GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 63
Sunday, 22 September 2019: 1:30 PM-5:30 PM
Room 229A, North Building (Phoenix Convention Center)

T71. The New Appalachians: Cenozoic Deformation, Drainage Reorganization, and Landscape Disequilibrium in a Paleozoic Orogen

GSA Structural Geology and Tectonics Division

 

Kevin G. Stewart and Mervin J. Bartholomew, Advocates
Paper #
Start Time
1:30 PM
RELIC APPALACHIAN UPLANDS ALONG THE NEW RIVER – TENNESSEE RIVER DRAINAGE DIVIDE
BARTHOLOMEW, Mervin J., Earth Sciences, University of Memphis, Memphis, TN 38152 and KWON, Youngsang, Earth Sciences, University of Memphis, 235 Johnson Hall, Memphis, TN 38152
1:45 PM
GEOMORPHOLOGICAL RESPONSES TO CENOZOIC SLIP ON THE BOONE FAULT
HILL, Jesse S., North Carolina Geological Survey, 2090 US-70, Swannanoa, NC 28788 and STEWART, Kevin G., Department of Geological Sciences, University of North Carolina, 104 South Road, Chapel Hill, NC 27599
2:00 PM
GEOMORPHIC NOISE AND THE CASE FOR ACTIVE TECTONIC UPLIFT OF THE APPALACHIAN MOUNTAINS (Invited Presentation)
SPOTILA, James A., Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, PRINCE, Philip, Division of Geology and Mineral Resources, Virginia Department of Mines, Minerals, and Energy, 900 Natural Resources Drive, Suite 500, Charlottesville, VA 22903 and CHILTON, Kristin D., Geosciences, Virginia Polytechnic Institute and State University, 1405 Perry Street, Blacksburg, VA 24061
2:20 PM
LATE CENOZOIC DRAINAGE REORGANIZATION OF FORMER ST. LAWRENCE DRAINAGE LEFT A LEGACY OF ON-GOING DISEQUILIBRIA IN UPPER OHIO RIVER BASIN FLUVIAL AND COLLUVIAL SYSTEMS (Invited Presentation)
KITE, J. Steven, Geology & Geography, West Virginia University, Morgantown, WV 26506-6300 and SWIFT, Mark D., Department of Music, Washington & Jefferson College, 60 S. Lincoln St., Washington, PA 15301; Geology & Geography, West Virginia University, Morgantown, WV 26506-6300
Handouts
  • KiteSwift_2019_GSA_SessionT71_220_Mon_p8m21SepRev11Oct.pdf (7.1 MB)
  • 2:40 PM
    EXPLORING THE EXTENT OF CENOZOIC CENTRAL APPALACHIAN EXHUMATION USING TARGETED LOW-TEMPERATURE APATITE (U-TH)/HE THERMOCHRONOLOGY
    BAUGHMAN, Jaclyn S.1, FAME, Michelle1, HAPROFF, Peter J.2, BASLER, Luke1 and ORTIZ, Shona1, (1)Earth and Oceanographic Science, Bowdoin College, Brunswick, ME 04011, (2)Earth and Ocean Sciences, University of North Carolina at Wilmington, Wilmington, NC 28403
    2:55 PM
    DATING A MID-PLIOCENE AGGRADATIONAL EPISODE AND SUBSEQUENT RIVER INCISION IN THE SHENANDOAH VALLEY WITH COSMOGENIC 26AL AND 10BE
    ODOM III, William E., Earth, Atmospheric, and Planetary Sciences, Purdue University, 550 Stadium Mall Dr., West Lafayette, IN 47907, GRANGER, Darryl E., Earth Atmospheric and Planetary Sciences, Purdue University, 550 Stadium Mall Dr., West Lafayette, IN 47907 and DOCTOR, Daniel H., U.S. Geological Survey, 12201 Sunrise Valley Drive, MS 926A, Reston, VA 20192
    3:10 PM
    RELICT APPALACHIAN UPLANDS IN THE NORTHERN VIRGINIA BLUE RIDGE
    EVANS, Mark A., Department of Geological Sciences, Central Connecticut State University, 1615 Stanley Street, New Britain, CT 06050 and BARTHOLOMEW, Mervin J., Earth Sciences, University of Memphis, Memphis, TN 38152
     
    3:25 PM
    Break
    3:40 PM
    MODERN APPALACHIAN TOPOGRAPHY, PRODUCT OF MIOCENE TO RECENT UPLIFT: NOT A RELIC OF PALEOZOIC OROGENY, AND NOT THE “WORLD’S OLDEST MOUNTAIN CHAIN” (Invited Presentation)
    HATCHER Jr., Robert D., Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996 and PROWELL, David C., 555 Spence Rd, Fairburn, GA 30213
    4:00 PM
    POSSIBLE CONTRIBUTION TO SOUTHERN BLUE RIDGE RELIEF FROM QUATERNARY FAULTING IN THE EASTERN TENNESSEE SEISMIC ZONE
    COX, Randel Tom, Earth Sciences, University of Memphis, Johnson Hall, Memphis, TN 38152, HATCHER Jr., Robert D., Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996, FORMAN, Steven L., Institute of Archaeology, Baylor University, Waco, TX 76798 and COUNTS, Ronald C., Mississippi Mineral Resources Institute/Dept. of Geology and Geological Engineering, University of Mississippi, Brevard Hall, Oxford, MS 38677
    Handouts
  • Cox et al 2019 GSA.pptx (32.9 MB)
  • 4:15 PM
    RELATING LIDAR LINEAMENTS TO BEDROCK STRUCTURES IN THE PANTHERTOWN VALLEY AND HICKORY NUT GORGE AREAS OF THE SOUTHWESTERN NORTH CAROLINA BLUE RIDGE
    WATERS-TORMEY, Cheryl, HARTMAN, Courtney, COTTINGHAM, Kevin, MOORER, Samuel T. and KINNER, David, Geosciences and Natural Resources, Western Carolina University, Cullowhee, NC 28723
    4:30 PM
    RIVER EROSION AND BLUE RIDGE ESCARPMENT EVOLUTION IN THE JOCASSEE GORGES AREA OF WESTERN NORTH CAROLINA AND NORTHWESTERN SOUTH CAROLINA, USA
    RANSON, William A.1, LITTLE, Sarina Basile2, LASLEY, Camille1, WHEELER, Jessica A.1, SKIPPER, Hannah1 and JARVIS, Egan1, (1)Earth & Environmental Sciences, Furman University, 3300 Poinsett Highway, Greenville, SC 29613, (2)Geological Sciences, University of North Carolina, 104 South Road, Mitchell Hall, Campus Box #3315, Chapel Hill, NC 27599
    4:45 PM
    THE ROLE OF JOINT-SET ORIENTATIONS, UPPER-CRUSTAL ARCHITECTURE, AND PALEOSEISMICITY IN MEGA-LANDSLIDE EVENTS IN THE NORTHEASTERN ALABAMA, SOUTHERN APPALACHIAN FOLD AND THRUST BELT
    MCKAY, Matthew P., Department of Geography, Geology, and Planning, Missouri State University, 901 S. National Ave, Springfield, MO 65897 and JACKSON Jr., William T., Department of Earth Sciences, University of South Alabama, Mobile, AL 36608
    5:00 PM
    EXPLORING RELIC LANDSCAPES ON TOP OF SAND MOUNTAIN AND LOOKOUT MOUNTAIN TO UNDERSTAND LINKS BETWEEN UPPER-CRUSTAL ARCHITECTURE AND TECTONIC GEOMORPHOLOGY IN THE SOUTHERN APPALACHIAN FORELAND THRUST BELT AND PLATEAU
    JACKSON Jr., William T., Department of Earth Sciences, University of South Alabama, Mobile, AL 36608 and COOK, Brian, Geological Survey of Alabama, P.O. Box 869999 Tuscaloosa, AL 35486
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