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The SHRIMP-RG is at Stanford University as a result of a partnership between the U.S. Geological Survey and Stanford University School of Earth Sciences. The laboratory has been jointly operational since 1998, supporting scientists and students from the USGS, Stanford, and external visitors from around the world who visit the laboratory to analyze specimens for a variety of scientific research objectives.

We are committed to making SHRIMP-RG available to the scientific community and seek projects that require spatially resolved measurements and benefit from SHRIMP-RG's unique combination of high secondary transmission and high mass resolving power.

Inquiries from non-USGS scientists regarding time on the SHRIMP-RG in 2015 and beyond should be addressed by completing a request form and sending it to Matt Coble.

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The SUMAC Lab welomes Mendenhall Postdoc Seth Burgess, who will be developing a refined approach for dating Quaternary tephras by combining in-situ U-Th and U-Pb analyses on the SHRIMP with (U-Th)/He ages from zircon using a multicollector noble gas mass spectrometer.

Charlie Bacon retired in October after 39 years with the U.S. Geological Survey in Menlo Park and, for the past 6 years, as Co-Director of the Stanford–USGS SHRIMP lab. Jorge Vazquez is the new Co-Diirector of the SHRIMP lab for USGS. See our "personnel" page for current staffing of the lab. Charlie is staying on with USGS as emeritus scientist, keeping his Menlo Park office, and continuing to work on projects in Alaska and the Cascades.