Doushanto Formation Exposures (IMAGE) University of California - Riverside Caption Researchers study exposures of the Doushanto Formation along a creek in the Yangtze Gorges area, South China. Credit M. Kennedy, UC Riverside Usage Restrictions None 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.