首页> 美国政府科技报告 >Depositional Systems of a Synorogenic Continental Deposit. The Upper Paleocene and Lower Eocene Wasatch Formation in the Powder River Basin, Northeast Wyoming (Chapter H). Evolution of Sedimentary Basins, Powder River Basin
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Depositional Systems of a Synorogenic Continental Deposit. The Upper Paleocene and Lower Eocene Wasatch Formation in the Powder River Basin, Northeast Wyoming (Chapter H). Evolution of Sedimentary Basins, Powder River Basin

机译:synorogenic大陆矿床的沉积系统。怀俄明州东北部粉河盆地上古新世和下始新世瓦什奇组(第H章)。粉河盆地沉积盆地演化

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The synorogenic fluvial and paludal rocks of the upper Paleocene and lower Eocene Wasatch Formation in the Powder River Basin contain large deposits of coal and uranium. These rocks also record the culmination of Laramide tectonic events marked by subsidence in the basin and uplift of the bounding structures. The study establishes the early Eocene plaeogeography of the basin using a two-part approach consisting of (1) sedimentary particle-shape and -size analysis, and (2) paleocurrent studies.

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