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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 School of Earth, Energy & Environmental 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.

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News

New Upgrade to Magnet Field Controller

New upgrade enhances stability and allows higher resolution of mass scans, improving our ability to distingush interfering peaks in the mass spectra - particularily at low mass. 

Marsha Lidzbarski nominated for outstanding MS thesis

Marsha was nominated for the outstanding MS thesis award in the College of Sciences at SJSU.  Her thesis U-Pb Geochronology of the Miocene Peach Spring Tuff Supereruption And Precursor Cook Canyon Tuff, Western Arizona, USA was in competition for best University thesis of 2014.

Seth Burgess awarded Cozzarelli Prize by PNAS

USGS Mendenhall Postdoc Seth Burgess has been awarded the Cozzarelli Prize, which recognizes recently published PNAS papers of outstanding scientific excellence and originality. The award recognizes Seth's recent paper entitled "High-precision timeline for Earth’s most severe extinction".

New USGS Mendenhall Postdoc Seth Burgess

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 dates from zircon using a multicollector noble gas mass spectrometer.

Change in USGS management for SHRIMP lab

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-Director 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.