks were drawn to Avilla and used for foundations when the town was built and large blocks may now be seen about the hamlet. It is thought the quartzitic character of the sandstone just described, and especially the presence in it of fossils will serve to show that at this locality there is a most interesting exposure of the Cheyenne. Above it is the typical series of the Kiowa shales the lower part of which consists of black shales containing but few fossils, followed by the coarser yellowish to pinkish shales and shaly limestones containing abundant fossils. The thickness of the Kiowa is 136 feet, being nearly as great as that in any of the sections studied in southern Kansas. As far as the writer is aware, the only previous references to the occurrence of the Comanche series on this hill are brief statements by Professors St. John and Cragin. In St. John's notes on the Geoolgy of Southwestern Kansas are apparently three references to the Cretaceous of this locality, though they are very meagre. In one place it is simply stated that "In the high lands east of the Cimarron, in the southwest portion of more

Product details

  • Paperback | 106 pages
  • 189 x 246 x 6mm | 204g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236615867
  • 9781236615862