Arizona Geological Survey DIGITAL MAP DM-RM-03
DIGITAL MAP DM-RM-03 Arizona Geological Survey 416 W. Congress St., Ste. 100, Tucson, AZ 85701 www.azgs.az.gov MAPPING OF HOLOCENE RIVER ALLUVIUM ALONG OAK CREEK, WET BEAVER CREEK, WEST CLEAR CREEK, FOSSIL CREEK, AND THE EAST VERDE RIVER, CENTRAL ARIZONA J.P. Cook, P.A. Pearthree, J.A. Onken, E.R. Bigio 2010 Mapping of Holocene River Alluvium along Oak Creek, Wet Beaver Creek, West Clear Creek, Fossil Creek, and the East Verde River, Central Arizona by Joseph P. Cook, Philip A. Pearthree, Jill A. Onken, Erica R. Bigio Report to the Adjudication and Technical Support Unit Surface Water Division Arizona Department of Water Resources Map Scale 1:24,000 (12 sheets), 40 p. October 2010 Arizona Geological Survey 416 W Congress St., #100, Tucson, AZ 85701 Table of Contents Introduction 1 Surficial geologic mapping methods 1 Mapping criteria 1 Development of the Verde River, major tributaries, and ages of river deposits 3 Mapping the extent of Holocene floodplain alluvium 5 Field data collection and access 5 Geologic contacts 6 Extent of Holocene river floodplain alluvium 14 Geology and geomorphology of Oak Creek, Wet Beaver Creek, West Clear Creek, Fossil Creek, and the East Verde River 16 Oak Creek 16 Wet Beaver Creek 17 West Clear Creek 17 Fossil Creek 18 East Verde River 18 Fluvial geomorphology 19 Modern channel conditions 21 Geoarchaeological Evaluation of Verde River Tributaries 22 Methods 22 Results 23 Discussion 26 Map units 28 Surficial deposits 28 o Other units 28 Oak Creek, Wet Beaver Creek, West Clear Creek, Fossil
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