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Depositional environments of oil shale in the Green River Formation, Douglas Creek Arch, Colorado and Utah | 1985 | depositional environments; oil shale; Green River Formation; Douglas Creek Arch; stratigraphy | Douglas Creek arch in western Colorado and eastern Utah separates the Uinta and Piceance Creek basins. During deposition of the lower part of the Eocene Green River Formation, the arch provided a physical barrier dividing ancient Lake Uinta into two segments. As the lake expanded, the arch became a ... |
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Hypotheses of oil-shale genesis, Green River Formation, northeast Utah, northwest Colorado, and southwest Wyoming | 1985 | oil shale; Green River Formation; tar sandstone | In the six decades or so of oil-shale studies on the Green River Formation (Paleocene/Eocene) in northeast Utah, northwest Colorado, and southwest Wyoming, two alternative hypotheses for the paleoenvironment have dominated the literature: (1) a stratified lake in which anaerobic conditions in the hy... |