Geological Society of America

8:20 AM

ORIGIN OF THE BLUE RIDGE ESCARPMENT ALONG THE PASSIVE MARGIN OF EASTERN NORTH AMERICA

James A. Spotila, Virginia Polytechnic Institute and State Univ, Blacksburg, VA and Greg C. Bank, Advanced Rscs Int'l, Inc, Arlington, VA

70025 (THEME SESSIONS)

8:40 AM

THE FINGER LAKES: A LONGER LOOK

Arthur L. Bloom, Cornell Univ, Ithaca, NY

69026 (THEME SESSIONS)

9:00 AM

EROSION OF THE SUSQUEHANNA RIVER BASIN: ASSESSING RELATIONS BETWEEN 10BE-DERIVED EROSION RATES AND BASIN CHARACTERISTICS

Joanna M. Reuter, Univ of Vermont, Burlington, VT and Paul R. Bierman, Univ of Vermont, Burlington, VT and Milan Pavich, U.S. Geol Survey, Reston, VA and Allen C. Gellis, U. S. Geol Survey, Baltimore, MD and Jennifer Larsen, Univ of Vermont, Burlington, VT and Robert C. Finkel, Lawrence Livermore National Lab, Livermore, CA

70219 (THEME SESSIONS)

9:20 AM

TIMESCALES OF CLAY-MINERAL FORMATION IN SOUTHERN APPALACHIAN REGOLITH FROM GEOCHEMICAL MASS BALANCE

Jason Price, Wayne State College Dept. of Phys. Sci. & Math, Wayne, NE and Michael A. Velbel, Michigan State Univ, East Lansing, MI

70340 (THEME SESSIONS)

10:00 AM

GREAT FALLS IS 30,000 YEARS OLD - EPISODIC INCISION ALONG THE POTOMAC RIVER REVEALED USING FIELD MAPPING AND 10-BE ANALYSIS

Paul Bierman, Univ of Vermont, Burlington, VT and Luke Reusser, Univ of Vermont, Burlington, VT and Milan Pavich, U.S. Geol Survey, Reston, VA and E.-an Zen, Univ of Maryland, College Park, MD and Jennifer Larsen, Univ of Vermont, Burlington, VT and Robert Finkel, Lawrence Livermore National Laboratories, Livermore, CA

69763 (THEME SESSIONS)

10:20 AM

CLIMATE-DRIVEN BEDROCK CHANNEL INCISION OF THE SUSQUEHANNA RIVER, HOLTWOOD GORGE, PENNSYLVANIA: REGIONAL SIMILARITIES

Lucas Reusser, Unviersity of Vermont, Burlington, VT and Paul Bierman, Univ of Vermont, Burlington, VT and Milan Pavich, U.S. Geol Survey, Reston, VA and E.-an Zen, Univ of Maryland, College Park, MD and Jennifer Larsen, Univ of Vermont, Burlington, VT and Robert Finkel, Lawrence Livermore National Laboratory, Livermore, CA

70455 (THEME SESSIONS)

10:40 AM

10BE DATING OF RIVER TERRACES REVEALS PIEDMONT LANDSCAPE DISEQUILIBRIUM IN THE CENTRAL JAMES RIVER BASIN, VIRGINIA

Gregory S. Hancock, College of William and Mary, Williamsburg, VA and David J. Harbor, Washington and Lee Univ, Lexington, VA and Jonathan Felis, College of William & Mary, Williamsburg, VA and John Turcotte, College of William and Mary, Williamsburg, VA

70543 (THEME SESSIONS)

11:00 AM

EROSION BY KNICKPOINT RETREAT IN THE UPPER JAMES RIVER BASIN

David J. Harbor, Washington and Lee Univ, Lexington, VA and Jackson Rogers, Washington and Lee Univ, Lexington, VA and Andrew Heath, Washington and Lee Univ, Lexington, VA and Amy Bacastow, Washington and Lee Univ, Lexington, VA

71033 (THEME SESSIONS)

11:20 AM

SEDIMENTARY CHARACTERISTICS OF LATE PLEISTOCENE PERIGLACIAL STRATIFIED-SLOPE DEPOSITS IN THE BLUE RIDGE OF CENTRAL VIRGINIA

Joseph P. Smoot, US Geol Survey, Reston, VA

70146 (THEME SESSIONS)

11:40 AM

MIGRATING LANDFORM PATTERNS THROUGH TIME: LANDSCAPE EVOLUTION IN THE KENTUCKY RIVER VALLEY

William Andrews, Univ of Kentucky, Lexington, KY

70419 (THEME SESSIONS)

35 Geomorphic Process Rates on the Passive Margin

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