The Scientific Monthly Volume 2

The Scientific Monthly 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. 1916 edition. Excerpt: ...of the Challenger Report, while rain and streams are furrowing its slopes: the wave-cut platform will be backed by a steep cliff, notched at the top by hanging valleys, as in sectors II or J, Fig. 7. If a veneering reef is now established on the platform edge, as at II' or J', the retreat of the cliff, as a cliff, will soon cease, and the hanging valleys will be cut clown to sea-level; deltas will grow in front of the valleys, and a talus will gather in the quiet water at the cliff base, which was clean swept by breaking waves Iwfore. If the veneering reef is not so soon established, the platform will be cut back to a greater width and the cliff to a greater height; this stage is verified by Tristan d'Acunha, another solitary volcanic island in the South Atlantic, also figured in the Challenger narrative; on such bed iff I'd islands, cascades from hanging valleys have been desciibed, which give warrant for the hanging valley as a deduced featuie of sector J, Fig.!). An undefended island may be almost consumed, as in sector A, when onlv small stacks will remain; or it may be com Kio. 7. DiAiiitAM (if KrtvKssivK Stauks Of Ukkf Formation, as deduced from the theory of veneering reefs on wave-cnt platforms: sector O, type of nctunl barrier reef and its emhayed central Island. p'etely truncated before a reef is established, and then the reef will form an atoll. I'nuurcefmfn Cuniteyitencex of the Veneering Theory.--Are the consequences of this theorv, here graphically presented, confirmed when they are confronted with the facts of actual coral reefs and their associated islands? No, decidedly not. As before, the central islands of barrier reefs are again the most important independent witnesses put forth by the facts. Such islands are not cliffed...show more

Product details

  • Paperback | 246 pages
  • 189 x 246 x 13mm | 445g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236623762
  • 9781236623768