Index Catalog // ScholarsArchive@OSU

Changing tectonic regimes in the southern Salinian block : extension, strike-slip faulting, compression and rotation in the Cuyama Valley, California

Creator:: Ellis, Barbara Jean
Abstract:: During the Cenozoic, tectonics in the Cuyama basin of the southeastern Salinian block changed from extension to strike-slip faulting to compression and rotation. During the Oligocene-early Miocene, the Cuyama basin was adjacent to the southern Mojave region and part of that extensional tectonic regime. Many present-day reverse faults have an...
Resource Type:: Dissertation

Finite difference wavefield modeling of large-aperture data from the 1993 Mendocino Triple Junction Seismic Experiment

Creator:: Lendl, Christof
Abstract:: This thesis presents elastic finite difference simulations of two dimensional wavefield propagation for line-9, recorded during the 1993 part of the multi-institutional, multi-year Mendocino Triple Junction (MTJ) Seismic Experiment. Line-9 is a high-resolution, large-aperture seismic profile oriented in north-south direction, extending from the subduction regime north of the MTJ to...
Resource Type:: Masters Thesis
Full Text:: proposed. The new model introduces several distinct structures, like a subducted Gorda plate, a slabless

Plate boundary deformation of the Pacific plate : two case studies

Creator:: Leitner, Beate
Abstract:: Two examples of Pacific rim plate boundary deformation are presented. In the first part of the thesis crustal models are derived for the northwestern part of the Vizcaino block in California using marine seismic and gravity data collected by the Mendocino Triple Junction Seismic Experiment. A northwest-southeast trending kink in...
Resource Type:: Dissertation
Full Text:: ..................................................................................... 10 2.2.3 Plate Tectonic History

Convergence rates across the Ventura Basin, California

Creator:: Huftile, Gary J.
Abstract:: Four cross sections are balanced and retrodeformed to 250±50 ka and 975±75 ka to yield crustal shortening amounts and rates for the western Transverse Ranges of California. The cross sections compare the shortening that occurs along a transfer zone in which displacement is transferred eastward from a surface reverse fault...
Resource Type:: Dissertation

Investigating Plate Boundaries through New High-Resolution Bathymetry and Seismic Data; 2 Case Studies from the Cascadia Subduction Zone and San Andreas Fault

Creator:: Beeson, Jeffrey Watson
Abstract:: Contiential margins on plate boundaries are complex systems with morphologies and characteristics dictated by the interplay of sediment deposition and erosion, tectonic faulting, folding, and strong ground motion generating mass wasting events. With ever increasing advances in high-resolution remote sensing techniques these systems are increasingly becoming illuminated. A ~120 km...
Resource Type:: Dissertation
Full Text:: California to Cape Mendocino and is the main structure in the widely distributed plate boundary between the

Late Pleistocene Slip Rate along the Panamint Valley Fault System, Eastern California

Creator:: Choi, Na Hyung
Abstract:: The Eastern California Shear Zone (ECSZ) is a broad zone of dextral shear inboard of the North American - Pacific plate boundary. Despite decades of study, the significance of a mismatch between geodetic velocities and geologic fault slip rates across the ECSZ remains incompletely understood. Geodetically determined interseismic strain across...
Resource Type:: Masters Thesis
Full Text:: , Eastern California Abstract approved: ______________________________________________________

Chile trench : extensional rupture of oceanic crust and the influence of tectonics on sediment distribution

Creator:: Schweller, W. J. (William John)
Abstract:: Extensive new trackline coverage of the Chile Trench between 23°S and 34°S, including more than 60 bathymetric and seismic reflection profiles across the trench axis, allows a much more detailed study of the tectonics and sedimentation of this feature than previously possible. Sediment distribution along the axis shows a remarkable...
Resource Type:: Masters Thesis
Full Text:: morphology, sedi- ment distribution, structural features, and stresses inferred from a plate tectonic

A field and geochemical study of the boundary between the Nanga Parbat-Haramosh massif and the Ladakh arc terrane, northern Pakistan

Creator:: Verplanck, Philip L.
Abstract:: The Nanga Parbat-Haramosh massif (NPHM) is a north-south trending structural and topographic high, which interrupts the east-west trend of the Himalaya in northern Pakistan. Previously, the massif was thought to be bounded by the Main Mantle thrust (MMT), a north-dipping thrust along which the Kohistan-Ladakh arc was thrust south over...
Resource Type:: Masters Thesis

The mechanics of the Salt Range-Potwar Plateau, Pakistan : qualitative and quantitative aspects of a fold-and-thrust belt underlain by evaporites

Creator:: Juame, Steven C.
Abstract:: The collision of the Indian subcontinent with Asia beginning 40 million years ago produced the Himalayan orogenic belt, the largest continental collision belt active today. The foreland fold-and-thrust belt in northern Pakistan consists of the Salt Range-Potwar Plateau area. In this region the distance from the Main Boundary Thrust(MBT) to...
Resource Type:: Masters Thesis
Full Text:: TECTONIC SETTING 4 MECHANICS OF FOLD-AND-THRUST BELTS 8 Early work in mechanics of fold-and-thrust belts 8

Subsurface densities & lithospheric flexure of the Himalayan foreland in Pakistan, interpreted from gravity data

Creator:: Duroy, Yannick
Abstract:: Gravity data along a N-S profile from Kohistan to the Punjab plain of Pakistan have been incorporated into recent interpretation of the gross structure of the foreland fold and thrust belt of the Himalaya. In northern Pakistan large deviations from Airy Isostatic equilibrium are observed. An excess of mass characterizes...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Changing tectonic regimes in the southern Salinian block : extension, strike-slip faulting, compression and rotation in the Cuyama Valley, California

Finite difference wavefield modeling of large-aperture data from the 1993 Mendocino Triple Junction Seismic Experiment

Plate boundary deformation of the Pacific plate : two case studies

Convergence rates across the Ventura Basin, California

Investigating Plate Boundaries through New High-Resolution Bathymetry and Seismic Data; 2 Case Studies from the Cascadia Subduction Zone and San Andreas Fault

Late Pleistocene Slip Rate along the Panamint Valley Fault System, Eastern California

Chile trench : extensional rupture of oceanic crust and the influence of tectonics on sediment distribution

A field and geochemical study of the boundary between the Nanga Parbat-Haramosh massif and the Ladakh arc terrane, northern Pakistan

The mechanics of the Salt Range-Potwar Plateau, Pakistan : qualitative and quantitative aspects of a fold-and-thrust belt underlain by evaporites

Subsurface densities & lithospheric flexure of the Himalayan foreland in Pakistan, interpreted from gravity data

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