Geochemical Reference Materials

reference materials

Detailed Description

USGS provides geochemical reference materials for use by scientists in all areas of earth science. Reference materials are routinely used in the calibration of analytical instrumentation, development of new extraction methodologies, and as quality control samples which monitor laboratory performance. For more information on this program please see our Fact Sheet.


Image Dimensions: 2272 x 1704

Date Taken:

Location Taken: US