Fossil Peach (2 of 3) (IMAGE) Penn State Caption Researchers discovering the first fossilized peach pits after a road construction project in Kunming, China exposed fresh rocks from the late Pliocene, more than 2.5 million years old. Several subsequent tests validated the age of the fossils. Credit Tao Su 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.