T238 Geologic History and Processes of the Colorado River

Wednesday, 10 November 2004
1:30 PM - 5:30 PM

Presentations

• 1:30 PM
  MIOCENE DRAINAGE HISTORY OF WESTERN GRAND CANYON, AZ
  Richard A. Young, State Univ of New York at Geneseo, Geneseo, NY
  74816 (Technical Sessions)
• 1:45 PM
  HISTORY OF HEADWARD EROSION OF THE GRAND CANYON FROM A STUDY OF SPELEOTHEMS
  Victor J. Polyak, Univ of New Mexico, Albuquerque, NM and Carol A. Hill, Univ of New Mexico, Albuquerque, NM and Yemane Asmerom, Univ of New Mexico, Albuquerque, NM
  80054 (Technical Sessions)
• 2:00 PM
  ALLUVIAL AND LACUSTRINE STRATIGRAPHIC EVIDENCE FOR THE LATE NEOGENE INCEPTION AND EARLY EVOLUTION OF THE LOWER COLORADO RIVER IN THE VICNITY OF PYRAMID CANYON, NEVADA / ARIZONA
  P. Kyle House, Univ of Nevada, Reno, NV and Philip A. Pearthree, Arizona Geol Survey, Tucson, AZ and James E. Faulds, Univ of Nevada, Reno, NV and John Bell, Univ of Nevada, Reno, NV
  79022 (Technical Sessions)
• 2:20 PM
  LATE PLEISTOCENE AGGRADATION AND INCISION OF THE LOWER COLORADO RIVER DOWNSTREAM OF THE GRAND CANYON
  Scott C. Lundstrom, U.S. Geol Survey, Denver, CO and Shannon A. Mahan, U.S. Geol Survey, Denver, CO and James B. Paces, U.S. Geol Survey, Denver, CO and Mark R. Hudson, U.S. Geol Survey, Denver, CO
  78224 (Technical Sessions)
• 2:35 PM
  THE LONGITUDINAL PROFILE OF THE COLORADO RIVER ON THE COLORADO PLATEAU: HOW DEEP IS ALLUVIUM BENEATH THE RIVER?
  R.H. Webb, 520 N. Park Avenue, Tucson, AZ and P.G. Griffiths, 520 N. Park Avenue, Tucson, AZ and J.B. Fleming, 520 N. Park Avenue, Tucson, AZ and J.B. Callegary, 520 N. Park Avenue, Tucson, AZ and C.R. Fenton, 520 N. Park Avenue, Tucson, AZ and T.C. Hanks, Menlo Park, CA
  79691 (Technical Sessions)
• 2:55 PM
  INCISION-RATE UNCERTAINTIES IN THE PRESENCE OF TRANSIENT AGGRADATION AND DEGRADATION OF DEBRIS FILL IN THE RIVER CHANNEL: THE COLORADO RIVER IN GRAND CANYON
  Thomas C. Hanks, U.S. Geol Survey, Menlo Park, CA and Robert H. Webb, U.S. Geol Survey, Tucson, AZ
  76758 (Technical Sessions)
• 3:10 PM
  RELATING ROCK STRENGTH CONTROLS TO LARGE-SCALE VARIATIONS IN THE COLORADO RIVER’S PROFILE, GLEN AND GRAND CANYONS, UT AND AZ
  Rob D. Mackley, Utah State Univ, Logan, UT and Joel Pederson, utah state univeristy, logan, UT
  77705 (Technical Sessions)
• 3:25 PM
  COLORADO RIVER SYSTEM OF THE SOUTHWESTERN U.S.: LONGITUDINAL PROFILES, DIFFERENTIAL INCISION, AND A HYPOTHESIS FOR QUATERNARY TECTONISM AT BOTH ENDS
  Karl E. Karlstrom, Univ of New Mexico, Albuquerque, NM and Eric Kirby, Pennsylvania State Univ, University Park, PA
  80893 (Technical Sessions)
• 3:50 PM
  HOLOCENE AGGRADATION OF THE COLORADO RIVER IN GRAND CANYON
  Sidney W. Davis, Georgetown, CA and Marie E. Davis, Georgetown, CA
  80854 (Technical Sessions)
• 4:05 PM
  MODERN CHANNEL CHANGE IN THE COLORADO RIVER SYSTEM: A MANDATE FOR RESTORATION?
  John C. Schmidt, Utah State Univ, Logan, UT
  81091 (Technical Sessions)
• 4:25 PM
  SEDIMENT ACCUMULATIONS ON THE BOTTOM OF LAKE MEAD: A 70-YEAR RECORD OF DEPOSITIONAL PROCESSES
  David C. Twichell, US Geol Survey, Woods Hole, MA and Andrew D. Hanson, UNLV, Las Vegas, NV and VeeAnn A. Cross, US Geol Survey, Woods Hole, MA and Mark J. Rudin, UNLV, Las Vegas, NV
  75688 (Technical Sessions)
• 4:45 PM
  AT THE END OF THE RIVER: SEDIMENTARY AND BIOTIC EFFECTS OF RIVER MANAGEMENT ON THE COLORADO RIVER DELTA
  Karl W. Flessa, Univ of Arizona, Tucson, AZ and J.D. Carriquiry, Universidad Autónoma de Baja California, Ensenada, B.C, N/A and G.E. Avila-Serrano, Universidad Autónoma de Baja California, Ensenada, B.C, N/A and M.A. Téllez-Duarte, Universidad Autónoma de Baja California, Ensenada, B.C, N/A and C.E. Cintra-Buenrostro, Univ of Arizona, Tucson, AZ and K. Rowell, Univ of Arizona, Tucson, AZ and D.L. Dettman, Univ of Arizona, Tucson, AZ
  77714 (Technical Sessions)
• 5:00 PM
  PONCHO’S RADICAL RUNUP: UNUSUAL ANCIENT GRAND CANYON LANDSLIDE, COLORADO RIVER, ARIZONA
  John E. Warme, Colorado School of Mines, Golden, CO
  75736 (Technical Sessions)
• 5:15 PM
  SPRING AND GAS CHEMISTRY OF TRAVERTINE-DEPOSITING SYSTEMS IN GRAND CANYON AND THE COLORADO PLATEAU: A PALEOHYDROLOGIC RECORD
  Laura J. Crossey, Univ. of New Mexico, Albuquerque, NM and Karl E. Karlstrom, Univ of New Mexico, Albuquerque, NM and Dennis Newell, Univ of New Mexico, Albuquerque, NM and Tobias Fischer, Univ of New Mexico, Albuquerque, NM and David Hilton, Scripps Inst. of Oceanography, La Jolla, CA and P. Jonathan Patchett, University of Arizona, Tucson, AZ and Warren Sharp, Berkeley, CA
  81029 (Technical Sessions)