Direct-current vertical electrical-resistivity soundings in the Lower Peninsula of Michigan

D.B. Westjohn; P.J. Carter

doi:10.3133/ofr89244

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Direct-current vertical electrical-resistivity soundings in the Lower Peninsula of Michigan

D.B. Westjohn·P.J. Carter

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Abstract

Ninety-three direct-current vertical electrical-resistivity soundings were conducted in the Lower Peninsula of Michigan from June through October 1987. These soundings were made to assist in mapping the depth to brine in areas where borehole resistivity logs and water-quality data are sparse or lacking. The Schlumberger array for placement of current and potential electrodes was used for each sounding. Vertical electrical-resistivity sounding field data, shifted and smoothed sounding data, and electric layers calculated using inverse modeling techniques are presented. Also included is a summary of the near-surface conditions and depths to conductors and resistors for each sounding location.

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Source-reported bounding extent: 42.04521345501039° to 44.68427737181225° latitude; -86.4898681640625° to -82.6666259765625° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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D.B. Westjohn, P.J. Carter. 1989. Direct-current vertical electrical-resistivity soundings in the Lower Peninsula of Michigan. https://doi.org/10.3133/ofr89244

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