Qusheng Jin, University of Oregon (IMAGE) University of Oregon Caption Qusheng Jin, associate professor of geological sciences at the University of Oregon, talks with UO students before leading them into the field near one of the sampled well sites to describe the project. Credit Photo by Shapiro Benjamin Usage Restrictions Photo credit required. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.