Index Catalog // ScholarsArchive@OSU

Basaltic volcanism and tectonics of the High Lava Plains, southeastern Oregon

Creator:: Jordan, Brennan T.
Abstract:: The High Lava Plains province (HLP) of southeastern Oregon is a Miocene to Recent volcanic upland characterized by widespread basaltic volcanism and west-migrating rhyolitic volcanism. New ⁴⁰Ar/³⁹Ar ages for HLP rhyolites demonstrate that the trend of migrating rhyolitic volcanism is robust, reflecting westward migration at a rate of -35 km/m.y....
Resource Type:: Dissertation
Full Text:: Tectonics of the High Lava Plains, Southeastern Oregon. Abstract approved: David W. Graham The High Lava

Evolution and inheritance of Cascadia sub-arc mantle reservoirs

Creator:: Bromley, Sarah Ashley
Abstract:: Inheritance from pre-existing mantle domains and fluid and melt contributions from active subduction together produce the geochemical signatures of mantle-derived arc basalts. In this context, this work evaluates the evolution of Cascadia mantle sources by documenting the isotopic and compositional characteristics of primitive basalts along a transect across the Eocene-Oligocene...
Resource Type:: Masters Thesis

Controls on eruption style and magma compositions at Mount Hood, Oregon

Creator:: Koleszar, Alison M.
Abstract:: This study is an effort to characterize the magma sources, plumbing system, and eruptive behavior of Mount Hood, a low-explosivity recharge-dominated volcano in the Oregon Cascades. The three manuscripts in this dissertation make use of melt inclusion data, phenocryst compositions, and whole rock petrology and geochemistry to build a schematic...
Resource Type:: Dissertation
Full Text:: . Hildreth, W., 2007, Quaternary Magmatism in the Cascades— Geologic Perspectives: Reston, VA, U.S

Geologic structure and exhumation accompanying Yakutat terrane collision, southern Alaska

Creator:: Johnston, Sarah A.
Abstract:: The climatic and tectonic framework of the St. Elias orogen makes it an excellent place to study the interactions between tectonic processes such as deformation and erosive processes, in particular glacial erosion. One type of link between these processes, proposed by numerical models of orogenic development, is an effect of...
Resource Type:: Masters Thesis
Full Text:: various sediment _ .:-:·-.:·-. • : Gulf of Alaska ', __ ---- I ___ - - - - - .... - -0 100 Jso=-w

The paleoecology of Silurian trilobites with a section on the Silurian stratigraphy of southeastern Wisconsin

Creator:: Mikulic, Donald G.
Resource Type:: Dissertation
Full Text:: , Patricia Armstrong, Madeline Bode, the late Bill Bode, W. B. N. Berry, Carl Brett, Christina Bengtson

Geomorphic Evidence for Differential Rock Uplift Across the Southern Cascadia Forearc

Creator:: von Dassow, Wesley
Abstract:: The nature of upper plate deformation along the Cascadia subduction zone (CSZ) is poorly understood. Systematic covariation among topographic relief, geodetically determined uplift rates, decadal to millennial erosion rates, and the frequency of episodic tremor and slip (ETS) along the Cascadia forearc suggest a genetic association between forearc topography and...
Resource Type:: Masters Thesis
Full Text:: the central and northern forearc trend E-W, orthogonal to the topographic trend of the Coast Ranges

Structure and seismic hazards of the offshore Cascadia forearc and evolution of the Neogene forearc basin

Creator:: McNeill, Lisa C.
Abstract:: The Cascadia subduction zone has been characterized as a typical Chilean-type subduction zone based on qualitative comparisons of plate age and convergence rate, with simple forearc structure. However, the discovery of unusual structural styles of deformation, variations in the morphology of the forearc, and its absence of seismic activity suggest...
Resource Type:: Dissertation
Full Text:: bathymetric map of the Grays Canyon outer shelf and upper slope region 14 11.5 (Top) E-W migrated

Active tectonics of the Kashmir Himalaya (NW India) and earthquake potential on folds, out-of-sequence thrusts, and duplexes

Creator:: Gavillot, Yann G.
Abstract:: Active tectonics of a deformation front constrains the kinematic evolution and structural interaction between the fold-thrust belt and the most-recently accreted foreland basin. At the Himalayan deformation front, the thrust front is blind, characterized by a broad fold (the Suruin-Mastgarh anticline (SMA)), and displays no emergent faults cutting the southern...
Resource Type:: Dissertation
Full Text:: Nepal Himalaya, Nature, 386, 61–64. Blythe, A. E., D. W. Burbank, A. Carter, K. Schmidt, and J

Helium isotope variations in peridotite, gabbro and basalt from the Kane Oceanic Core Complex

Creator:: Konrad, Kevin
Abstract:: The Kane Oceanic Core Complex (OCC) is a valuable window into crustal architecture and chemical composition of the lithosphere beneath a slow-spreading ocean ridge. A suite of > 30 samples (comprised of whole rocks, mineral separates and basalt glasses) has been analyzed for ³He/⁴He isotope ratios and He concentrations. Gas...
Resource Type:: Masters Thesis
Full Text:: : __________________________________________________ David W. Graham The Kane Oceanic Core Complex (OCC) is a valuable window into crustal

A stratigraphic approach to characterize the deposition and storage of organic matter in reservoir sediments

Creator:: Stratton Garvin, Laurel E.
Abstract:: The relationship between carbon burial and sedimentation in reservoirs is unknown, exposing gaps in our fundamental understanding of the transport, processing, and deposition of sediment and organic matter in fluvial and lacustrine systems and contributing to uncertainty in our understanding of the net impact of dams to the global carbon...
Resource Type:: Dissertation
Full Text:: biodiversity: Environmental Management, v. 30, p. 492–507. Clow, D. W., Stackpoole, S. M., Verdin, K. L

ScholarsArchive@OSU

Basaltic volcanism and tectonics of the High Lava Plains, southeastern Oregon

Evolution and inheritance of Cascadia sub-arc mantle reservoirs

Controls on eruption style and magma compositions at Mount Hood, Oregon

Geologic structure and exhumation accompanying Yakutat terrane collision, southern Alaska

The paleoecology of Silurian trilobites with a section on the Silurian stratigraphy of southeastern Wisconsin

Geomorphic Evidence for Differential Rock Uplift Across the Southern Cascadia Forearc

Structure and seismic hazards of the offshore Cascadia forearc and evolution of the Neogene forearc basin

Active tectonics of the Kashmir Himalaya (NW India) and earthquake potential on folds, out-of-sequence thrusts, and duplexes

Helium isotope variations in peridotite, gabbro and basalt from the Kane Oceanic Core Complex

A stratigraphic approach to characterize the deposition and storage of organic matter in reservoir sediments

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