Cameca EPMA SX-Five Electron Gun
Al map of kyanite schist, East-Humboldt Range, Idaho


Our labs are operating in a limited capacity. We are currently only able to accommodate essential research operations.

If you have research to conduct in our labs related to the COVID response effort, please contact us and we will do everything possible to host your visit or arrange to provide measurement results of your samples.

Please visit UW-Madison COVID-19 for further University updates.


The Electron Microbeam Research Laboratories (EMRL) at UW-Madison house analytical instrumentation for investigating the chemistry, morphology, and structure of solid materials.

The EMRL includes the Eugene Cameron Electron Microprobe (EPMA) Laboratory and the Mary and Ray Wilcox Scanning Electron Microscope (SEM) Laboratory. Our instruments are used for research and collection of microanalytical information pertaining to a wide array of disciplines including geoscience, materials science, chemistry, physics, anthropology, biology, and engineering.

We are located on the third floor of Weeks Hall in the Department of Geoscience (rooms 302, 306, 310, 312). Please stop by for a visit or contact us for additional information.