 ... the physical changes attending the close of the Oligocene were at first slow, allowing a certain element of transition to appear in the Oak Grove or uppermost Oligocene fauna. At the last they appear to have been sudden, at least the change in the...  Geological Magazine - Page 137edited by - 1904Full view - About this book
 | Floods - 1913 - 548 pages
...to have been sudden, at least the change in the fauna on the Gulf coast was absolute and complete. The change was not only in the species and prevalent...indicates a warm or subtropical temperature of water, and the sediments uniformly show, from the Jacksonian upward, a yellowish tinge due to oxidationIn... | |
 | Science - 1910 - 300 pages
...to have been sudden, at least the change in the fauna on the Gulf coast was absolute and complete. The change was not only in the species and prevalent...indicates a warm or subtropical temperature of water, and the sediments uniformly show, from the Jacksonian upward, a yellowish tinge due to oxidation. In... | |
 | William Austin Cannon - Science - 1911 - 880 pages
...to have been sudden, at least the change in the fauna on the Gulf coast was absolute and complete. The change was not only in the species and prevalent...indicates a warm or subtropical temperature of water, and the sediments uniformly show, from the Jacksonian upward, a yellowish tinge due to oxidation. In... | |
 | Geological Survey (U.S.) - Irrigation - 1913 - 818 pages
...to have been sudden, at least the change in the fauna on the Gulf coast was absolute and complete. The change was not only in the species and prevalent...indicates a warm or subtropical temperature of water, and the sediments uniformly show, from the Jacksonian upward, a yellowish tinge due to oxidation. In... | |
 | Carnegie Institution of Washington. Tortugas Laboratory - Biology - 1910 - 298 pages
...to have been sudden, at least the change in the fauna on the Gulf coast was absolute and complete. The change was not only in the species and prevalent...indicates a warm or subtropical temperature of water, and the sediments uniformly show, from the Jacksoman upward, a yellowish tinge due to oxidation. In... | |
 | United States - 1913 - 558 pages
...on the Gulf coast was absolute and complete. The change was not only in the species and pre valen t genera of the fauna, but a change from a subtropical...indicates a warm or subtropical temperature of water, and the sediments uniformly show, from the Jacksonian upward, a yellowish tinge due to oxidation. In... | |
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