Sampling Microbes from Cave Formations (IMAGE) University of Arizona Caption Former UA doctoral student Marian Ortiz samples microbes that live on the surface of stalactites and other mineral deposits in Kartchner Caverns. Credit Photo courtesy of Ginger Nolan/Kartchner Caverns State Park Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated. 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.