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Self-potential (SP) data collected in a mine-impacted wetland near Silverton, Colorado in September 2019

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2022-05-03T00:00:00Z
This child item contains self-potential (SP) data collected over a small alpine wetland between Mogul Mine and Cement Creek located near Silverton, Colorado. Mine-impacted water is transported to Cement Creek via surface channels and groundwater through this wetland. The SP method measures passive voltages in the subsurface using a high impedance voltmeter with one fixed electrode at a base station and one mobile electrode. Strong self-potential anomalies have been associated with ore bodies and sharp redox fronts. Data were collected with an Agilent U1252B multimeter with STELTH3 Ag-AgCl Model SRE-011-SPB porous pot electrodes. Additional details are contained in the ‘readme.txt’ file within this directory.

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