dc.contributor.advisor |
Dorsey, Rebecca |
|
dc.contributor.author |
Gardner, Kevin |
|
dc.date.accessioned |
2020-02-27T22:34:08Z |
|
dc.date.available |
2020-02-27T22:34:08Z |
|
dc.date.issued |
2020-02-27 |
|
dc.identifier.uri |
https://scholarsbank.uoregon.edu/xmlui/handle/1794/25251 |
|
dc.description.abstract |
Contrasting hypotheses for the depositional paleoenvironments of the late Miocene to early Pliocene southern Bouse Formation currently hinder progress toward a consensus on tectonic and paleogeographic reconstructions for the lower Colorado River region. The basal carbonate member of the southern Bouse Formation has been interpreted to record deposition in either (i) a large inland lake isolated from the ocean, or (ii) a transgressive intertidal to subtidal marine seaway. In this study, we analyze sedimentary lithofacies, facies associations, paleocurrents, and architecture of large-scale compound bedforms to develop a comprehensive depositional model. Our paleocurrent data and analyses of bedform architecture and facies association support a tidal origin for the southern Bouse Formation. Our paleogeographic reconstruction constrains the location of marine connection required by paleontological and sedimentary data. Our interpretation provides strong evidence in favor of a tidal origin and requires post-Miocene regional uplift. |
en_US |
dc.language.iso |
en_US |
|
dc.publisher |
University of Oregon |
|
dc.rights |
All Rights Reserved. |
|
dc.subject |
Carbonates |
en_US |
dc.subject |
Compound Bedforms |
en_US |
dc.subject |
Sedimentology |
en_US |
dc.subject |
Stratigraphy |
en_US |
dc.subject |
Tidal |
en_US |
dc.title |
Stratigraphy, Sedimentology, and Tidal Processes of the Late Miocene to Early Pliocene Southern Bouse Formation, Southeast Palo Verde Mountains, California |
|
dc.type |
Electronic Thesis or Dissertation |
|
thesis.degree.name |
M.S. |
|
thesis.degree.level |
masters |
|
thesis.degree.discipline |
Department of Geological Sciences |
|
thesis.degree.grantor |
University of Oregon |
|