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Sedimentology and Stratigraphy of the Granite Wash: Contact Rapids and Keg River Sandstone (Red Earth Area).

机译:花岗岩水洗的沉积学和地层学:急流和Keg河砂岩(红土区)。

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摘要

The Granite Wash is comprised of diachronous, Cambrian to Devonian sandstone deposits, which include the Devonian Contact Rapids and Keg River sandstones of which this study will focus. Prolific oil production from the Granite Wash has fueled exploration since the 1950s and as a result substantial core and wireline data is available. Mapping of the Precambrian subcrop suggests that palaeo-highs, known as inselbergs, strongly influenced sedimentation transport, volume, rate and ultimately preservation after marine transgression. Several distinct surfaces identified from wireline data and cores indicate an overall marine transgression throughout Keg River time.;The facies observed represent continental, shallow marine and sabkha environments and a climatic shift from arid to semi-arid to arid. This detailed sedimentological and stratigraphic study provided the depositional framework that allowed for palaeogeographic maps to be constructed.
机译:花岗岩洗床由寒武纪到泥盆纪的砂岩沉积物组成,其中包括泥盆纪接触急流和凯格河砂岩,本研究将重点研究这些。自1950年代以来,Granite Wash的高产石油推动了勘探,因此可以获得大量的岩心和电缆数据。前寒武纪次作物的制图表明,古高地(inselbergs)强烈影响了海侵后的沉积运移,体积,速率以及最终的保存。从有线数据和岩心中识别出的几个不同表面表明了整个凯格河时期的整体海侵。所观察到的相代表了大陆,浅海和萨布卡环境以及气候从干旱到半干旱再到干旱的转变。这项详细的沉积学和地层学研究提供了沉积框架,可以构造古地理图。

著录项

  • 作者

    Balshaw, Kevin Ewart.;

  • 作者单位

    University of Alberta (Canada).;

  • 授予单位 University of Alberta (Canada).;
  • 学科 Geophysics.
  • 学位 M.S.
  • 年度 2010
  • 页码 281 p.
  • 总页数 281
  • 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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