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A Flood-Tidal Delta Complex, The Holocene/Pleistocene Boundary, and Seismic Stratigraphy in the Quaternary Section off the Southern Assateague Island Coast, Virginia, USA

Maike, Christopher A
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1408097363

Abstract Details

2014, Master of Science, University of Toledo, College of Natural Sciences and Mathematics.
The Atlantic inner-shelf off the coast of Assateague Island preserves a complex stratigraphy in the Quaternary Section. Holocene highstands have been transgressing the island, yielding the current state. Seismic Reflection data off the Assateague Island coast reveal flood-tidal delta facies, tidal inlet channels, tidal creeks, and Holocene sand sheets. These facies indicate a former back-barrier environment off the Assateague Island coast, revealing a former offshore position of Assateague Island. The defining characteristic of the back-barrier environment is a flood-tidal delta complex approximately 4.5 km by 3.5 km. An isopach map of the flood-tidal delta reveals a ramp and facies thinning away from the ramp. Two main reflections are interpreted to be shoreface ravinements in the study area, which are time-transgressive subaqueous erosional surfaces produced during the landward movement of the transgressive systems tract. A third reflection is interpreted to be the pre-transgressive surface, marking the Holocene/Pleistocene Boundary. The depth of the pre-transgressive surface was interpreted throughout the entire study area. It resulted in a clean surface with a channel-like depression near seismic line 18. This depression is interpreted as being part of a lowstand drainage system.
David Krantz (Advisor)
Richard Becker (Committee Member)
Alison Spongberg (Committee Member)
71 p.
Geology; Geophysics
geology coastal stratigraphy maryland assateague holocene pleistocene

Recommended Citations

Citations

  • Maike, C. A. (2014). A Flood-Tidal Delta Complex, The Holocene/Pleistocene Boundary, and Seismic Stratigraphy in the Quaternary Section off the Southern Assateague Island Coast, Virginia, USA [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1408097363

    APA Style (7th edition)

  • Maike, Christopher. A Flood-Tidal Delta Complex, The Holocene/Pleistocene Boundary, and Seismic Stratigraphy in the Quaternary Section off the Southern Assateague Island Coast, Virginia, USA. 2014. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1408097363.

    MLA Style (8th edition)

  • Maike, Christopher. "A Flood-Tidal Delta Complex, The Holocene/Pleistocene Boundary, and Seismic Stratigraphy in the Quaternary Section off the Southern Assateague Island Coast, Virginia, USA." Master's thesis, University of Toledo, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1408097363

    Chicago Manual of Style (17th edition)

toledo1408097363
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This open access ETD is published by University of Toledo and OhioLINK.