Geological Society of America

8:00 AM

SOURCE OF META-IGNEOUS BLOCKS IN THE COLEBROOKE SCHIST, PICKETT PEAK TERRANE, SW OREGON

Jennifer McClung, State Univ. of New York at Albany, Albany, NY and Gregory D. Harper, State Univ. of New York at Albany, Albany, NY

38019 (Technical Sessions)

8:00 AM

NEOTECTONIC UPLIFT OF THE BEARTOOTH PLATEAU ASSESSED USING THE (U-TH)/HE DATING METHOD

Monika M. Lipinski, Univ of Florida, Gainesville, FL

38975 (Technical Sessions)

8:00 AM

REGIONAL PATTERN OF MESOZOIC STRUCTURES IN THE CONFUSION RANGE, WESTERNMOST CENTRAL UTAH

Kathryn M. Nichols, Consulting geologist, Lakewood, CO and Norman J. Silberling, Consulting geologist, Lakewood, CO and Lon A. McCarley, Consulting geophysicist, Centennial, N/A

39509 (Technical Sessions)

8:00 AM

SYNTECTONIC TONALITE MAGMA EMPLACEMENT DURING CRUSTAL THICKENING - THE BELL ISLAND PLUTON, SE ALASKA

Maria Luisa Crawford, Bryn Mawr College, Bryn Mawr, PA and Jennifer Lindline, New Mexico Highlands Univ, Las Vegas, NM and William A. Crawford, Bryn Mawr College, Bryn Mawr, PA and A.K. Sinha, Virginia Tech, Blacksburg, VA

39903 (Technical Sessions)

8:00 AM

PLUTON AGES IN THE EASTERN BLUE RIDGE PROVINCE, NORTH CAROLINA: CONSTRAINTS ON TIMING OF TECTONICS AND METAMORPHISM IN DEEP LEVELS OF AN ORDOVICIAN ACCRETIONARY WEDGE COMPLEX

Brent V. Miller, Univ of North Carolina, Chapel Hill, NC and Kevin G. Stewart, Univ of North Carolina, Chapel Hill, NC

40600 (Technical Sessions)

8:00 AM

AN EVALUATION OF THE PALEOZOIC TECTONIC HISTORY OF BLUE RIDGE ROCKS IN WESTERN NORTH CAROLINA AND EASTERN TENNESSEE: IMPLICATIONS FOR UNDERSTANDING THE GRENVILLE OROGENY IN THE SOUTHERN APPALACHIANS

Charles H. Trupe, Georgia Southern Univ, Statesboro, GA and Kevin G. Stewart, Univ of North Carolina, Chapel Hill, NC and Mark G. Adams, Unimin Corporation, Spruce Pine, NC and John P. Foudy, Univ of North Carolina, Chapel Hill, NC

41003 (Technical Sessions)

8:00 AM

EARLY MIOCENE LARGE-MAGNITUDE EXTENSION IN THE SIERRA MAZATAN METAMORPHIC CORE COMPLEX, SONORA, MEXICO

Martin S. Wong, Univ of California, Santa Barbara, Santa Barbara, CA and Phillip B. Gans, Univ of California, Santa Barbara, CA and Jaime Roldán-Quintana, Univeridad National Autónoma de México, Hermosillo, N/A

41044 (Technical Sessions)

8:00 AM

THE MESOPROTEROZOIC--A TIME OF CHANGE IN TECTONIC STYLE AND MAGMA TYPES IN THE NORTH AMERICAN CONTINENT

P.K. Sims, U.S. Geological Survey, Denver, CO

41112 (Technical Sessions)

8:00 AM

DISPARATE U-PB AND SM-ND AGES FROM THE LICK RIDGE ECLOGITE, EASTERN BLUE RIDGE PROVINCE, NORTH CAROLINA

Melanie M. Busch, Univ. North Carolina, Chapel Hill, Chapel Hill, NC and Brent V. Miller, Univ of North Carolina, Chapel Hill, NC and Kevin G. Stewart, Univ of North Carolina, Chapel Hill, NC

41135 (Technical Sessions)

8:00 AM

PETROGENESIS OF TONALITES BASED ON 3-D ARCHITECTURE OF BELL ISLAND PLUTON, SE ALASKA

A.K Sinha, Virginia Tech, Blacksburg, VA and M.L. Crawford, Bryn Mawr College, Bryn Mawr, PA and J. Beard, Virginia Museum of Nat History, Martinsville, VA

41347 (Technical Sessions)

8:00 AM

CRETACEOUS THERMOCHRONOLOGIC DISCONTINUITIES ALONG THE VERMONT-NEW HAMPSHIRE BORDER, NORUMBEGA FAULT SYSTEM, ME AND IN THE ADIRONDACK MOUNTAINS, NY: EVIDENCE FOR LATE MESOZOIC FAULTING AND DIFFERENTIAL EROSION

Mary K. Roden-Tice, Plattsburgh State Univ, Plattsburgh, NY and David P. West, Middlebury College, Middlebury, VT and Steven J. Tice, Plattsburgh State Univ, Plattsburgh, NY and Peter W. Reiners, Yale Univ, New Haven, CT

41363 (Technical Sessions)

8:00 AM

UPLIFT OF PENINSULAR RANGES AFFECTS TERRESTRIAL CLIMATE RECORD OF ENHANCED TROPICAL MOISTURE IN LATE PLIOCENE, ANZA-BORREGO DESERT, CALIFORNIA

Timothy N. Cosma, Kent State Univ, Kent, OH and Alison J. Smith, Kent State Univ, Kent, OH and Donald F. Palmer, Kent State Univ, Kent, OH

42203 (Technical Sessions)

8:00 AM

THE EARLY CRETACEOUS SANTIAGO PEAK ARC: A CONTINENTAL MARGIN ARC BUILT ON THE NORTH AMERICAN TRIASSIC-JURASSIC ACCRETIONARY PRISM OF SOUTHERN AND BAJA CALIFORNIA

Michelle Sutherland, Univ of Southern California, Los Angeles, CA and Paul H. Wetmore, Univ of Southern California, Los Angeles, CA and Charles Herzig, El Camino College, Torrance, CA and Scott R. Paterson, Univ of Southern California, Los Angeles, CA

42262 (Technical Sessions)

8:00 AM

MEXICAN BASEMENT INTEPRETATIONS FROM NEW REGIONAL MAPPING

James I. Lyons, El Paso, TX

42671 (Technical Sessions)

8:00 AM

PALEOMAGNETIC AND 40AR/39AR DATA FROM REMAGNETIZED MAFIC DIKES AND HOST GRANITE ROCKS IN THE SOUTHWEST SILVER PEAK RANGE, NEVADA, TERTIARY STRUCTURAL EVOLUTION OF THE CENTRAL WALKER LANE

Michael S. Petronis, Univesity of NEw Mexico, Albuquerque, NM and John W. Geissman, Univ of New Mexico, Albuquerque, NM and John S. Oldow, Univ of Idaho, Moscow, ID and William C. McIntosh, New Mexico Tech, Socorro, NM

42848 (Technical Sessions)

8:00 AM

STRUCTURAL SETTING AND KINEMATICS OF THE OLIGOCENE CRIPPLE CREEK DIATREME COMPLEX, COLORADO

Marc D. Melker, Anglogold (Colorado) Corp, Victor, CO and T.F. Wawrzyniec, GWN Geologic Consulting, Minneapolis, MN and Alison S. Mote, University of Texas, Austin, TX

42953 (Technical Sessions)

8:00 AM

PRESSURE–TEMPERATURE–TIME HISTORY OF BASEMENT AND ALLOCHTHONS, WESTERN GNEISS REGION, NORWAY

Emily O. Walsh, UCSB, Santa Barbara, CA and Bradley R. Hacker, UCSB, Santa Barbara, CA

43212 (Technical Sessions)

8:00 AM

THE NATURE OF THE BOUNDARY BETWEEN THE ST. CROIX AND MERRIMACK-HARPSWELL TERRANES, EASTERN MAINE

Dean N. Riley, Ohio State Univ, Columbus, OH and Michael Barton, Ohio State Univ, Columbus, OH

43835 (Technical Sessions)

8:00 AM

CHARACTERIZATION OF THE CRETACEOUS COLLISION ZONE BETWEEN THE WESTERN AND EASTERN PENINSULAR RANGES BATHOLITH IN THE SIERRA CALAMAJUE, BAJA CALIFORNIA NORTE, MEXICO

Helge Alsleben, University of Southern California, Los Angeles, CA and George E. Gehrels, Univ of Arizona, Tucson, AZ and Scott R. Paterson, University of Southern California, Los Angeles, CA

44439 (Technical Sessions)

8:00 AM

MELANGE AND LATE PALEOZOIC-TRIASSIC(?) CHERT, LIMESTONE, AND PILLOW BASALT ALONG A TERRANE SUTURE ZONE SOUTH OF THE DENALI FAULT, REINDEER HILLS, ALASKA

Ronald B. Cole, Allegheny College, Meadville, PA and Wayne M. Brewer, Allegheny College, Meadville, PA and Benjamin P. Hooks, Allegheny College, Meadville, PA

44652 (Technical Sessions)

8:00 AM

FAR-FLUNG ASH-FLOW TUFFS OF YERINGTON, WESTERN NEVADA ERUPTED FROM CALDERAS IN THE TOQUIMA RANGE, CENTRAL NEVADA

Larry J. Garside, Univ of Nevada, Reno, NV and Christopher D. Henry, Univ of Nevada, Reno, NV and David R. Boden, Reno, NV

44937 (Technical Sessions)

8:00 AM

DIGITAL GEOLOGIC MAP OF THE ATLANTA, GA 1-DEGREE X 30-MINUTE QUADRANGLE, VER 2.1

Ralph F. Crawford, The Geologic Mapping Institute, Atlanta, GA and Michael W. Higgins, The Geologic Mapping Institute, Roswell, GA

45135 (Technical Sessions)

8:00 AM

SINISTRAL SHEAR ZONE AS A TERRAIN BOUNDARY IN SOUTH INDIAN CRATON

Reshmi Das, Florida State Univ, Tallahassee, FL

45359 (Technical Sessions)

8:00 AM

RE-OS DATING OF CU-MO MINERAL OCCURRENCES PROVIDES CHRONOLOGY OF METAMORPHISM AND DEFORMATION FOR A SUPRACRUSTAL SEQUENCE IN SOUTH NORWAY

Holly Stein, Colorado State Univ, Fort Collins, CO and Bernard Bingen, Geological Survey of Norway, Trondheim 7491, N/A

45908 (Technical Sessions)

8:00 AM

SOUTHERN APPALACHIAN TERRANES AMENDED: TIMING OF ACCRETION AND DELIMITING PROVENANCE FROM NEW DETRITAL ZIRCON AND ND ISOTOPIC DATA

Brendan R. Bream, Univ of Tennessee, Knoxville, TN and Robert D. Hatcher, Univ of Tennessee, Knoxville, TN

45983 (Technical Sessions)

8:00 AM

LATE CRETACEOUS AND TERTIARY PLUTONISM, WEST-CENTRAL MONTANA--PINS IN THE END OF COMPRESSION AND THE BEGINNING OF EXTENSION

Lawrence W. Snee, Box 25046, MS 974, Denver, CO and Mitchell W. Reynolds, Box 25046, MS 913, Denver Federal Ctr, Denver, CO and Daniel P. Miggins, USGS, Denver, CO

46111 (Technical Sessions)

8:00 AM

AMALGAMATION OF COATS LAND/WESTERN DRONNING MAUD LAND WITH THE EAST ANTARCTIC CRATON: EVIDENCE FROM HEIMEFRONTFJELLA, DRONNING MAUD LAND, ANTARCTICA

James N. Connelly, Univ of Texas at Austin, Austin, TX and Mark Helper, Univ of Texas at Austin, Austin, TX and Roy Fuller, Univ of Texas at Austin, Austin, TX and Ian Dalziel, Univ of Texas at Austin, Austin, TX and Fred McDowell, Univ of Texas at Austin, Austin, TX

46269 (Technical Sessions)

8:00 AM

SILURIAN U-PB ZIRCON DATES FROM THE VINALHAVEN INTRUSION AND ASSOCIATED VOLCANIC ROCKS, PENOBSCOT BAY, MAINE

D.P. Hawkins, Denison Univ, Granville, OH and R.A. Wobus, Williams College, Williamstown, MA and R.A. Wiebe, Franklin & Marshall College, Lancaster, PA

46280 (Technical Sessions)

14 Tectonics (Posters) I

Presentations