Frequency domain electromagnetic induction (FDEM) data collected around mine-impacted streams near Silverton, Colorado in September 2019 and 2021 (ver. 2.0, May 2022)

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: July 17, 2025 | Last Modified: 20220503

This child item contains frequency domain electromagnetic induction (FDEM) data collected along and around Cement Creek California Gulch, and the Animas River near Silverton, Colorado in support of other data collected at the site. The FDEM tool generates an EM field and measures eddy currents generated by conductive and/or magnetic materials in the subsurface in response to the applied field. A Geophex GEM-2 instrument with GPS was used with frequencies ranging from 450 Hz to 47970 Hz. Additional details are contained in the ‘readme.txt’ files within each zip data directory.

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Complete Metadata

@id	http://datainventory.doi.gov/id/dataset/e59169de262ed13c139c691a07e327f6
bureauCode	[ "010:12" ]
identifier	USGS:5e82a8f4e4b01d5092794b89
spatial	-107.659192,37.811161,-107.569008,37.93421
theme	[ "geospatial" ]

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