Session: Structural Geology and Tectonics (Posters) (South-Central Section (37th) and Southeastern Section (52nd), GSA Joint Annual Meeting (March 12

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1

21

RATES OF MODERN SUBSIDENCE ALONG THE LOUISIANA-MISSISSIPPI COAST

DOKKA, Roy K. and SHINKLE, Kurt, Center for GeoInformatics, Department of Civil & Environmental Engineering, Louisiana State University, Baton Rouge, LA 70803, rkdokka@c4g.lsu.edu, rkdokka@c4g.lsu.edu

2

22

IS THERE A SOUTHERN MISSISSIPPI UPLIFT? EVIDENCE FROM GEODETIC LEVELING

SHINKLE, Kurt and DOKKA, Roy K., Center for GeoInformatics, Department of Civil & Environmental Engineering, Louisiana State University, Baton Rouge, LA 70803, kshinkle@c4g.lsu.edu, kshinkle@c4g.lsu.edu

3

23

RAPID RIVER INCISION AND KNICKPOINT MIGRATION INFERRED FROM TERRACES DATED USING 10BE, JAMES RIVER, CENTRAL VIRGINIA, USA

FELIS, Jonathan, Department of Geology, College of William and Mary, CSU#0552, PO Box 8793, Williamsburg, VA 23186, HANCOCK, Gregory, Department of Geology, College of William and Mary, McGlothlin St. Hall 216, Williamsburg, VA 23186 and HARBOR, David J., Washington and Lee Univ, Department of Geology, Lexington, VA 24450, jjfeli@wm.edu, jjfeli@wm.edu

4

24

SAND INJECTION FEATURES AT THE CRATER OF DIAMONDS STATE PARK, MURFREESBORO, ARKANSAS

HANSON, William D. and HOWARD, J. Michael, Arkansas Geol Commission, 3815 W. Roosevelt Road, Little Rock, AR 72204, doug.hanson@mail.state.ar.us, doug.hanson@mail.state.ar.us

5

25

SEQUENCING POLYPHASE DEFORMATION WITHIN THE INNER PIEDMONT: FIELD EVIDENCE FROM NEAR MARIETTA, SOUTH CAROLINA

GARIHAN, John M., Department of Earth and Environmental Sciences, Furman Univ, 3300 Poinsett Highway, Greenville, SC 29613 and CLENDENIN, C.W., S. C. Department of Natural Resources, Geol Survey, 5 Geology Road, Columbia, SC 29212, clendenin@dnr.state.sc.us, clendenin@dnr.state.sc.us

6

26

SEQUENCING POLYPHASE DEFORMATION WITHIN THE INNER PIEDMONT: FIELD EVIDENCE FROM NEAR MARIETTA, SOUTH CAROLINA PART 2

CLENDENIN, C.W., S. C. Department of Natural Resources, Geol Survey, 5 Geology Road, Columbia, SC 29212 and GARIHAN, J.M., Department of Earth and Environmental Sciences, Furman Univ, Greenville, SC 29613, jack.garihan@furman.edu, jack.garihan@furman.edu

7

27

GEOLOGIC MAPPING OF THE ANDERSON SOUTH 7.5-MINUTE QUADRANGLE, ANDERSON COUNTY, SOUTH CAROLINA

SORICELLI, Anthony¹, CLENDENIN, C.W.² and CASTLE, James W.¹, (1)Geological Sciences, Clemson Univ, 340 Brackett Hall, Clemson, SC 29634-0919, (2)South Carolina Geol Survey, 5 Geology Road, Columbia, SC 29212, asorice@clemson.edu, asorice@clemson.edu

8

28

TECONIC IMPLICATIONS OF A 369 MA U-PB ZIRCON DATE ON GRANITIC DIKES CUTTING RIGHT-SLIP DUCTILE SHEARS ASSOCIATED WITH THE ALEXANDER CITY FAULT ZONE, ALABAMA

STELTENPOHL, Mark¹, MILLER, Brent² and STERLING, Wes¹, (1)Geology & Geography, Auburn Univ, 215 Petrie Hall, Auburn, AL 36849, (2)Dept. of Geological Sciences, Univ of North Carolina, CB# 3315 Mitchell Hall, Chapel Hill, NC 27599, sterljw@auburn.edu, sterljw@auburn.edu

9

29

THE IMPORTANCE OF STUDYING MESOSCOPIC STRUCTURES FOR UNDERSTANDING EXTENSIONAL TECTONIC REGIMES: EXAMPLES FROM THE AFAR DEPRESSION, ETHIOPIA

MENGESHA, Alebachew Beyene and ABDELSALAM, Mohamed G., Geosciences, Univ of Texas at Dallas, 2601 North Floyd Road, P.O. Box 830688, Richardson, TX 75083-0688, alebam@utdallas.edu, alebam@utdallas.edu

10

30

STRUCTURAL GEOMETRY AND KINEMATICS OF THE SPOTSYLVANIA ZONE, CENTRAL VIRGINIA PIEDMONT

BAILEY, Christopher M., WEBBER, Caroline E., FRANCIS, Barbara E. and FELIS, Jonathan, Dept. of Geology, College of William & Mary, Box 8795, Williamsburg, VA 23187, cew@wm.edu, cew@wm.edu

11

31

STRUCTURAL GEOMETRY OF THE EASTERN BLUE RIDGE PROVINCE, CENTRAL AND NORTHERN VIRGINIA

CHAPMAN, James B., Williamsburg, VA 23187, BAILEY, Christopher M. and GRIFFITH, Ashley, jbchap@wm.edu, jbchap@wm.edu

12

32

KINEMATIC AND GEOCHEMICAL ANALYSIS OF THE LAWHORNE MILL HIGH-STRAIN ZONE, BLUE RIDGE PROVINCE, NELSON COUNTY, VIRGINIA

POLVI, Lina E. and BAILEY, Christopher M., Dept. of Geology, College of William & Mary, Box 8795, Williamsburg, VA 23187, lepolv@wm.edu, lepolv@wm.edu

13

33

FOLDED ORDOVICIAN STRATA IN TEXAS COUNTY, MISSOURI: A RECORD OF INTRAPLATE TECTONIC DEFORMATION OR KARST COLLAPSE?

LAWRENCE, Zachary, Geology and Geophysics, Univ of Missouri-Rolla, 125 McNutt Hall, Rolla, MO 65409, DAVIS, Nathan, Geology and Geophysics, Texas A&M Univ, College Station, TX 77843, HOGAN, John P., Geology & Geophysics, Univ of Missouri-Rolla, 125 McNutt Hall, 1870 Miner Circle, Rolla, MO 65409-0410 and CARDIMONA, Steven J., Earth Science, Mendocino College, 1000 Hensley Creek Road, Ukiah, CA 95482, zsl@umr.edu, zsl@umr.edu

14

34

FAULTING AND POLYPHASE DEFORMATION NEAR MILLCREEK, SOUTHEASTERN MISSOURI

DOLDE, John L., PO Box 510707, St.Louis, MO 63151-0707 and LOWELL, Gary R., Geosciences, Southeast Missouri State Univ, Cape Girardeau, MO 63701, jldolde@semo.edu, jldolde@semo.edu

South-Central Section (37th) and Southeastern Section (52nd), GSA Joint Annual Meeting (March 12–14, 2003)

Structural Geology and Tectonics (Posters)