Geochemical maps of stream sediments in central Colorado, from New Mexico to Wyoming

Open-File Report 2015-1025
By: , and 



The U.S. Geological Survey has completed a series of geologic, mineral resource, and environmental assessment studies in the Rocky Mountains of central Colorado, from Leadville eastward to the range front and from New Mexico to the Wyoming border. Regional stream-sediment geochemical maps, useful for assessing mineral resources and environmental effects of historical mining activities, were produced as part of the study. The data portrayed in this 56-parameter portfolio of landscape geochemical maps serve as a geochemical baseline for the region, indicate element abundances characteristic of various lithologic terranes, and identify gross anthropogenic effects of historical mining. However, although reanalyzed in this study by modern, sensitive methods, the majority of the stream-sediment samples were collected in the 1970s. Thus, metal concentrations portrayed in these maps represent stream-sediment geochemistry at the time of collection.

Study Area

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Geochemical maps of stream sediments in central Colorado, from New Mexico to Wyoming
Series title Open-File Report
Series number 2015-1025
DOI 10.3133/ofr20151025
Year Published 2015
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Central Mineral and Environmental Resources Science Center
Description Report: viii, 120 p.; Downloads Directory
Country United States
State Colorado
Online Only (Y/N) Y
Additional Online Files (Y/N) Y
Google Analytic Metrics Metrics page