UNC Department of Geological Sciences

Xiaoming Liu

Xiaoming Liu is an assistant professor of geochemistry in the Department of Geological Sciences within the UNC College of Arts & Sciences. She studies old rocks to better understand Earth's elemental and isotope behavior and, ultimately, its history.

A Volcanologist’s Vigilance

As director of Ecuador’s Geophysical Institute, Mario Ruiz has monitored some of the most active (and potentially destructive) volcanoes in South America. After earning his PhD at UNC 10 years ago, Ruiz has come back to Carolina to sift through data from the recent eruption of the Cotopaxi volcano.