Mineral ages show Blue Mountain rocks related to Klamath, Sierra Nevadas New evidence, based on mineral dating, suggests that rocks of the Blue Mountains, the oldest geological formation in Oregon, may have been derived from the Klamath and Sierra Nevada mountain chains, University of Oregon researchers report. view more (2007-10-30)
Amazon River reversed flow Ask any South American dinosaur which way the Amazon River flows and she would have told you east-to-west, the opposite of today. That's the surprising conclusion of researchers studying ancient mineral grains buried in the Amazon Basin. view more (2006-10-25)
