Stalagmite (IMAGE) Ohio University Caption This stalagmite, found in a West Virginia cave, showed a major change in the carbon record at about 100 B.C. Credit Courtesy Gregory Springer, Ohio University Usage Restrictions Please credit source 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.