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Geologic Mapping and Petrologic Modeling of the Green Mountain Shield Volcano, Oregon
The Green Mountain Shield Volcano (GM)–dated at 740,000 Ka–is located in Eastern Oregon at the intersection of the Oregon High Lava Plains Province and the northernmost Basin and Range Province. In a preliminary study, ...
Preliminary Characterization of Native American Glass Beads Using IR Spectroscopy
We present preliminary results on the nature of dissolved water in glass beads to Native American connections with early European traders and explorers. Our study involves the first investigation of these glass artifacts ...