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Sedimentology and Neoichnology of a Mixed-Energy Estuary, Tillamook Bay, Oregon, United States

  • Author / Creator
    Bistran, Rares
  • Studies of modern, marginal marine sedimentary environments are widely used in paleoenvironmental interpretations, due to the high amount of sedimentological and neoichnological insight they can provide. Limited studies have been conducted on the distribution of facies in mixed-energy estuaries, which, when incorporated with observations from tide- and wave-dominated estuaries, can provide a better understanding of the range of controls on sediment and trace distribution within interpreted estuary settings observed in the rock record. This study focuses on the sedimentological and neoichnological facies observed within the inner estuary, middle estuary, and outer estuary settings of the mixed-energy Tillamook Bay Estuary, Oregon. Field research and data collection consists of detailed surface and subsurface observations aided by sediment cores. The sedimentological and neoichnological facies model presented contributes to the knowledge of proximal to distal facies models of estuary settings, ranging from the innermost fluvial-tidal transition zone to the outermost estuary, tidal sand bar-dominated zone.

  • Subjects / Keywords
  • Graduation date
    2014-06
  • Type of Item
    Thesis
  • Degree
    Master of Science
  • DOI
    https://doi.org/10.7939/R3GM81X2X
  • License
    This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for non-commercial purposes. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
  • Language
    English
  • Institution
    University of Alberta
  • Degree level
    Master's
  • Department
    • Department of Earth and Atmospheric Sciences
  • Supervisor / co-supervisor and their department(s)
    • Dr. John-Paul Zonneveld (Earth and Atmospheric Sciences)
    • Dr. Murray K. Gingras (Earth and Atmospheric Sciences)
  • Examining committee members and their departments
    • Dr. Octavian Catuneanu (Earth and Atmospheric Sciences)
    • Dr. George S. Pemberton (Earth and Atmospheric Sciences)