Hydrogeochemical exploration for Mississippi valley-type deposits, Arkansas, U.S.A. |
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| Authors: | Kenneth F Steele TF Dilday III |
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| Institution: | 1. Department of Geology, University of Arkansas, Fayetteville, AR 72701, U.S.A.;2. Exxon Company, U.S.A., Houston, TX 77001, U.S.A. |
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| Abstract: | Three areas located in northern Arkansas, U.S.A., representing differing host rock and mineralization, were selected to investigate the usefulness of hydrogeochemical exploration for Mississippi Valley-type Pb-Zn mineralization. Despite the geologic differences among the areas, there were no great differences in groundwater chemistry and threshold values. Anomalous Pb concentrations, and also anomalous Zn concentrations to a lesser extent, are useful in detecting the Pb-Zn mineralized areas; however, specific deposits could not be located. Because of the low threshold values (about 20 μg/1) for Pb and Zn, spring water must be utilized in order to avoid plumbing contamination. |
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