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Geological Materials Repository

The GMR is home to the largest, publicly accessible USGS rock core and cuttings collection (the Core Research Center collection). In addition to the large core and cuttings collections, there are over 1,000 pallets of varied materials, from numerous Science Centers and Mission Areas, currently stored in the GMR space.



Media Alert: The USGS is calling all dead butterflies and moths in six states


Publication Notice: Directory of Public Repositories of Geological Materials


The U.S. Geological Survey Geologic Collections Management System (GCMS)—A master catalog and collections management plan for U.S. Geological Survey geologic samples and sample collections

 **Updated guidance is available in USGS Instructional Memorandum CSS 2019-01.**AbstractThe U.S. Geological Survey (USGS) is widely recognized in the earth science community as possessing extensive collections of earth materials collected by research personnel over the course of its history. In 2006, a Geologic Collections Inventory was conducted within the USGS Geology Discipline to determine the