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...
In this dissertation, I examine emerging economic issues which intersect outdoor recreation, environmental quality, public land use, and public health advisories. First, I explore the potential impacts of social media on visitation to public land. Social media, and in particular Instagram, has been suggested by journalist and land managers as...
Previous research has shown significant improvements in standard measurements of student learning in traditional classroom settings when constructivist instruction techniques are skillfully applied as opposed to its traditional counterpart, direct instruction. The purpose of this study is to apply the concept of constructivism in musical instruction. The working hypothesis is...
Two companion pieces, a video documentary and written analysis, provide the
text for this exploration of how women's life stories and the mother-daughter narrative
are preserved through the transmission of inherited objects. The video documentary
reveals the lives of six diverse women who each discuss the politics of receiving and...
The COVID-19 pandemic impacted the international development sector through various external and internal stressors. Community engagement practices that international non-governmental organizations and non-profits conducted were disrupted by the pandemic, and communities were faced additional challenges when international development workers were required to socially distance or relocate at the onset of...
This thesis explores the experiences and negotiations of belonging for children of Mexican migrant farmworkers in Oregon. Ethnographic data was collected over the course of several months with Mexican migrant farmworkers and their children in agricultural fields in Oregon and at Oregon State University. The children in this project have...
Snow Peak is a voluminous shield volcano located ~50 km west of the axis of
the modern Cascade arc. A previously published K-Ar age estimate indicates that the
Snow Peak lavas are ~3 Ma. Subsequently, the preliminary research framework for
studying the Snow Peak lavas focused on constraining the petrogenesis...