Lupin Mine (IMAGE) Indiana University Caption IU Bloomington Geological Sciences Professor Lisa Pratt (left) and Princeton University Geosciences Professor Tullis Onstott (right) collect samples of microbes from groundwater in fractured rock 1.1 km below the Earth's surface in the Lupin gold mine, Nunavut Territory, Canada. Credit Lisa Pratt 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.