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Department News | Department of Geological Sciences

New Science paper on hillslope control of landscape scale

A team led by our own Kristin Sweeny and Josh Roering have a paper in the latest issue of Science, “Experimental evidence for hillslope control of landscape scale.” Their work uses a set of experimental sand boxes to test the relative effects of hillslope formation vs. valley incision on ...

Geology Grad Students had 14 national and international awards in 14-15

Geological Sciences 2014-2015 Graduate Student Awards Awards in the Past Year: through April, 2015 We are delighted to celebrate a year of accomplishments by our graduate students, who continue a long tradition of outstanding research and scholarship in Earth and Environmental Sciences at the UO. ...

New Journal of Mammalian Evolution paper on the evolution of tooth crown height and enamel complexity

The UO paleontology group has a new paper in Journal of Mammalian Evolution, led by grad student Nick Famoso. This study investigates the relationship between hypsodonty, the relative tooth height, and the complexity of enamel bands on the chewing surface of the teeth of horses and even toed hoofed ...

New Nature Geoscience paper shows water source for Cascade Arc slab melting

A research team led by our own Kristina Walowski and Paul Wallace has gained new insight into the source of water in explosive Cascade Arc volcanism. Their study of hydrogen isotopes and trace elements from melt inclusions in Cascade ash samples shows that the water in eruptions actually comes from ...

New Journal of Geophysical Research paper on tidal forces triggering low-frequency earthquakes

A team of researchers including our own Amanda Thomas have recently published a paper in the Journal of Geophysical Research: Solid Earth. Their analysis of low-frequency earthquake catalogs leads to a better understanding of the processes producing the sensitivity of these events to the cyclical ...

UO Geophysics group publication in G-cubed on a seismic discontinuity beneath the Galapagos

The UO geophysics group has a new paper in Geochemistry, Geophysics, Geosystems, led by Joseph Byrnes. This study maps an upper-mantle seismic discontinuity below the Galápagos Archipelago, and finds that this characteristic discontinuity cannot mark the base of the rigid lithosphere, as has been ...

New Nature Geoscience Letter from UO Geobiology group

The UO Geobiology research group, headed by Qusheng Jin, recently published a letter in Nature Geoscience, which documents evidence that microbial activity in groundwater is an important source of mobile arsenic. This publication, led by Scott Maguffin, has implications for the safety of well ...

Three UO students recognized with AGU student awards

At this year’s AGU meeting, three of our students were recognized for their outstanding presentations: Joseph Byrnes, AGU 2014 Outstanding Student Paper Award (poster presentation): Structure of the lithosphere-asthenosphere system beneath the Juan de Fuca plate: Results of body wave imaging ...

Spring 2015 Weekly Seminar Schedule

Talks on Wednesdays are from 4:00 to 5:20 pm in 110 Willamette Hall. Tea and cookies are served in Cascade 200 beginning at 3:30 p.m. April 1 – Kerin Claeson (Philadelphia COM) Title: Guitarfishes in Rocks of all Ages: The origin and evolution of Rhinobatiformes April ...

Quaternary Research paper on age of Willamette Valley Megafauna

Edward Davis is a contributing author on a paper in the latest issue of Quaternary research, headed by Danny Gilmour of Portland State University. This study used high-precision AMS radiocarbon dating to determine the ages of the latest megafauna found in the Willamette Valley, here in western ...
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