Geological Society of America

8:20 AM

EARLY PALEOPROTEROZOIC RIFTING OF NORTHEASTERN BALTICA-LAURENTIA

Laura S. Landen, Univ of Helsinki, Helsinki, N/A and O. Tapani Ramo, Univ Helsinki, Helsinki and Tuomo Karinen, Rovaniemi, N/A

33020 (SYMPOSIA SESSIONS)

8:40 AM

CONTINENTAL GROWTH ALONG THE SOUTHERN MARGIN OF LAURENTIA DURING THE LATE PALEOPROTEROZOIC AND EARLY MESOPROTEROZOIC

C. Renee Rohs, Northwest Missouri State Univ, Maryville, MO and W. R. Van Schmus, Univ of Kansas, Lawrence, KS

33012 (SYMPOSIA SESSIONS)

9:00 AM

DEFORMATIONAL ANALYSIS OF THE MESOPROTEROZOIC SIXMILE ANTIFORM AND FLANKING SHEAR ZONES, SOUTH-CENTRAL LLANO UPLIFT, TEXAS

Trent W. McDaniel, Stephen F. Austin State Univ, Nacogdoches, TX and Chris A. Barker, Stephen F. Austin State Univ, Nacogdoches, TX and Volker W. Göbel, Stephen F. Austin State Univ, Nacogdoches, TX

33027 (SYMPOSIA SESSIONS)

9:20 AM

LOW-PRESSURE DEFORMATION AND METAMORPHISM OF THE PROTEROZOIC LLANO UPLIFT, CENTRAL TEXAS

Robert M. Reed, The Univ of Texas at Austin, Austin, TX and James R. Rougvie, Washington, DC

33151 (SYMPOSIA SESSIONS)

9:40 AM

GRENVILLE OROGENESIS ALONG THE SOUTHERN LAURENTIAN MARGIN: CONTRASTS BETWEEN THE EASTERN AND WESTERN LLANO UPLIFT, CENTRAL TEXAS

Sharon Mosher, Univ Texas - Austin, Austin, TX and Brian B. Hunt, Univ Texas - Austin, Austin, TX

33097 (SYMPOSIA SESSIONS)

10:20 AM

CRUSTAL EVOLUTION IN THE ROCKY MOUNTAIN REGION

G. Randy Keller, University of Texas at El Paso, El Paso, TX and Karl Karlstrom, Univ of New Mexico, Albuquerque, NM and Kate Miller, University of Texas at El Paso, El Paso, TX and Catherine Snelson, Univ of Nevada, Las Vegas, NV and Christopher Andronicos, Univ of Texas at El Paso, El Paso, TX

32968 (SYMPOSIA SESSIONS)

10:40 AM

GEOCHRONOLOGY OF PROTEROZOIC GRANITIC AND MAFIC ROCKS IN THE NORTHERN BURRO MOUNTAINS, GRANT COUNTY, NEW MEXICO

Virginia T. McLemore, New Mexico Institute of Mining and Technology, Socorro, NM and O. Tapani Rämö, Univ. of Helsinki, Helsinki, N/A and Michael A. Hamilton, Geol Survey of Canada, Ottawa, ON and Paula J. Kosunen, Univ of Helsinki, Helsinki, N/A and Matt T. Heizler, New Mexico Institute of Mining and Technology, Socorro, NM

33008 (SYMPOSIA SESSIONS)

11:00 AM

THE PRECAMBRIAN EVOLUTION OF THE BURRO MOUNTAINS, SOUTHWEST NEW MEXICO, AS DETERMINED BY ELECTRON MICROPROBE U-PB DATING OF MONAZITE IN METAPELITES

Amos E. Sanders, New Mexico State University, Las Cruces, NM and Jeffrey M. Amato, New Mexico State Univ, Las Cruces, NM

33154 (SYMPOSIA SESSIONS)

11:20 AM

ND ISOTOPES OF GRANITE MAGMATISM, HIDALGO AND GRANT COUNTIES, NEW MEXICO

O. Tapani Ramo, Univ Helsinki, Helsinki and Virginia T. McLemore, New Mexico Institute of Mining and Technology, Socorro, NM and Paula J. Kosunen, Univ of Helsinki, Helsinki, N/A

32994 (SYMPOSIA SESSIONS)

11:40 AM

TECTONOMAGMATIC EVOLUTION OF THE THARWAH SEGMENT OF THE NEOPROTEROZOIC BIR UMQ-NAKASIB SUTURE ZONE, ARABIAN-NUBIAN SHIELD, WESTERN SAUDI ARABIA

Ulysses S. Hargrove, Univ of Texas at Dallas, Richardson, TX and Robert J. Stern, Univ of Texas at Dallas, Richardson, TX and Mohamed G. Abdelsalam, Univ of Texas at Dallas, Richardson, TX and Matthew I. Leybourne, Univ of Texas at Dallas, Richardson, TX and Peter R. Johnson, Saudi Geol Survey, Jeddah, N/A

32900 (SYMPOSIA SESSIONS)

4 Precambrian Geology of Southern Laurentia

Presentations