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Data Series 520

Geochemical Data for Colorado Soils: Results from the 2006 State-Scale Geochemical Survey

By David B. Smith, Karl J. Ellefsen, and James E. Kilburn

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In 2006, soil samples were collected at 960 sites (1 site per 280 square kilometers) throughout the state of Colorado. These samples were collected from a depth of 0–15 centimeters and, following a near-total multi-acid digestion, were analyzed for a suite of more than 40 major and trace elements. The resulting data set provides a baseline for the natural variation in soil geochemistry for Colorado and forms the basis for detecting changes in soil composition that might result from natural processes or anthropogenic activities. This report describes the sampling and analytical protocols used and makes available all the soil geochemical data generated in the study.

Posted September 1, 2010

For additional information contact:

Center Director, USGS Central Mineral and Environmental Resources Science Center
Box 25046, Mail Stop 973
Denver, CO 80225

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Smith, D.B., Ellefsen, K.J., and Kilburn, J.E., 2010, Geochemical data for Colorado soils—Results from the 2006 state-scale geochemical survey: U.S. Geological Survey, Data Series 520, 9 p.




Sample-Collection and Sample-Preparation Protocols

Analytical Protocols

Quality Assurance and Quality Control

Description of Data Tables

References Cited

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