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Sedimentology, Ichnology and Stratigraphy of the Clearwater Formation, Cold Lake, Alberta Open Access

Descriptions

Other title
Subject/Keyword
tide-dominated
oil sands
deltas
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Currie, Carolyn Frances
Supervisor and department
Gingras, Murray (Earth and Atmospheric Sciences)
Pemberton, George (Earth and Atmospheric Sciences)
Examining committee member and department
Ranger, Mike (Earth and Atmospheric Sciences)
Zonneveld, JP (Earth and Atmospheric Sciences)
Dumberry, Mathieu (Physics)
Department
Department of Earth and Atmospheric Sciences
Specialization

Date accepted
2011-09-28T19:19:14Z
Graduation date
2011-11
Degree
Master of Science
Degree level
Master's
Abstract
The Lower Cretaceous Clearwater Formation in east-central Alberta contains the second largest oil sands deposit in Canada. In the Cold Lake area, 43 cored intervals were examined and classified based on physical and biogenic sedimentary structures. Core analysis and stratigraphic mapping determined that the Clearwater Formation consists predominantely of stacked tidally-dominated strata that prograde to the north into the Boreal Seaway. The trace fossil assemblages observed show evidence of somewhat stressed conditions, indicated by the more restricted and diminished ichnofauna. However, higher ichnodiversity, larger trace sizes and the predominance of more fully marine forms support sediment deposition in a deltaic system. The stratigraphic framework of the Clearwater Formation was redefined using allostratigraphy. Five allomembers were identified reflecting a series of transgressive-regressive cycles of relative sea-level rise and fall, retrogradation of the shoreline and progradation of tide-dominated deltaic sediments in the study area.
Language
English
Rights
License granted by Carolyn Currie (curriecf@gmail.com) on 2011-09-27T18:13:04Z (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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