Relative Role of Eustacy, Climate, and Tectonism in Continental Rocks
Relative Role of Eustasy, Climate, and Tectonism in Continental Rocks - The renaissance in stratigraphy over the last two decades has been largely driven by the belief that stratigraphic packaging is determined by allocyclic controls. An understanding of the controls on stratigraphy allows us to make better predictions
Evolution of a Braided River System: The Salt Wash Member of the Morrison Formation (Jurassic) in Southern Utah
Published:January 01, 1998
John W. Robinson, Peter J. McCabe, 1998. "Evolution of a Braided River System: The Salt Wash Member of the Morrison Formation (Jurassic) in Southern Utah", Relative Role of Eustacy, Climate, and Tectonism in Continental Rocks, Gary Kocurek
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The Salt Wash Member of the Upper Jurassic Morrison Formation in the Henry Mountain region of southern Utah is up to 160 m thick and consists of sandstones, interpreted as fluvial-channel deposits, and mudrocks, interpreted as overbank or abandoned channel-fill deposits. The strata are interpreted to have been deposited by a braided river system based on the high sandstone:mudrock ratio, the paucity of ripple lamination in the upper part of fining-upward units, the coarse grain size of many of the sandstones, a lack of lateral accretion bedding, the sheetlike nature of the sandstone bodies and the low dispersion of...