Index Catalog // ScholarsArchive@OSU

Characterizing Yakima Fold and Thrust Belt structures that cross the Cascade Range at the latitude of the Columbia River

Creator:: Gordon, Gabriel
Abstract:: In eastern Washington and western Oregon, southwest-northeast striking thrust faults and folds of the Yakima Fold and Thrust Belt (YFTB) and northwest-striking dextral strike-slip faults accommodate north-south contraction resulting from clockwise rotation of the North American Plate. Though present to the east and west of the Cascade Range, the connectivity...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ______________________________________________________ Andrew J. Meigs In

Historical Change and the Hydrogeomorphic Context of Present-day Floodplain Forests in the Willamette Valley, Oregon

Creator:: Bervid, Heather D.
Abstract:: Floodplain forests play many important roles in the fluvial processes and environments of large alluvial rivers, including acting as geomorphological influences and habitat for native fish during high flows. Many large, gravel-bed river systems have undergone substantial change in recent centuries, resulting in loss of forested area to agriculture, reduction...
Resource Type:: Masters Thesis
Full Text:: that has kept me moving forward. Thank you to Dr. Andrew J. Meigs, my thesis advisor, for taking me

On the Manifestation of Deformation and Evolution of Two Cenozoic Orogens

Creator:: Lamont, Ellen A.
Abstract:: The word orogenesis is derived from the Greek words oros meaning mountains and genesis meaning creation and refers to the study of the complex processes involved in the growth and evolution of mountain ranges (orogens). Orogens develop where crustal deformation builds topography and forms landscapes. This dissertation explores the role...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________ Andrew J. Meigs The word orogenesis is derived from the Greek words oros meaning

The Effects of Structure and Volcanic Stratigraphy on Groundwater and Surface Water Flow: the Hat Creek basin Case Study, California, USA

Creator:: Marcelli, Marina F.
Abstract:: Hydrogeologic systems in the southern Cascade Range develop in volcanic rocks where volcanic morphology, stratigraphy, extensional structures and attendant basin geometry play a central role in groundwater-flow paths, groundwater/surface-water interactions, and spring discharge locations. High-volume springs (> 3 m3/s) flow from young (< 1 Ma) volcanic rocks in the Hat...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Andrew J. Meigs Hydrogeologic systems in the southern Cascade Range develop in volcanic

Kinematics of the Columbia Hills Anticline and the Warwick Strike-Slip Fault, Yakima Fold and Thrust Belt, Washington, USA

Creator:: Woodring, Danielle N.
Abstract:: Discrete fault systems accommodate both N-S contraction and dextral shear in concert with clockwise rotational deformation of the North American plate above the Cascadia Subduction Zone. In Washington, the Yakima Fold and Thrust Belt (YFTB) accommodates N-S contraction as a series of ENE-WSW trending thrust faults and folds. NW-striking, predominantly...
Resource Type:: Masters Thesis
Full Text:: , Washington, USA Abstract approved: ______________________________________________________ Andrew J

Up-estuary extent and lithologic characteristics of tsunami deposits attributed to the 1700 Cascadia earthquake within Alsea Bay, OR

Creator:: Spruell, John T.
Abstract:: Cascadia’s 1700 earthquake generated a tsunami and widespread subsidence along Pacific Northwest coastline. The tsunami deposited sandy sediments in many Oregon coastal estuaries, such as Alsea Bay. Although the recurrence of subduction-generated megathrust earthquakes and tsunami events in this region are recorded in the stratigraphy, knowledge of the full inland...
Resource Type:: Undergraduate Thesis
Full Text:: WITHIN ALSEA BAY, OR. OREGON STATE UNIVERSITY John T. Spruella, Andrew J. Meigsa aOregon State

Statistical methods for assessing the likelihoods of fault rupture scenarios in earthquakes

Creator:: Tallan, Katherine S.
Abstract:: Earthquake rupture scenarios are important tools for understanding the nature of plate movement and patterns in seismic activity. The creation and assessment of these rupture scenarios rely heavily on geologic reasoning and principles applied to earthquake event data. This reliance introduces a certain amount of subjectivity to the rupture scenario...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Andrew Meigs Earthquake rupture scenarios are important tools for understanding the

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:: : ___________________________________________________________________________ Andrew J. Meigs ABSTRACT Active tectonics of a deformation front constrains the

Fault behavior over geomorphic time scales in the Pakistan Himalaya, Kashmir Himalaya, and California

Creator:: Madugo, Christopher Lee Madden
Abstract:: The state of the knowledge for fault behavior in the northwest Himalaya and California varies dramatically. In the Pakistan and Kashmir Himalaya, few data constrain the role that individual active faults play in accommodating Indo-Eurasian convergence and the relative earthquake hazard across the region. By contrast, the San Andreas fault...
Resource Type:: Dissertation

Dextral shear and north-directed crustal shortening defines the transition between extensional and contractional provinces in north-central Oregon

Creator:: Johnson, Ajeet K.
Abstract:: Distributed deformation in the backarc of Cascadia is complex. Off the west coast lies the Cascadia convergent margin. East of the plate boundary, clockwise rotation of the Oregon Coast Range block with respect to stable North America influences backarc deformation, causing extensional faults in southeast Oregon, contraction folding in southeast...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Characterizing Yakima Fold and Thrust Belt structures that cross the Cascade Range at the latitude of the Columbia River

Historical Change and the Hydrogeomorphic Context of Present-day Floodplain Forests in the Willamette Valley, Oregon

On the Manifestation of Deformation and Evolution of Two Cenozoic Orogens

The Effects of Structure and Volcanic Stratigraphy on Groundwater and Surface Water Flow: the Hat Creek basin Case Study, California, USA

Kinematics of the Columbia Hills Anticline and the Warwick Strike-Slip Fault, Yakima Fold and Thrust Belt, Washington, USA

Up-estuary extent and lithologic characteristics of tsunami deposits attributed to the 1700 Cascadia earthquake within Alsea Bay, OR

Statistical methods for assessing the likelihoods of fault rupture scenarios in earthquakes

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

Fault behavior over geomorphic time scales in the Pakistan Himalaya, Kashmir Himalaya, and California

Dextral shear and north-directed crustal shortening defines the transition between extensional and contractional provinces in north-central Oregon

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