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

机译：混合能量河口的沉积学和新时代学，美国俄勒冈州蒂拉穆克湾。

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摘要

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.
机译：由于现代海洋边缘沉积物可以提供大量的沉积学和新技术方面的见识，因此它们在古环境解释中被广泛使用。关于混合能量河口相分布的研究有限，将其与潮汐和波浪为主的河口的观测结果结合起来，可以更好地理解在解释的河口环境中对沉积物和痕量分布的控制范围在岩石记录中观察到。这项研究的重点是在俄勒冈州的Tillamook湾混合能量河口的内河口，中河口和外河口设置内观察到的沉积学和新时代相。实地研究和数据收集由沉积岩心辅助的详细的地面和地下观测组成。提出的沉积学和新技术相模型有助于了解河口环境的近端至远端相模型，范围从最内河道-潮汐过渡带到最外河口，潮汐沙洲为主的带。

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  • 作者

    Bistran, Rares.;

  • 作者单位

    University of Alberta (Canada).;

  • 授予单位 University of Alberta (Canada).;
  • 学科 Geobiology.
  • 学位 M.S.
  • 年度 2014
  • 页码 386 p.
  • 总页数 386
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 老年病学;
  • 关键词

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