Geological Materials Repository
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.
Geological Materials

A variety of samples collected for completed USGS projects are stored in the Geological Materials Repository for possible future use.