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Theses/Dissertations from 2022

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Stratigraphic and Geochemical Evaluation of Distal Flows of the Columbia River Flood Basalts in the Greater Vale Area, Southeastern Oregon, Lena Marie Fox

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Electron Backscatter Diffraction Analysis of Olivine in Ureilite Meteorites: Evaluation of the Partially Magmatic Catastrophic Disruption Model of the Ureilite Parent Body (UPB), James Karl Frye

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Post-Fire Erosional and Hydrological Processes Promoting Debris Flow Initiation in a Douglas Fir and Western Hemlock Forest in the Riverside Burn Area, Oregon, Morena Nicole Hammer

Theses/Dissertations from 2021

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Rhyolite Stratigraphy Along Succor Creek: Insights into the Eruptive History of the Three Fingers and Mahogany Mountain Volcanic Field, Cassandra Caryl Black

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Mid-Miocene Icelandites of Eastern Oregon: Petrogenesis and Magmatic Lineage to Main-Phase CRBG with Constraints on Storage Sites, Melissa Aileen Carley

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Distribution and Characterization of Rhyolites of the Strawberry Volcanics -- Evolution of a Major Rhyolite Field Associated with Columbia River Basalt Magmatism, Eastern Oregon, USA, Chanel Leigh Dvorak

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Major Controls on Diagenesis in the Martin Bridge Formation: Wallowa Mountains, Oregon, Jane Lyra Eisenberg

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New Perspectives on Prolific and Voluminous Rhyolite Volcanism of the Mahogany Mountain--Three Fingers Rhyolite Field, Eastern Oregon, Robert Andrew Jackson

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Evaluation of Manual and Semi-Automated Deep-Seated Landslide Inventory Processes: Willapa Hills, Washington, Tiffany E. Justice

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Climatic Controls on the Kinematics of the Hooskanaden Landslide, Curry County, Oregon, Kara Kingen

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Characterization and Interpretation of Feldspathic Chromite Assemblages (FCAs) in Four Ordinary Chondrites: an Electron Backscatter Diffraction (EBSD) Study, Kimberly Louisa Maccini

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From Molecules to Mountains: A Multi-Proxy Investigation into Ancient Climate and Topography of the Pacific Northwest, USA, Alex McLean

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Reassessing Hydrothermal Heat Discharge and the Relationship of Hot Springs in the North Oregon Cascades, Aaron Alexander Orr

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Amount and Depositional Fate of Carbon Mobilized by Landsliding in SE Alaska, Bryce Alois Vascik

Theses/Dissertations from 2020

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The Rocky Ledge Fault, Shasta County, NE California: Development and Morphology of a Quaternary Oblique Normal Fault in Basalt, Gregory David Linscott Martin

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Geochemical Response to Thermal Energy Storage in the Columbia River Basalt Aquifer System Beneath the Portland Basin, Oregon, Ellen Elizabeth Svadlenak

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Inventory of Rock Glaciers in the American West and Their Topography and Climate, Allison Reese Trcka

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Testing the Correlation of Trace Element Characteristics with the Petrology and Temperature of Eruption of mid-Miocene Rhyolites in Eastern Oregon, Brianna Christine Young

Theses/Dissertations from 2019

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A Characterization of Structures Across the Hurricane Ridge Fault in the Southeastern Olympic Peninsula, WA, Hamma Hamma River Transect, Veronica Catherine Biesiada

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Distribution and Origin of Carbide in Ordinary Chondrites, Karla Rae Farley

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Modeling Surface Roughness as an Indicator of Age and Landslide Susceptibility, and the Spatial Inventory of Prehistoric Landslides: Green River Valley, Washington, Rebecca Naomi Garriss

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Assessment of Cluster Chondrite Accretion Temperature Using Electron Backscatter Diffraction and Implications for Chondrule Formation Models, Secana Portia Goudy

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Regional Modeling of the Glaciers of the North Cascades Mountains, Washington, USA, Christina Eileen Gray

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Seismic Source Characterization of Faults in the Portland and Tualatin Basins and a Paleoseismic Study of the Gales Creek Fault, OR, Alison Elizabeth Horst

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Fault Deformation at the Base of and within the Crescent Formation along the Dosewallips River, Olympic Mountains Peninsula, Washington, USA, Christine Meryl Maher

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Geothermometry of H6 and L6 Chondrites and the Relationship between Impact Processing and Retrograde Metamorphism, Michael Tyler Ream

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The Spatial and Temporal Evolution of the Portland and Tualatin Basins, Oregon, USA, Darby Patrick Scanlon

Theses/Dissertations from 2018

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Quantifying Knickpoint Behavior and Erosion Mechanisms in an Urbanized Watershed, Bull Mountain, Washington County, Oregon, Max Gregory Bordal

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Glacier Inventories and Change in Glacier National Park, Melissa Carrie Brett

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Volcanic Glass as a Paleoenvironmental Proxy: Comparing Preparation Methods on Ashes from the Lee of the Cascade Range in Oregon, USA, Tessa Boe Carlson

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Dynamics of Magma Recharge and Mixing at Mount Hood Volcano, Oregon -- Insights from Enclave-bearing Lavas, Molly Kathryn Ellowitz

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Areal Extent and Volumes of the Dinner Creek Tuff Units, Eastern Oregon Based on Lithology, Bulk Rock Composition and Feldspar Mineralogy, Teresa Rae Hanna

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Using Repeat Terrestrial Laser Scanning and Photogrammetry to Monitor Reactivation of the Silt Creek Landslide in the Western Cascade Mountains, Linn County, Oregon, Justin Craig McCarley

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The Wildcat Creek Tuff, Eastern Oregon: Co-eruption of Crystal-poor Rhyolite and Fe-rich Andesite with Implication for Mafic Underpinnings to Voluminous A-type Rhyolites, Hillarie Jaye Sales

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Measuring and Modeling Evolution of Cryoconite Holes in the McMurdo Dry Valleys, Antarctica, Felix Jacob Zamora

Theses/Dissertations from 2017

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Rhyolite Petrogenesis at Tower Mountain Caldera, OR, Elizabeth Ann Brown

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Field Mapping Investigation and Geochemical Analysis of Volcanic Units within the Dinner Creek Tuff Eruptive Center, Malheur County, Eastern Oregon, Matthew Cruz

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Constraining the Holocene Extent of the Northwest Meers Fault, Oklahoma Using High-Resolution Topography and Paleoseismic Trenching, Kristofer Tyler Hornsby

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Compositional and Physical Gradients in the Magmas of the Devine Canyon Tuff, Eastern Oregon: Constraints for Evolution Models of Voluminous High-silica Rhyolites, Shelby Lee Isom

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Soputan Volcano, Indonesia: Petrological Systematics of Volatiles and Magmas and their Bearing on Explosive Eruptions of a Basalt Volcano, Syegi Lenarahmi Kunrat

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Mineral Evidence for Generating Compositionally Zoned Rhyolites of the Devine Canyon Tuff, High Lava Plains, Oregon, Erik Paul Shafer

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The Littlefield Rhyolite, Eastern Oregon: Distinct Flow Units and Their Constraints on Age and Storage Sites of Grande Ronde Basalt Magmas, Brian McCulloch Webb

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Melting in the Mantle Wedge: Quantifying the Effects of Crustal Morphology and Viscous Decoupling on Melt Production with Application to the Cascadia Subduction Zone, Jiaming Yang

Theses/Dissertations from 2016

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Arsenic Mobilization from Silicic Volcanic Rocks in the Southern Willamette Valley, Gabriela Ribeiro de Sena Ferreira

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Groundwater-Surface Water Interactions near Mosier, Oregon, Cullen Brandon Jones

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Silicic Volcanism at the Northern and Western Extent of the Columbia River Basalt Rhyolite Flare-up: Rhyolites of Buchanan Volcanic Complex and Dooley Mountain Volcanic Complex, Oregon, Adam M. Large

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Geothermometry of Two Cascade Geothermal Systems, Donnel Alexander Malkemus

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Slope Failure Detection through Multi-temporal Lidar Data and Geotechnical Soils Analysis of the Deep-Seated Madrone Landslide, Coast Range, Oregon, Michael Scott Marshall

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Hydrogeochemical Evaluation of the Uinta Formation and Green River Formation, Piceance Creek Basin, Northwestern Colorado, USA, Megan E. Masterson

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Sedimentologic Changes in the Deposits of an Evolving Lahar-Flood in 2006, Hood River Basin, Mount Hood, Oregon, Matthew Ray Poole

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Field Geology and Petrologic Investigation of the Strawberry Volcanics, Northeast Oregon, Arron Richard Steiner

Theses/Dissertations from 2015

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Landforms along the Lower Columbia River and the Influence of Humans, Charles Matthew Cannon

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Naturally Occurring Background Levels of Arsenic in the Soils of Southwestern Oregon, Heather Ann Hurtado

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Effects of Aerial Exposure on Preservation of Low-Temperature Calothrix Biosignatures in Silica Sinter from Queen's Laundry, Yellowstone National Park, USA, Shana Kendall

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Debris Flow Susceptibility Map for Mount Rainier, Washington Based on Debris Flow Initiation Zone Characteristics from the November, 2006 Climate Event in the Cascade Mountains, Kassandra Lindsey

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Quaternary Chronology and Stratigraphy of Mickey Springs, Oregon, Leslie Allen Mowbray

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Glacier Change on the Three Sisters Volcanoes, Oregon: 1900-2010, Justin George Ohlschlager

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Hydrogeologic Investigation of a Pumice Aquifer, Fremont/Winema National Forest, Oregon, Jonathan Michael Weatherford

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Defining the Terroir of the Columbia Gorge Wine Region, Oregon and Washington, USA Using Geographic Information Systems (GIS), Hilary Whitney

Theses/Dissertations from 2014

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Chemical and Petrographic Survey of Large, Igneous-Textured Inclusions in Ordinary Chondrites, Katherine Armstrong

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Strontium, Lead, and Oxygen Isotopic Signatures of Mid-Miocene Silicic Volcanism in Eastern Oregon, Emily Nancy Hess

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Relational Database Analysis of Dated Prehistoric Shorelines to Establish Sand Partitioning in Late Holocene Barriers and Beach Plains of the Columbia River Littoral Cell, Washington and Oregon, USA, Tamara Causer Linde

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Revisiting Volcanology and Composition of Rhyolites and Associated REE Rich Mafic Clasts of the Three Fingers Caldera, SE Oregon, Phillip Ira Marcy

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Investigating the Link Between Surface Water and Groundwater in the Tule Lake Subbasin, Oregon and California, Esther Maria Pischel

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The West Tidewater Earthflow, Northern Oregon Coast Range, Barry A. Sanford

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Complex Thermal Histories of L Melt Breccias NWA 5964 and NWA 6580, Kristy Lee Schepker

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The Geology and Petrology of Enigmatic Rhyolites at Graveyard and Gordon Buttes, Mount Hood Quadrangle, Oregon, Elizabeth G. Westby

Theses/Dissertations from 2013

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A Characterization of Lake Abert Tufa Mounds Lake Abert, Oregon, Anthony Lynn Bartruff

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Characterization of the Shallow Subsurface Geohydrology of the Ni-les'tun Unit on the Bandon Marsh National Wildlife Refuge, Christopher Madison Beard

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Map-based Probabilistic Infinite Slope Analysis of the Stephens Creek Watershed, Portland, Oregon, Ryan Andrew Cole

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Grounding Zone Processes: Ice Mechanics and Margin Lakes, Kamb Ice Stream and Whillans Ice Stream, West Antarctica, Mason Joseph Fried

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Investigations into the Regional and Local Timescale Variations of Subglacial Drainage Networks, Justin Hiester

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Arsenic in the Soils of Northwest Oregon, Tracy Ryan Ricker

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Arsenic Mobility and Compositional Variability in High-Silica Ash Flow Tuffs, Courtney Beth Young Savoie

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Hydrogeologic Characterization of Dutch Canyon, Scappoose, Oregon, Derrick Lee Wagner

Theses/Dissertations from 2012

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Groundwater Surface Trends in the North Florence Dunal Aquifer, Oregon Coast, USA, Sarah Rebecca Doliber

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Late Pleistocene and Holocene Aged Glacial and Climatic Reconstructions in the Goat Rocks Wilderness, Washington, United States, Joshua Andrews Heard

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Reservoir Evolution Following the Removal of Marmot Dam on the Sandy River, Oregon, Mackenzie Karli Keith

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Ancient Cataclysmic Floods in the Pacific Northwest: Ancestors to the Missoula Floods, Erica Medley

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Inventory and Initiation Zone Characterization of Debris Flows on Mount St. Helens, Washington Initiated during a Major Storm Event in November, 2006, Keith Vinton Olson

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Characterization of the Red Bluff Landslide, Greater Cascade Landslide Complex, Columbia River Gorge, Washington, James Robert Randall

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Origin of surface undulations at the Kamb Ice Stream grounding line, West Antarctica, Fiona Bronwyn Seifert

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Apatite Crystal Populations of the 1991 Mount Pinatubo Eruption, Philippines: Implications for the Generation of High Sulfur Apatite in Silicic Melts, Ashley Elizabeth Van Hoose

Theses/Dissertations from 2011

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Landslide Inventory Mapping and Dating using LiDAR-Based Imagery and Statistical Comparison Techniques in Milo McIver State Park, Clackamas County, Oregon, Serin Duplantis

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Designing and Using Virtual Field Environments to Enhance and Extend Field Experience in Professional Development Programs in Geology for K-12 Teachers, Frank D. Granshaw

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Hydrogeology of the McKinney Butte Area: Sisters, Oregon, Joshua Andrew Hackett

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Spatial and Temporal Variability of Glacier Melt in the McMurdo Dry Valleys, Antarctica, Matthew James Hoffman

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Potential for Speciation in Mammals Following Vast, Late Miocene Volcanic Interruptions in the Pacific Northwest, Ryan Thomas McKenna

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LiDAR-Based Landslide Inventory and Susceptibility Mapping, and Differential LiDAR Analysis for the Panther Creek Watershed, Coast Range, Oregon, Katherine A. Mickelson

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Analysis and Characterization of Debris Flows in November, 2006, Mount Adams, Washington., Kendra Justine Williams

Theses/Dissertations from 2010

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Initiation zone characterization of debris flows in November, 2006, Mount Hood, Oregon, Rachel Pirot

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Using Turbidity Monitoring and LiDAR-Derived Imagery to Investigate Sources of Suspended Sediment in the Little North Santiam River Basin, Oregon, Winter 2009-2010, Steven Sobieszczyk

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Model Analysis of the Hydrologic Response to Climate Change in the Upper Deschutes Basin, Oregon, Michael Scott Waibel

Theses/Dissertations from 2005

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A Tale of Three Sisters: Reconstructing the Holocene glacial history and paleoclimate record at Three Sisters Volcanoes, Oregon, United States, Shaun Andrew Marcott

Theses/Dissertations from 2004

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Compositional and mineralogical relationships between mafic inclusions and host lavas as key to andesite petrogenesis at Mount Hood Volcano, Oregon, Melinda Michelle Woods

Theses/Dissertations from 2002

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In Situ Hydraulic Testing and Water Quality Sampling in the Hyporheic Zone of the Columbia River, Hanford Reach, Washington, Evan V. Arntzen

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Hydrogeologic Investigation of the Klamath Marsh, Klamath County, Oregon, Jason Michael Melady

Theses/Dissertations from 2000

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Establishing the Inundation Distance and Overtopping Height of Paleotsunami from the Late-Holocene Geologic Record at Open-Coastal Wetland Sites, Central Cascadia Margin, Robert B. Schlichting

Theses/Dissertations from 1997

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Geologic Evidence of Historic and Prehistoric Tsunami Inundation at Seaside, Oregon, Brooke K. Fiedorowicz

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Distribution of Heavy Metals and Trace Elements in Soils of Southwest Oregon, Rafiqul Alam Khandoker