Geological Society of America

8:00 AM

AS ABOVE, SO BELOW: THE COMPLEMENTARY RECORD OF ARCHEAN LATE TECTONIC SEDIMENTATION, IMBRICATION AND EXTENSIONAL COLLAPSE IN JUXTAPOSED MID- AND UPPER-CRUST OF THE WESTERN SLAVE PROVINCE, CANADA

Sally J. Pehrsson, Geol Survey of Canada, Ottawa, ON and Herwart Helmstaedt, Queen's Univ, Kingston, ON

19769 (Technical Sessions)

8:00 AM

SEISMIC IMAGING OF A LOWER-CRUSTAL OCEANIC SLAB: EVIDENCE FOR NEOARCHEAN TECTONIC ACCRETION IN THE WESTERN SUPERIOR PROVINCE, CANADA

Herwart Helmstaedt, Queen's Univ, Kingston, ON and Robin M. Harrap, Queen's Univ, Kingston, ON and Don White, Ottawa, ON

19821 (Technical Sessions)

8:00 AM

DIRECT TIMING CONSTRAINTS ON PALEOPROTEROZOIC METAMORPHISM, SOUTHERN LAKE SUPERIOR REGION: RESULTS FROM SHRIMP AND EMP U-PB DATING OF METAMORPHIC MONAZITES

D. K. Holm, Kent State Univ, Kent, OH and D. A. Schneider, Ohio Univ, Athens, OH and C. O'Boyle, Kent State Univ, Kent, OH and M. A. Hamilton, Geol Survey of Canada, Ottawa, ON and M. J. Jercinovic, Univ. of Massachusetts, Amhurst, MA and M. L. Williams, Univ of Massachusetts, Amherst, MA

21825 (Technical Sessions)

8:00 AM

VERTICAL CRUSTAL TECTONICS IN THE ARCHEAN? ANALOG MODELING

Anne Patricia Peschler, Univ of ottawa, ottawa, ON and Keith Benn, Univ of ottawa, ottawa, ON and Walter Roest, Geol survey of Canada, Ottawa, N/A

25434 (Technical Sessions)

8:00 AM

DEFORMATION HISTORY OF THE KENOGAMISSI BATHOLITH AND THE EASTERN SWAYZE GREENSTONE BELT

J. K. Becker, Univ of Ottawa, Ottawa, ON and K. Benn, Univ of Ottawa, Ottawa, ON and J. Ayer, Ministry of Northern Development and Mines, Sudbury, ON

25729 (Technical Sessions)

8:00 AM

IS CRATONIZATION THE RESULT OF HORIZONTAL TERRANE ACCRETION OR PARTIAL CONVECTIVE OVERTURN? EVIDENCE FROM TONALITE AND TRONDHJEMITE PLUTONS IN THE NORTHERN SUPERIOR PROVINCE

Jean H. Bédard, Geol Survey of Canada, Ste-Foy, QC and Louis Madore, Ministère des Ressources naturelles du Québec, Val d'Or, QC and Pierre Brouillette, Geol Survey of Canada, Ste-Foy, QC and Alain Berclaz, Ministère des Ressources naturelles du Québec, Montréal, QC

25737 (Technical Sessions)

8:00 AM

AN EXAMPLE OF PRECAMBRIAN CRUSTAL GROWTH BY LATERAL ACCRETION: THE SOUTH PASS SUPRACRUSTAL BELT, WYOMING

Carol D. Frost, University of Wyoming, Laramie, WY and Kevin R. Chamberlain, Univ of Wyoming, Laramie, WY and B. Ronald Frost, Univ of Wyoming, Laramie, WY

26057 (Technical Sessions)

8:00 AM

TECTONIC JUXTAPOSITION OF CONTINENTAL AND OCEANIC SEDIMENTARY BASINS IN LATE ARCHEAN TIME, RATTLESNAKE HILLS, CENTRAL WYOMING

Benjamin L. Fruchey, Univ of Wyoming, Laramie, WY and Carol D. Frost, University of Wyoming, Laramie, WY and Kevin R. Chamberlain, Univ of Wyoming, Laramie, WY

26086 (Technical Sessions)

8:00 AM

ONE BILLION YEARS OF ARCHEAN CRUSTAL EVOLUTION: BLACK ROCK MOUNTAIN, NORTHEASTERN GRANITE MOUNTAINS, WYOMING

S. C. Kruckenberg, Univ of Wyoming, Laramie, WY and K. R. Chamberlain, Univ of Wyoming, Laramie, WY and C. D. Frost, Univ of Wyoming, Laramie, WY and B. R. Frost, Univ of Wyoming, Laramie, WY

26163 (Technical Sessions)

8:00 AM

A POSSIBLE ARCHEAN CLIMATE FEEDBACK MECHANISM

Rob Rye, California Institute of Techology, Pasadena, CA

26249 (Technical Sessions)

8:00 AM

THE INTENSITY, OCCURRENCE, AND DURATION OF SUPERPLUME EVENTS

Dallas H. Abbott, Lamont-Doherty Earth Observatory, Palisades, NY and Ann Isley, State Univ of New York at Oswego, Oswego, NY

27454 (Technical Sessions)

8:00 AM

EARLY PALEOPROTEROZOIC (2.5–2.0 GA) GIANT SEDIMENT-HOSTED MINERAL DEPOSITS: A RESPONSE TO ENVIRONMENTAL CHANGES

Andrey Bekker, VPI & SU, Blacksburg, VA and Kenneth A. Eriksson, Virginia Tech, Blacksburg, VA and Alan Jay Kaufman, Univ of Maryland, College Park, College Park, MD and Juha A. Karhu, Univ of Helsinki, Helsinki, N/A

27922 (Technical Sessions)

8:00 AM

MAJOR CRUSTAL GROWTH EPISODES: MANTLE PLUMES OR CONCENTRATION OF TERRANES BY PLATE TECTONICS?

P. Jonathan Patchett, Univ of Arizona, Tucson, AZ and Clement G. Chase, Univ of Arizona, Tucson, AZ

28289 (Technical Sessions)

8:00 AM

ARCHEAN HYDROTHERMAL ALTERATION AND METAMORPHISM OF THE PILBARA BLOCK, WESTERN AUSTRALIA

I. J. Richards, Southern Methodist Univ, Dallas, TX and R. T. Gregory, Southern Methodist Univ, Dallas, TX and K. M. Ferguson, Southern Methodist Univ, Dallas, TX and C. B. Douthitt, Thermo-Finnigan, Dallas, TX

28607 (Technical Sessions)

8:00 AM

ON THE RELATIONS BETWEEN CRATONIC LITHOSPHERE THICKNESS, PLATE MOTIONS, AND BASAL DRAG

Irina Artemieva, Univ of Uppsala, Uppsala, N/A and Walter D. Mooney, U.S. Geol Survey, Menlo Park, CA

28785 (Technical Sessions)

8:00 AM

GLOBAL VARIATIONS IN DENSITY, COMPOSITION, AND THERMAL REGIME OF CONTINENTAL ROOTS

Walter D. Mooney, U.S. Geol Survey, Menlo Park, CA and Mikhail K. Kaban, GeoForschungsZentrum, Potsdam, N/A and Irina Artemieva, Univ of Uppsala, Uppsala, N/A

28826 (Technical Sessions)

T165 Evolution of the Precambrian Earth

Presentations