Session No. 68
Sunday, 27 October 2013: 1:00 PM-5:00 PM
Colorado Convention Center Mile High Ballroom 3C

T21. Peaks to Plains: Late Cenozoic Landscape Evolution of the Rocky Mountains and Western Great Plains

GSA Sedimentary Geology Division

 

Margaret E. McMillan and Eric M. Leonard, Advocates
Paper #
Start Time
 
1:00 PM
Introductory Remarks
1:05 PM
INSIGHTS INTO CENOZOIC LANDSCAPE EVOLUTION OF THE ROCKY MOUNTAIN-HIGH PLAINS REGION BASED ON THERMOCHRONOMETRIC DATA FROM SOUTHWESTERN COLORADO
KELLEY, Shari A., New Mexico Bureau of Geology and Mineral Resources, New MexicoTech, 801 Leroy Place, Socorro, NM 87801, sakelley@gis.nmt.edu, CATHER, Steven M., New Mexico Bureau of Geology and Mineral Resources, New Mexico Tech, 801 Leroy Pl, Socorro, NM 87801, CHAPIN, Charles E., New Mexico Bureau of Geology, New Mexico Institute of Mining and Technology, Socorro, NM 87801, GARCIA, Rebecca V., Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM 87801, FELDMAN, Josh, Geology, University of Kansas, 2335 Irving Hill Rd, Rm. 357, Lawrence, KS 66045, KARLSTROM, Karl E., Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, and STOCKLI, Daniel F., Department of Geological Sciences, University of Texas at Austin, Austin, TX 78712
1:40 PM
LATE MIOCENE ATMOSPHERIC CIRCULATION AND HIGH TOPOGRAPHY IN THE CENTRAL ROCKY MOUNTAINS: CONSTRAINTS FROM INTEGRATED CARBONATE CLUMPED ISOTOPE AND VOLCANIC GLASS HYDROGEN ISOTOPE STUDIES
FAN, Majie1, HOUGH, Brian1, and PASSEY, Benjamin2, (1) Department of Earth and Environmental Sciences, University of Texas at Arlington, Arlington, TX 76019, mfan@uta.edu, (2) Earth and Planetary Sciences, Johns Hopkins University, 129 Olin Hall, 3400 N. Charles St, Baltimore, MD 21218
1:55 PM
SPATIAL VARIATION IN 10BE EROSION RATES AND INCREASING RELIEF IN THE SOUTHERN ROCKY MOUNTAINS
DETHIER, D.P., Dept. Geosciences, Williams College, Williamstown, MA 01267, ddethier@williams.edu, OUIMET, William B., Geography, University of Connecticut, Beach Hall, Unit 2045, Storrs, CT 06269-4148, BIERMAN, Paul R., Geology Department and Rubenstein School of Environment and Natural Resources, University of Vermont, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, ROOD, Dylan H., AMS Laboratory, Scottish Universities Environmental Research Centre (SUERC), East Kilbride, G75 0QF, United Kingdom, and BALCO, Greg, Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709
2:10 PM
LATE CENOZOIC LANDSCAPE EVOLUTION ALONG THE WESTERN SLOPE OF THE COLORADO ROCKIES: A ROLE FOR DIFFERENTIAL ROCK UPLIFT DRIVEN BY BUOYANT MANTLE
KIRBY, Eric, College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Wilkinson 202D, Corvallis, OR 97331, eric.kirby@geo.oregonstate.edu, ASLAN, Andres, Physical and Environmental Sciences, Colorado Mesa University, 1100 North Ave, Grand Junction, CO 81501, KARLSTROM, Karl E., Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, ROSENBERG, Russell, Dept of Geosciences, Penn State Univeristy, University Park, PA 16802, KELLEY, Shari, Earth and Environmental Science, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801-4796, and HEIZLER, Matthew T., New Mexico Bureau of Geology & Mineral Resources, New Mexico Institute of Mining & Technology, Socorro, NM 87801
2:30 PM
SEDIMENT FLUX AND CENOZOIC INCISION OF THE NORTH AMERICAN HIGH PLAINS
WOBUS, Cameron, Stratus Consulting, 1881 Ninth St, Suite 201, Boulder, CO 80302, cameron.wobus@stratusconsulting.com, TUCKER, Gregory E., CIRES and Department of Geological Sciences, University of Colorado, Campus Box 399, 2200 Colorado Avenue, Boulder, CO 80309-0399, and ANDERSON, Robert S., Department of Geological Sciences and INSTAAR, University of Colorado, Boulder, CO 80309
 
2:50 PM
Break
3:05 PM
YOUNG STRATH TERRACES ON WESTERN HIGH PLAINS RECORD CLIMATE-PACED VARIATIONS IN SEDIMENT SUPPLY FROM COLORADO FRONT RANGE RIVERS
FOSTER, Melissa A., INSTAAR and Department of Geological Sciences, University of Colorado at Boulder, Boulder, CO 80309, melissa.a.foster@colorado.edu, DÜHNFORTH, Miriam, Dept. of Earth and Environmental Sciences, Ludwig- Maximilians-University, 80333, Munich, Germany, and ANDERSON, Robert S., Department of Geological Sciences and INSTAAR, University of Colorado, Boulder, CO 80309
3:20 PM
INTERPRETING CLIMATE-MODULATED PROCESSES OF TERRACE DEVELOPMENT ALONG THE COLORADO FRONT RANGE USING A LANDSCAPE EVOLUTION MODEL
LANGSTON, Abigail L., Geological Sciences, University of Colorado, 2200 Colorado Ave, Box 399, Boulder, CO 80309, abigail.langston@colorado.edu, TUCKER, Gregory E., CIRES and Department of Geological Sciences, University of Colorado, Campus Box 399, Boulder, CO 80309, and ANDERSON, Robert S., Department of Geological Sciences and INSTAAR, University of Colorado, Boulder, CO 80309
3:35 PM
INDICATIONS OF RAPID GEOMORPHIC RESPONSE OF THE SOUTH PLATTE RIVER SYSTEM IN EASTERN COLORADO DURING THE LATE PLEISTOCENE–HOLOCENE TRANSITION
BERRY, Margaret E., U.S. Geological Survey, P.O. Box 25046, DFC, MS 980, Denver, CO 80225, meberry@usgs.gov, SLATE, Janet L., U.S. Geological Survey, Box 25046, DFC, MS 406, Denver, CO 80225, and HANSON, Paul R., School of Natural Resources, University of Nebraska-Lincoln, 3310 Holdrege Street, Lincoln, NE 68583
3:50 PM
THE IMPLICATIONS OF DRAINAGE REORGANISATION FOR ‘SURFACE TILTING’ OF THE GREAT PLAINS, USA
MCCANN, Louise A., School of Geosciences, University of Edinburgh, Geography Building, Drummond Street, Edinburgh, EH8 9XP, United Kingdom, l.a.mccann@sms.ed.ac.uk, SINCLAIR, Hugh D., School of GeoSciences, University of Edinburgh, Kings Buildings, West Mains Road, Edinburgh, EH9 3JW, United Kingdom, ATTAL, Mikael, School of GeoSciences, Univ Edinburgh, Drummond Street, Edinburgh, EH8 9XP, United Kingdom, MUDD, Simon Marius, School of GeoSciences, University of Edinburgh, Drummond Street, Edinburgh, EH8 9XP, United Kingdom, and STUART, Finlay M., Scottish Universities Environmental Research Centre (SUERC), East Kilbride, G75 0QF, United Kingdom
4:05 PM
LATE EOCENE AND EARLY OLIGOCENE TOPOGRAPHY OF THE WESTERN GREAT PLAINS
EVANOFF, Emmett, Earth Sciences, University of Northern Colorado, Campus Box 100, Greeley, CO 80639, emmett.evanoff@unco.edu
4:20 PM
EARLY CENOZOIC EROSION RATES OF THE BLACK HILLS, SOUTH DAKOTA
RAHN, Perry H., Geology & Geological Engineering, South Dakota School of Mines & Technology, Rapid City, SD 57701, perry.rahn@sdsmt.edu and LISENBEE, Alvis L., Department of Geology and Geological Engineering, South Dakota School of Mines and Technology, 501 E. St. Joseph St, Rapid City, SD 57701
 
4:35 PM
Discussion
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