Session: Using Detrital Zircon Geochronology to Answer Geologic Questions We Formerly Could Not Ask (2006 Philadelphia Annual Meeting (22

Paper #

Start Time

1:30 PM

Introductory Remarks

1

1:45 PM

DETRITAL ZIRCON U-TH-PB GEOCHRONOLOGY BY LA-MC-ICPMS AT THE ARIZONA LASERCHRON CENTER

GEHRELS, George E.¹, RUIZ, Joaquin¹, VALENCIA, Victor A.², PULLEN, Alexander³ and BAKER, Mark¹, (1)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (2)Geosciences, Univ of Arizona, 1040 E Fourth Street, Tucson, AZ 85721-0077, (3)Geosciences, Univ of Arizona, Tucson, AZ 85721, ggehrels@geo.arizona.edu, ggehrels@geo.arizona.edu

2

2:00 PM

DETRITAL THERMOCHRONOLOGY AND DOUBLE-DATING OF ZIRCON

GARVER, John I., Geology Department, Union College, 807 Union AVE, Schenectady, NY 12308, garverj@union.edu, garverj@union.edu

3

2:15 PM

PROVENANCE AGES OF DETRITAL ZIRCON CORES FROM PARAGNEISS-ANATEXITES: UNRAVELING THE PRE-METAMORPHIC HISTORY OF THE PERMIAN CHIAPAS MASSIF, MEXICO

WEBER, Bodo, Departamento de Geología, CICESE, Carretera Ensenada-Tijuana No. 3918, Zona Palyitas, Ensenada, B.C, 22860, Mexico, VALENCIA, Victor A., Geosciences, Univ of Arizona, 1040 E Fourth Street, Tucson, AZ 85721-0077 and IRIONDO, Alexander, Centro de Geociencias, Campus Juriquilla UNAM, Carretera San Luis Potosi km 13, Querétaro, Mexico, bweber@cicese.mx, bweber@cicese.mx

4

2:30 PM

SHRIMP U-PB AGES OF DETRITAL AND METAMORPHIC ZIRCON FROM HIGH-GRADE METASEDIMENTARY ROCKS: REVISING LITHOSTRATIGRAPHIC CORRELATIONS AND TECTONIC MODELS IN SOUTHERN NEW ENGLAND

WINTSCH, R.P., Department of Geological Scineces, Indiana University, 1001 E 10th Str, Bloomington, 47405, ALEINIKOFF, J.N., U.S. Geol Survey, Mail Stop 964, Denver Federal Center, Denver, 80225 and WALSH, G.J., U.S. Geol Survey, P.O. Box 628, Montpelier, 05602, wintsch@indiana.edu, wintsch@indiana.edu

5

2:45 PM

FRAGMENT OF AMAZONIA(?) IN THE HUDSON HIGHLANDS, NY: PROVENANCE OF GRANULITE METASANDSTONES USING SHRIMP

GATES, Alexander, Department of Geological Sciences, Rutgers Univ, Newark, NJ 07102, VALENTINO, David, Department of Earth Sciences, State Univ of New York at Oswego, Oswego, NY 13126, THERN, Eric, Department of Applied Geology, Curtin University of Technology, GPO Box U1987, Perth, 6107, Australia and CHIARENZELLI, Jeffrey, Department of Geology, State Univ of New York at Potsdam, Potsdam, NY 13676, agates@andromeda.rutgers.edu, agates@andromeda.rutgers.edu

3:00 PM

Break

6

3:15 PM

U-PB AND LU-HF ISOTOPIC CONSTRAINTS ON THE PROVENANCE OF PERMIAN DETRITUS IN TURBIDITES FROM PATAGONIA AND LIVINGSTON ISLAND, ANTARCTICA; IMPLICATIONS FOR PLATE RECONSTRUCTIONS

FANNING, C. Mark¹, HERVÉ, Francisco², YAXLEY, Greg M.¹ and PANKHURST, Robert³, (1)Research School of Earth Sciences, Australian National Univ, Canberra, ACT 0200, Australia, (2)Departamento de Geología, Universidad de Chile, Casilla 13518, Correo 21, Santiago, Chile, (3)NERC Isotope Geosciences Laboratory, Keyworth, Nottingham, NG12 5GG, United Kingdom, mark.fanning@anu.edu.au, mark.fanning@anu.edu.au

7

3:30 PM

U-PB DATES FROM MADAGASCAR DETRITAL ZIRCONS CONSTRAIN TECTONIC MODELS FOR GONDWANA ASSEMBLY

COX, Rónadh¹, SCHMIDT, Eleanor C.¹, COLEMAN, Drew S.², DEOREO, Stephen B.³ and CHOKEL MACKLIN, Carla B.⁴, (1)Department of Geosciences, Williams College, Williamstown, MA 01267, (2)Department of Geological Sciences, Univ of North Carolina, CB# 3315, Chapel Hill, NC 27599, (3)Geosciences, Williams College, Williamstown, MA 01267, (4)Geosciences, William College, Williamstown, 01267, rcox@williams.edu, rcox@williams.edu

8

3:45 PM

DETRITAL ZIRCON AGES IN NEOPROTEROZOIC SEDIMENTARY UNITS OF THE RÍO DE LA PLATA CRATON: UNRAVELLING ITS COMPLEX GEOLOGICAL EVOLUTION

GAUCHER, Claudio¹, POIRÉ, Daniel G.², FINNEY, Stanley C.³, VALENCIA, Victor A.⁴, BLANCO, Gonzalo⁵, PAMOUKAGHLIAN, Karina² and PERAL, Lucía G.², (1)Departamento de Geologia, Facultad de Ciencias - Univ. de la República, Iguá 4225, Montevideo, 11400, Uruguay, (2)Centro de Investigaciones Geológicas, CONICET - Universidad Nacional La Plata, Facultad de Ciencias Naturales y Museo, 1 No 644, La Plata, 1900, Argentina, (3)Department of Geological Sciences, California State Univ-Long Beach, Long Beach, CA 90840-3902, (4)Geosciences, Univ of Arizona, 1040 E Fourth Street, Tucson, AZ 85721-0077, (5)Department of Geology, University of Johannesburg, P.O. Box 524, Auckland Park, Johannesburg, 2006, South Africa, gaucher@chasque.net, gaucher@chasque.net

9

4:00 PM

DETRITAL-ZIRCON GEOCHRONOLOGY DEMONSTRATES COMMON PROVENANCE OF CAMBRIAN-DEVONIAN SANDSTONES OF THE CUYANIA (GREATER PRECORDILLERA) TERRANE OF WESTERN ARGENTINA AND NEOPROTEROZOIC SANDSTONES DEPOSITED ON THE RÍO DE LA PLATA CRATON OF URUGUAY AND EASTERN ARGENTINA

FINNEY, Stanley C.¹, PERALTA, Silvio H.², HEREDIA, Susana³, GEHRELS, George E.⁴, MCGRAW, Jennifer⁴, GAUCHER, Claudio⁵ and POIRÉ, Daniel G.⁶, (1)Department of Geological Sciences, California State Univ-Long Beach, Long Beach, CA 90840-3902, (2)CONICET e Instituto de Geologia, Universidad Nacional de San Juan, Cereseto y Meglioli - C.P. (5401), San Juan, 5400, Argentina, (3)CONICET e Facultad de Ingenieria, Universidad Nacional de San Juan, San Juan, 5400, Argentina, (4)Department of Geosciences, Univ of Arizona, Tucson, AZ 85721, (5)Departamento de Geologia, Facultad de Ciencias - Univ. de la República, Iguá 4225, Montevideo, 11400, Uruguay, (6)Centro de Investigaciones Geológicas, CONICET - Universidad Nacional La Plata, Facultad de Ciencias Naturales y Museo, 1 No 644, La Plata, 1900, Argentina, scfinney@csulb.edu, scfinney@csulb.edu

10

4:15 PM

COUPLED HF AND U-PB ISOTOPE ANALYSIS OF DETRITAL ZIRCONS FROM THE PALEOPROTEROZOIC HURONIAN SUPERGROUP

RAINBIRD, Robert H.¹, HEAMAN, Larry M.², DAVIS, William J.³ and SIMONETTI, Anthony², (1)Geol Survey of Canada, 615 Booth St, Room 609, Ottawa, ON K1A 0E9, Canada, (2)Dept. of Earth & Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, (3)Geol Survey of Canada, 615 Booth St, Room 609, Ottawa, ON K1A 0E9, rrainbir@nrcan.gc.ca, rrainbir@nrcan.gc.ca

11

4:30 PM

TRANSVERSE AND LONGITUDINAL SEDIMENT TRANSPORT IN THE EAST-TRENDING MID-NEOPROTEROZOIC UINTA MOUNTAIN GROUP AND BIG COTTONWOOD BASIN, NORTHERN UTAH

DEHLER, Carol, Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, LINK, Paul K., Department of Geosciences, Idaho State University, Pocatello, ID 83209 and FANNING, C. Mark, Research School of Earth Sciences, Australian National Univ, Canberra, ACT 0200, Australia, chuaria@cc.usu.edu, chuaria@cc.usu.edu

12

4:45 PM

U-PB DETRITAL ZIRCON GEOCHRONOLOGY OF THE AVALON ZONE, NEWFOUNDLAND APPALACHIANS: IMPLICATIONS FOR THE OPENING AND EVOLUTION OF THE RHEIC OCEAN

POLLOCK, Jeff, Marine, Earth and Atmospheric Science, North Carolina State Univ, Box 8208, Raleigh, NC 27695 and HIBBARD, James, Marine, Earth, and Atmospheric Sciences, North Carolina State Univ, Box 8208, Raleigh, NC 27695, jpolloc@ncsu.edu, jpolloc@ncsu.edu

13

5:00 PM

NEW INSIGHTS ON THE LATE PERMIAN KAROO BASIN EVOLUTION FROM SHRIMP-RG U-PB ZIRCON DATING

FILDANI, Andrea¹, WEISLOGEL, Amy², DRINKWATER, Nicholas¹, MCHARGUE, Tim³, HODGSON, David⁴ and FLINT, Stephen⁴, (1)ChevronTexaco ETC, San Ramon, CA 94583, (2)Department of Geological and Environmental Sciences, Stanford Univ, 450 Serra Mall, Braun Hall, Building 320, Stanford, CA 94305-2115, (3)Department of Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Stanford, CA 94305, (4)University of Liverpool, 4 Brownlow Street, Liverpool, L69 3GP, United Kingdom, AndreaFildani@chevrontexaco.com, AndreaFildani@chevrontexaco.com

14

5:15 PM

U-PB GEOCHRONOLOGY OF DETRITAL ZIRCONS FROM UPPER CRETACEOUS AND PALEOGENE STRATA ON THE KAIPAROWITS PLATEAU, SOUTHERN UTAH: IMPLICATIONS FOR THE TECTONIC AND PALEOFLUVIAL EVOLUTION OF THE SOUTHERN CORDILLERAN FORELAND BASIN

ROBERTS, Eric¹, LINK, Paul Karl², FANNING, C. Mark³ and LARSEN, Joe², (1)School of Geosciences, University of the Witwatersrand, Private Bag 3, Johannesburg, 2050, South Africa, Johannesburg, 2050, South Africa, (2)Department of Geosciences, Idaho State Univ, ISU Campus Box 8072, Pocatello, ID 83209, (3)Research School of Earth Sciences, Australian National Univ, Canberra, ACT, Australia, linkpaul@isu.edu, linkpaul@isu.edu

2006 Philadelphia Annual Meeting (22–25 October 2006)

T138. Using Detrital Zircon Geochronology to Answer Geologic Questions We Formerly Could Not Ask