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Late Quaternary Geochronologic, Stratigraphic, And Sedimentologic Framework Of The Trinity River Incised Valley: East Texas Coast, Matthew Gene Garvin
Late Quaternary Geochronologic, Stratigraphic, And Sedimentologic Framework Of The Trinity River Incised Valley: East Texas Coast, Matthew Gene Garvin
LSU Master's Theses
Optically stimulated luminescence dates from the last glacial period falling–stage and lowstand Deweyville deposits along the Trinity River valley in Texas provided insight to their timing of deposition and allogenic controls on fluvial processes. Three distinguishable periods of incision and lateral channelbelt migration were the effect of both lowered sea levels and climate controlling factors within the drainage basin. Valley widening and deposition of the High, Middle, and Low Deweyville units were constructed and subsequently preserved as fluvial terraces during oxygen isotope stages (OIS) 3 through 2, from 65–32.5 ka, 32.5–23 ka, and 23–16 ka respectively. Although numerous workers using …