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Alluvial Facies Architecture and the Role of Climate and Tectonics in Basin-Fan Systems, Death Valley, CA Jeffrey R. Knott Dept. of Geological Sciences, California State University, Fullerton, Fullerton, CA 92834 This study seeks to understand the relative rates of alluvial fan progradation and transgression by detailed mapping, facies analysis and geochronology using a combination of tephrochronology and paleomagnetics. We have tentatively identified a previously unknown normal subchron within the Matuyama Chron at Mormon Point between the 0.78 Ma Bishop ash bed and 0.8 Ma upper tuffs of Glass Mountain (right). Joe Liddicoat and Brian Jacobson, CSUF undergraduate student, sampling for paleomagnetics in the Kit Fox Hills, Death Valley. At Zabriskie Wash and Kit Fox Hills, we’ve tentatively identified the Ma Mammoth Subchron and the lower Gauss Chron. This allows temporal correlation of these two stratigraphic sections and defines ancient Lake Manly. Joe Liddicoat and Brian Jacobson, CSUF undergraduate student, sampling for paleomagnetics in Zabriskie Wash, Death Valley.
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