Correlation between electron spin resonance spectra and oil yield in eastern oil shales |
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| Affiliation: | 1. U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center, 3200 SW Jefferson Way, Corvallis, OR 97331, USA;2. U.S. Geological Survey, Wisconsin Water Science Center, 8505 Research Way, Middleton, WI 53562, USA;3. Colorado Parks and Wildlife, 317 West Prospect Rd., Fort Collins, CO 80526, USA;4. U.S. Geological Survey, Western Ecological Research Center, Dixon Field Station, 800 Business Park Drive, Suite D, Dixon, CA 95620, USA;1. Rutgers, The State University of New Jersey, Department of Earth and Planetary Sciences, 810 Taylor Road, Piscataway, NJ 08854, USA;2. American Museum of Natural History, Department of Earth and Planetary Sciences, New York, NY 10024, USA;3. Lunar and Planetary Institute, Houston, TX 77058, USA;4. Kutztown University of Pennsylvania, Department of Physical Sciences, Kutztown, PA 19530, USA;5. U.S. Geological Survey, Denver, CO 80225, USA |
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| Abstract: | Organic free radical spin concentrations were measured in 60 raw oil shale samples from north Alabama and south Tennessee and compared with Fischer assays and uranium concentrations. No correlation was found between spin concentration and oil yield for the complete set of samples. However, for a 13 sample set taken from a single core hole, a linear correlation was obtained. No correlation between spin concentration and uranium concentration was found. |
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