Geological Society of America

8:00 AM

PHASE EQUILIBRIA MODELING INTEGRATED WITH GEOCHRONOLOGY IN HIGHLY RESIDUAL UHT GRANULITES FROM THE EASTERN GHATS PROVINCE, INDIA

Michael Brown, University of Maryland, College Park, MD and Fawna J. Korhonen, Department of Mines and Petroleum, Perth, WA, N/A and Chris Clark, Curtin University, Perth

207064 (Technical Sessions)

8:15 AM

KEYNOTE SPEAKER: DEEP CRUSTAL STRUCTURE, PROCESSES, AND PROPERTIES FROM XENOLITHS AND SEISMIC OBSERVATIONS, MONTANA AND WYOMING, USA

Kevin H. Mahan, University of Colorado at Boulder, Boulder, CO and Vera Schulte-Pelkum, University of Colorado-Boulder, Boulder, CO and Terrence J. Blackburn, Massachusetts Institute of Technology, Cambridge, MA and Samuel A. Bowring, Massachusetts Institute of Technology, Cambridge, MA and Frank Dudas, MIT, Cambridge, MA

210313 (Technical Sessions)

8:45 AM

COMBINING THERMODYNAMIC MODELING AND FOLIATION INTERSECTION AXIS (FIA) IN GARNETS TO DECODE PROGRESSIVE COLLISION AND METAMORPHIC HISTORY OF THE INDIAN PLATE WITH THE KOHISTAN-LADAKH ISLAND ARC, NW HIMALAYA

Mohammad Sayab, University of Peshawar, Peshawar, N/A and Syed Zahid Shah, University of Peshawar, Peshawar, N/A

209132 (Technical Sessions)

9:00 AM

ON THE METAMORPHIC EVOLUTION OF ECLOGITIC ROCKS IN THE WESTERN CANADIAN GRENVILLE PROVINCE

Jeffrey H. Marsh, University of Texas, Austin, TX

211270 (Technical Sessions)

9:15 AM

REACTION AFFINITY DURING REGIONAL METAMORPHISM: CHALLENGES TO INTERPRETATIONS OF METAMORPHISM

Eric D. Kelly, Jackson School of Geosciences, Austin, TX and William D. Carlson, The University of Texas at Austin, Austin, TX and Richard A. Ketcham, The University of Texas at Austin, Austin, TX

211013 (Technical Sessions)

9:30 AM

LOW P-T KYANITE GROWTH ASSOCIATED WITH ALUMINUM METASOMATISM AND QUARTZ-SULFIDE VEINING, SENTINEL CU DEPOSIT, NORTHWESTERN ZAMBIA

Corey James Meighan, Colorado School of Mines, Golden, CO and Nigel M. Kelly, Colorado School of Mines, Golden, CO and Murray W. Hitzman, Colorado School of Mines, Golden, CO and Dave Wood, Ndola, N/A

212508 (Technical Sessions)

10:00 AM

KEYNOTE SPEAKER: DECIPHERING MULTIPLE METAMORPHIC EVENTS BY LASER ABLATION SPLIT-STREAM (LASS) PETROCHRONOLOGY OF MONAZITE AND XENOTIME IN THE CLEARWATER COMPLEX, NORTHERN IDAHO

Julia Baldwin, University of Montana, Missoula, MT and Victor E. Guevara, Virginia Tech, Blacksburg, VA and Liane M. Stevens, University of Montana, Missoula, MT and John Cottle, University of California, Santa Barbara, Santa Barbara, CA and Bradley R. Hacker, University of California, Santa Barbara, Santa Barbara, CA

212138 (Technical Sessions)

10:30 AM

ZIRCON AGES, HF ISOTOPES AND P-T PATH OF THE YISHUI COMPLEX: IMPLICATIONS FOR THE CRUST GROWTH AND TECTONOTHERMAL EVOLUTION OF THE EASTERN BLOCK OF THE NORTH CHINA CRATON

Meiling Wu, University of Hong Kong, Hong Kong, N/A and Guochun Zhao, University of Hong Kong, Hong Kong, N/A and Min Sun, University of Hong Kong, Hong Kong and Changqing Yin, University of Hong Kong, Hong Kong, N/A and Sanzhong Li, Ocean University of China, Qingdao, N/A and Pui Yuk Tam, University of Hong Kong, Hong Kong, N/A and Zhian Bao, Northwest University, Xi'an, N/A

207374 (Technical Sessions)

10:45 AM

EVALUATING THE SCALE AND NATURE OF EQUILIBRIUM IN METAMORPHIC ROCKS USING GARNET SM-ND AGES AND COMPOSITIONAL ZONING

Harold H. Stowell, University of Alabama, Tuscaloosa, AL and Mathew Gatewood, Univ of Alabama, Tuscaloosa, AL and Besim Dragovic, Virginia Polytechnic Institute and State University, Blacksburg, VA and Ethan F. Baxter, Boston College, Boston, MA and David M. Hirsch, Western Washington University, Bellingham, WA and Rose V. Bloom, Western Washington University, Bellingham, WA

211524 (Technical Sessions)

11:00 AM

LU-HF GARNET GEOCHRONOLOGY AND MICROSTRUCTURAL ANALYSIS CONSTRAIN THE TIMING OF CRUSTAL ASSEMBLY IN SOUTHWESTERN NORTH AMERICA

Ruth F. Aronoff, Purdue University, West Lafayette, IN and Jeffrey Vervoort, Washington State University, Pullman, WA and Christopher L. Andronicos, Purdue University, West Lafayette, IN and Robert A. Hunter, Cornell University, Ithaca, NY

212458 (Technical Sessions)

11:15 AM

REFINING THE PROTEROZOIC HISTORY OF NORTH AMERICA THROUGH COMBINED USE OF LU-HF GEOCRHONOLOGY AND PETROLOGIC ANALYSIS

Robert A. Hunter, Cornell University, Ithaca, NY and Christopher L. Andronicos, Purdue University, West Lafayette, IN and Jeffrey Vervoort, Washington State University, Pullman, WA and Ruth F. Aronoff, Purdue University, West Lafayette, IN

212624 (Technical Sessions)

T221 Getting to the Root of It—Metamorphism, Tectonics, and Crustal Evolution

Presentations