Pre-Laramide salt tectonics in the Eagle Basin : a new paradigm for the tectonic evolution of central Colorado
Combined field mapping, measured stratigraphic sections, and balanced cross-sections of the Pennsylvanian-aged Eagle Valley Evaporite and overlying Late Pennsylvanian- to Jurassic-aged strata indicate a long-lived phase of salt tectonics in the Eagle Basin, central Colorado. Diapiric salt structures exposed at the surface represent a series of formerly connected, polygonal salt walls flanked by deep, elongate minibasins in the southern part of the basin. Previous work in this area has interpreted these structures to be the result of the Laramide Orogeny and younger tectonism; however, this phase ...
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