Assessing rare earth element concentrations in geothermal and oil and gas produced waters: A potential domestic source of strategic mineral commodities

This study considered 224 water samples from new and archived collections matching 101 new rock samples. The study found that aqueous REEs occur at trace levels in all analyzed samples, and sometimes exceed ocean REE concentrations by a factor of 1,000. No significant predictive relationship to lithology category, reservoir temperature, nor salinity was discovered, but aqueous REE concentration appears spatially controlled. The study suggested that future research should aim to identify this predictive relationship.


Produced water going through a filter

       University of Wyoming           center of excellence in  produced water management                                                               USGS                         
                                                       Idaho National Lab
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