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Interaction of the Galapagos plume with the southern Central American volcanic front

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TypeOfResource
Text
TitleInfo (ID = T-1)
Title
Interaction of the Galapagos plume with the southern Central American volcanic front
SubTitle
PartName
PartNumber
NonSort
Identifier (displayLabel = ); (invalid = )
ETD_1947
Identifier (type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000051822
Language (objectPart = )
LanguageTerm (authority = ISO639-2); (type = code)
eng
Genre (authority = marcgt)
theses
Subject (ID = SBJ-1); (authority = RUETD)
Topic
Geological Sciences
Subject (ID = SBJ-2); (authority = ETD-LCSH)
Topic
Volcanoes--Galapagos Islands
Subject (ID = SBJ-3); (authority = ETD-LCSH)
Topic
Geology--Galapagos Islands
Abstract
Form the accretion of Galapagos-related oceanic complexes to the recent recycling of Galapagos tracks and the possible influx of Galapagos-modified mantle, the volcanic front of southern Central America is an ideal natural laboratory to study the effects of different interactions between a convergent margin and a mantle plume. I produced a detailed characterization of the different accreted oceanic complexes in southern Central America. This characterization was then incorporated in a regional that allowed me to reconstruct the evolution of the Galapagos Plume since its initial peak in the Cretaceous and through different types of interaction between the plume and the arc in southern Central America. I also contributed to the first quantitative comparison between modern ocean-island basalt (OIB) and large igneous provinces (LIPS) that show petrological evidence that the mantle sources of LIPS were hotter and more magmatically productive than modern-day OIB. Here I also present the geochemical evolution of the volcanic arc in Costa Rica since the Oligocene, where I discover that the volcanic front lavas were “normal arc lavas” until c. 6 Ma, where the Galapagos-OIB signature is first evident in the arc. I interpreted the appearance of the OIB signature as the result of the recent (10-8 Ma) recycling of the subducting Galapagos Hotspot Tracks. Interaction between partial melts of the Galapagos Tracks (Seamount Province and Cocos/Coiba Ridge) produced a metasomatic enrichment (re-fertilization) of the mantle in the wedge and the lithospere. I also present new petrologic and geochemical evidence that the Galapagos-modified asthenosphere may actually flow into the mantle wedge below southern Costa Rica and Panama, producing a broad thermal anomaly that triggered melting in the mantle wedge and in the previously re-fertilized lithosphere. From the accretion of exotic terranes to the recent recycling of the Galapagos hotspot tracks through the subduction system and the possible influx of Galapagos-modified asthenosphere, the geologic history of the convergent margin in Southern Central America has been characterized by long term interaction with the Galapagos Plume.
PhysicalDescription
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electronic resource
Extent
xvii, 277 p. : ill.
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application/pdf
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Note (type = degree)
Ph.D.
Note (type = bibliography)
Includes bibliographical references
Note (type = statement of responsibility)
by Esteban Gazel Dondi
Name (ID = NAME-1); (type = personal)
NamePart (type = family)
Gazel Dondi
NamePart (type = given)
Esteban
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1982-
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author
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Esteban Gazel Dondi
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Carr
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Michael
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chair
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Advisory Committee
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Michael Carr
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NamePart (type = family)
Herzberg
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Claude
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internal member
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Advisory Committee
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Claude Herzberg
Name (ID = NAME-4); (type = personal)
NamePart (type = family)
Feigenson
NamePart (type = given)
Mark
Role
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internal member
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Advisory Committee
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Mark Feigenson
Name (ID = NAME-5); (type = personal)
NamePart (type = family)
Hoernle
NamePart (type = given)
Kaj
Role
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outside member
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Advisory Committee
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Kaj Hoernle
Name (ID = NAME-1); (type = corporate)
NamePart
Rutgers University
Role
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degree grantor
Name (ID = NAME-2); (type = corporate)
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Graduate School - New Brunswick
Role
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school
OriginInfo
DateCreated (point = ); (qualifier = exact)
2009
DateOther (qualifier = exact); (type = degree)
2009-10
Place
PlaceTerm (type = code)
xx
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier (type = RULIB)
ETD
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TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier (type = local)
rucore19991600001
Location
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NjNbRU
Identifier (type = doi)
doi:10.7282/T3QV3MPS
Genre (authority = ExL-Esploro)
ETD doctoral
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Rights

RightsDeclaration (AUTHORITY = GS); (ID = rulibRdec0006)
The author owns the copyright to this work
Copyright
Status
Copyright protected
Notice
Note
Availability
Status
Open
Reason
Permission or license
Note
RightsHolder (ID = PRH-1); (type = personal)
Name
FamilyName
Gazel Dondi
GivenName
Esteban
Role
Copyright holder
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Permission or license
Label
Place
DateTime
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Copyright holder
Name
Esteban Gazel Dondi
Affiliation
Rutgers University. Graduate School - New Brunswick
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License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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ETD
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application/pdf
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application/x-tar
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