Mineral Chimney (IMAGE) U.S. National Science Foundation Caption This photo shows a mineral chimney and microbe mats on the sea floor in the Gulf of Mexico. Credit Ian MacDonald, Texas A&M University 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.