Session: New Constraints on Mesoproterozoic–Early Neoproterozoic Supercontinent Assembly and Dispersal (2002 Denver Annual Meeting (October 27-30, 2002))

Paper #

Start Time

1

1:30 PM

MEERT, Joseph G., Geological Sciences, Univ of Florida, 274 Williamson Hall, Gainesville, FL 32611, jmeert@geology.ufl.edu, jmeert@geology.ufl.edu

2

1:45 PM

PB ISOTOPES AS A CORRELATION TOOL TO CONSTRAIN RODINIA RECONSTRUCTION

LOEWY, Staci L.¹, CONNELLY, James N.¹ and DALZIEL, Ian W.D.², (1)Department of Geological Sciences, The Univ of Texas at Austin, Austin, TX 78712, (2)Institute for Geophysics, The Univ of Texas at Austin, 4412 Spicewood Springs, Bldg 600, Austin, TX 78759, sloewy@mail.utexas.edu, sloewy@mail.utexas.edu

3

2:00 PM

DID RODINIA HAVE THE SAME SHAPE AS PANGEA AND COLUMBIA?

ROGERS, John J.W., Dept. of Geological Sciences, Univ. North Carolina, Chapel Hill, NC 27599-3315, jrogers@email.unc.edu, jrogers@email.unc.edu

4

2:15 PM

BALTICA AND SIBERIA INVERTED: A NEW RODINIA RECONSTRUCTION LINKING THE BREAK UP OF THE IAPETUS OCEAN AND THE ÆGIR SEA TO THE PERI-GONDWANA EVENTS

HARTZ, Ebbe H., Geological Survey of Norway, Box 5348 Majorstua, Oslo, 0304, Norway and TORSVIK, Trond H., VISTA, Geol Survey of Norway, Leiv Eriksonvei 39, Trondheim, 7491, Norway, ebbe.hartz@ngu.no, ebbe.hartz@ngu.no

5

2:30 PM

NEW PALEOMAGNETIC CONSTRAINTS ON RODINIA CONNECTIONS BETWEEN AUSTRALIA AND LAURENTIA

WINGATE, Michael T.D.¹, PISAREVSKY, Sergei A.¹ and EVANS, David A.D.², (1)Tectonics Special Research Centre, The Univ of Western Australia, 35 Stirling Highway, Nedlands, WA 6009, Australia, (2)Tectonics Special Research Centre, Dept of Geology and Geophysics, Yale Univ, P.O. Box 208109, New Haven, CT 06520-8109, mwingate@tsrc.uwa.edu.au, mwingate@tsrc.uwa.edu.au

6

2:45 PM

LONG-LIVED (1.8-1.0 GA) CONVERGENT OROGEN IN SOUTHERN LAURENTIA - EVALUATION OF THE AUSWUS MODEL FOR RODINIA

KARLSTROM, Karl, Earth and Planetary Sciences, Univ of New Mexico, 200 Yale Blvd. NE, Northrop Hall, Albuquerque, NM 87131 and WILLIAMS, Michael, Department of Geosciences, Univ of Massachusetts, Amherst, MA 01002, kek1@unm.edu, kek1@unm.edu

7

3:00 PM

BREAK-UP AND DISPERSAL OF THE EARLY NEOPROTEROZOIC SIBERIA-LAURENTIA-AUSTRALIA TROIKA

SEARS, James W., Geology Department, Univ of Montana, Missoula, MT 59812 and PRICE, Raymond A., Department of Geological Sciences and Geological Engineering, Queen's Univeristy, Kingston, ON K7L 3N6, Canada, price@geol.queensu.ca, price@geol.queensu.ca

8

3:15 PM

CONFIGURATION OF THE 2.0 - 1.6 GA ACCRETIONARY MARGIN NW OF THE WYOMING PROVINCE: IMPLICATIONS FOR PROTEROZOIC CONTINENTAL RECONSTRUCTIONS

FOSTER, David A.¹, MUELLER, Paul A.¹, HEATHERINGTON, Ann L.¹, VOGL, Jim¹, MEERT, Joseph¹, LEWIS, Reed² and WOODEN, Joseph L.³, (1)Univ Florida, PO Box 112120, Gainesville, FL 32611-2120, (2)Idaho Geological Survey, Univ of Idaho, Moscow, ID 83844, (3)US Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, dfoster@geology.ufl.edu, dfoster@geology.ufl.edu

9

3:30 PM

SOUTHWARD GROWTH OF AUSTRALIA IN THE PALAEO- AND MESOPROTEROZOIC - ACCRETIONARY MARGIN OF A PRE-RODINIAN SUPERCONTINENT?

GILES, David, Australian Crustal Research Centre, School of Geosciences, Monash Univ, PO BOX 28E, Wellington Road, Clayton, 3800, Australia and BETTS, Peter, Australian Crustal Research Centre, School of Geosciences, Monash Univ, Wellington Road, Clayton, 3800, Australia, giles@mail.earth.monash.edu.au, giles@mail.earth.monash.edu.au

10

3:45 PM

PROTEROZOIC OIB MAGMATISM IN THE CABORCA TERRANE, NORTHWESTERN MEXICO

CENTENO-GARCIA, Elena¹, MAYTORENA, Francisco², CALMUS, Thierry³, SOLIS-PICHARDO, Gabriela¹ and LOZANO, Rufino¹, (1)Instituto de Geologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Delegacion Coyoacan, Mexico, 04510, Mexico, (2)Geociencias, CESUES, Ley Federal del Trabajo y Yañez, Hermosillo, Sonora, 83100, Mexico, (3)Estacion Regional del Noroeste, Instituto de Geologia, UNAM, Apartado Postal 1039, Hermosillo, Sonora, Mexico, centeno2@prodigy.net.mx, centeno2@prodigy.net.mx

11

4:00 PM

GRENVILLE DEFORMATION OF THE WESTERN AMAZON CRATON; STRUCTURAL AND METAMORPHIC ASYMMETRY IN A COLLISIONAL OROGEN

TOHVER, Eric¹, VAN DER PLUIJM, B.A.¹ and MEZGER, Klaus², (1)Department of Geological Sciences, Univ of Michigan, 2534 C.C. Little Bldg, Ann Arbor, MI 48109-1063, (2)Institut Mineralogie, Universitaet Muenster, Corrensstraße 24, Muenster, 48149, Germany, etohver@umich.edu, etohver@umich.edu

12

4:15 PM

SUPERCONTINENT BREAKUP, DIACHRONOUS RIFTING, AND DISPERSAL OF MICROCONTINENTS: THE LAURENTIAN MARGIN OF IAPETUS

THOMAS, William A., Univ of Kentucky, Lexington, KY 40506 and ASTINI, Ricardo A., Cátedra de Estratigrafía y Geología Histórica, Universidad Nacional de Córdoba, Av. Vélez Sársfield 299, CC 395, Córdoba, 5000, Argentina, geowat@pop.uky.edu, geowat@pop.uky.edu

13

4:30 PM

EARLY GONDWANIAN AFFINITY OF THE ARGENTINE PRECORDILLERA: EVIDENCE FROM U-PB GEOCHRONOLOGY OF DETRITAL ZIRCON POPULATIONS FROM CAMBRIAN AND ORDOVICIAN SANDSTONES

FINNEY, Stanley C., Department of Geological Sciences, California State Univ-Long Beach, Long Beach, CA 90840-3902, GLEASON, James D., Geological Sciences, Univ Michigan - Ann Arbor, 425 E University Ave, Ann Arbor, MI 48109-1063, GEHRELS, George, Department of Geosciences, Univ of Arizona, Tucson, AZ 85721 and PERALTA, Silvio H., CONICET e Instituto de Geologia, Universidad Nacional de San Juan, Cereseto y Meglioli - C.P. (5401), San Juan, 5400, Argentina, scfinney@csulb.edu, scfinney@csulb.edu

14

4:45 PM

PRELIMINARY PALEOMAGNETIC DATA FROM THE UPPER VINDHYAN SUPERGROUP OF PENINSULAR INDIA

ENDALE, Tamrat¹, MEERT, Joseph¹, SOHL, Linda², TUCKER, Robert³, BANERJEE, Dhiraj⁴ and PANDIT, Manoj⁵, (1)Geological Sciences, Univ of Florida, 241 Williamson Hall, PO Box 112120, Gainesville, FL 32611, (2)Lamont-Doherty Earth Observatory, Columbia University, 61 Route 9W, Palisades, NY 10964-8000, (3)Earth & Planetary Sciences, Washington Univ, 1 Brookings Drive, Campus Box 1169, St. Louis, MO 63130-4899, (4)Geology, Univ of Delhi, Delhi, 110007, India, (5)Geology, Univ of Rajasthan, Jaipur, 302004, India, endale@geology.ufl.edu, endale@geology.ufl.edu

15

5:00 PM

GEOCHRONOLOGY OF DEFORMATION, INTRUSION, AND COOLING DURING THE ROSS OROGENY, BYRD GLACIER AREA, ANTARCTICA

STUMP, E.¹, FOLAND, K.A.², VAN SCHMUS, W.R.³, BRAND, P.K.³, DEWANE, T.J.³, GOOTEE, B.F.¹ and TALARICO, F.⁴, (1)Geological Sciences, Arizona State Univ, Tempe, AZ 85287-1404, (2)Geological Sciences, Ohio State Univ, Columbus, OH 43210, (3)Geology, Univ of Kansas, 120 Lindley Hall, Lawrence, KS 66045, (4)Scienze della Terra, Univ degli Studi di Siena, Siena, 53100, Italy, ed.stump@asu.edu, ed.stump@asu.edu

16

5:15 PM

CORRELATION OF 1.1 GA LARGE IGNEOUS PROVINCES ON THE LAURENTIA AND KALAHARI CRATONS: IMPLICATIONS FOR RODINIA RECONSTRUCTIONS

HANSON, R.¹, PANCAKE, J.¹, CROWLEY, J.², RAMEZANI, J.², BOWRING, S.², DALZIEL, I.³, GOSE, W.³, BLENKINSOP, T.⁴ and MUKWAKWAMI, J.⁵, (1)Geology Dept, TCU, Fort Worth, TX 76129, (2)Dept. Earth, Atmos. & Planet. Sci, MIT, Cambridge, MA 02139, (3)Geosci. Dept. & Inst. for Geophysics, Univ. of Texas, Austin, TX 78759, (4)Earth Sci, James Cook Univ, Townsville, QLD4811, Australia, (5)Geol. Dept, Univ. Zimbabwe, Harare, Zimbabwe, r.hanson@tcu.edu, r.hanson@tcu.edu

2002 Denver Annual Meeting (October 27-30, 2002)

T118. New Constraints on Mesoproterozoic–Early Neoproterozoic Supercontinent Assembly and Dispersal