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Temporal variations in volume and geochemistry of volcanism in the Western Cascades, Oregon

Creator:: Verplanck, Emily Pierce
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGEMENTS I would like to thank Bob Duncan, my advisor, for his guidance and inspiration. His door was

A petrogenetic model for the Caribbean large igneous province

Creator:: Krawl, Kyle A.
Abstract:: The Caribbean Plateau is an oceanic large igneous province (CLIP). A widely accepted model for LIP petrogenesis proposes that these large bodies of igneous rock are formed by decompression melting associated with upwelling mantle plume heads during the initiation of hotspot activity. According to this classical model, petrogenesis occurs over...
Resource Type:: Masters Thesis
Full Text:: : _________________________________________________________ Robert A. Duncan Adam J. R. Kent The Caribbean

Using An Array of NE Pacific Margin Sediment Samples to Link Land and Ocean Responses to Glacial-Interglacial Climate Variability

Creator:: Wilson, Kiya L.
Abstract:: Variability in the terrigenous (land-derived) fraction of marine sediments, including pollen and rock fragments, reflects the effects of regional climate change on continentally derived runoff, ice extent, vegetation and ocean circulation. The transport of this continental material to the seafloor must be understood in order to interpret the terrigenous sediment...
Resource Type:: Honors College Thesis
Full Text:: . Duncan Variability in the terrigenous (land-derived) fraction of marine sediments, including

A tale of two large igneous provinces : geochronological and geochemical studies of the North Atlantic Volcanic Province and the Caribbean oceanic plateau

Creator:: Sinton, Christopher W.
Resource Type:: Dissertation
Full Text:: the Caribbean Oceanic Plateau Abstract approved: Robert A. Duncan A significant portion of lavas

Submarine plateau volcanism and Cretaceous Ocean Anoxic Event 1a : geochemical evidence from Aptian sedimentary sections

Creator:: Walczak, Paul S.
Abstract:: Marine sediments exceptionally rich in organic carbon, known as black shales, occur globally but intermittently in well correlated Cretaceous successions. The presence of black shales indicates that sporadic, ocean-wide interruption of normal respiration of marine organic matter during oxygen-deficient conditions has occurred. Submarine volcanism on a massive scale, related to...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Robert A. Duncan Marine sediments exceptionally rich in organic carbon, known as

Geochronology and geochemistry of low temperature hydrothermal alteration in oceanic crust : an investigation of celadonite in the Troodos ophiolite, Cyprus

Creator:: Gallahan, William E.
Resource Type:: Dissertation
Full Text:: the Troodos Ophiolite. Cyprus. Abstract approved; Robert A. Duncan Celadonite, a low-temperature

Age progressive volcanism in the Comores Archipelago and northern Madagascar

Creator:: Emerick, Christina M.
Resource Type:: Dissertation
Full Text:: VOLCANISM IN ThE COMORES ARCHIPELAGO AND NORTHERN MADAGASCAR ABS TRACT APPROVED: 41 f R 'i.-J / £A.. CM

Hydrothermal links between ocean plateau formation and global anoxia at the Cenomanian-Turonian boundary

Creator:: Snow, Laura J.
Abstract:: The Cretaceous was a period of extreme climatic conditions accompanied by major perturbations in ocean-atmosphere biogeochemical cycles. One of the most intriguing features is the sporadic interruption of normal marine pelagic sediment deposition by organic rich sediments deposited during oxygen-deficient conditions (ocean anoxic events OAEs). A current model for the...
Resource Type:: Masters Thesis
Full Text:: . Duncan The Cretaceous was a period of extreme climatic conditions accompanied by major perturbations in

A Geochemical Model for the Petrogenesis of the Curaçao Lava Formation: Implications for the Origin of the Caribbean Plateau

Creator:: Krawl, Kyle A.
Abstract:: The Curaçao Lava Formation (CLF) records the magmatic and tectonic processes that formed the Caribbean Large Igneous Province (CLIP). A model of the petrogenesis of the CLF was developed using new geochemical and geochronological data. These data include major element compositions obtained using X-ray fluorescence spectroscopy (XRF), trace element concentrations...
Resource Type:: Honors College Thesis
Full Text:: Fifty-six samples collected from the CLF by R. A. Duncan and M. Loewen form the basis of this research

Rhyolitic magmatism of the High Lava Plains and adjacent Northwest Basin and Range, Oregon : implications for the evolution of continental crust

Creator:: Ford, Mark T.
Abstract:: Understanding continental crust formation and modification is a fundamental and longstanding geologic problem. Influx of mantle-derived basaltic magma and partial melting of the crust are two ways to drive crustal differentiation. This process results in a low density upper crust and denser, more refractory lower crust, creating significant and vastly...
Resource Type:: Dissertation

ScholarsArchive@OSU

Temporal variations in volume and geochemistry of volcanism in the Western Cascades, Oregon

A petrogenetic model for the Caribbean large igneous province

Using An Array of NE Pacific Margin Sediment Samples to Link Land and Ocean Responses to Glacial-Interglacial Climate Variability

A tale of two large igneous provinces : geochronological and geochemical studies of the North Atlantic Volcanic Province and the Caribbean oceanic plateau

Submarine plateau volcanism and Cretaceous Ocean Anoxic Event 1a : geochemical evidence from Aptian sedimentary sections

Geochronology and geochemistry of low temperature hydrothermal alteration in oceanic crust : an investigation of celadonite in the Troodos ophiolite, Cyprus

Age progressive volcanism in the Comores Archipelago and northern Madagascar

Hydrothermal links between ocean plateau formation and global anoxia at the Cenomanian-Turonian boundary

A Geochemical Model for the Petrogenesis of the Curaçao Lava Formation: Implications for the Origin of the Caribbean Plateau

Rhyolitic magmatism of the High Lava Plains and adjacent Northwest Basin and Range, Oregon : implications for the evolution of continental crust

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