Sampling Microbes from Cave Formations (image) University of Arizona Share Print E-Mail 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. Share Print E-Mail 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.