8:00 AM

130-1

Mapping the Lower Ocean Crust: Evidence for Variable Melt Production and Mantle Composition during Normal Seafloor Spreading

Henry J.B. Dick, Woods Hole Oceanographic Institution

8:15 AM

130-2

Seismic Evidence for Large-Scale Compositional Heterogeneity of Oceanic Core Complexes

Juan Pablo Canales, Woods Hole Oceanographic Institution; Brian E. Tucholke, Woods Hole Oceanographic Institution; Min Xu, Woods HOle Oceanographic Institution

8:30 AM

130-3

Non-Volcanic Seafloor Spreading and Oceanic Core Complexes: You Can Have One without the Other

Timothy Schroeder, Eastern Connecticut State University; Niels Jöns, University of Bremen; Michael Cheadle, University of Wyoming; Wolfgang Bach, University of Bremen

8:45 AM

130-4

Extensive Core Complex Formation in a Magma Starved Segment of the the Mid-Atlantic Ridge Between 12<sup>°</sup>-16<sup>°</sup>n: Strain Softening and a Coupled Crust-Mantle Rheology

John F. Casey, University of Houston; Roger C. Searle, Durham University; Christopher MacLeod, Cardiff University; Bramley J. Murton, Southampton Oceanography Centre

9:00 AM

130-5

Oxide Gabbros from IODP Hole 1309D: Recorders of High-Temperature Strain and Alteration of the Atlantis Massif, An Oceanic Core Complex on the Mid-Atlantic Ridge

Nicholas W. Hayman, University of Texas

9:15 AM

130-6

The Geometry and Mechanics of Active Oceanic Detachment Faulting from An Ocean-Bottom Seismicity Survey at the TAG Segment of the Mid-Atlantic Ridge (26°N)

Brian J. deMartin, Brown University; Robert Reves-Sohn, Woods Hole Oceanographic Institution

9:30 AM

130-7

Pluton Emplacement Kinematics and Arc Collapse during Extensional Tectonics

Gabriela V. Depine, Cornell University; Chris Andronicos, Cornell University

9:45 AM

Break

10:00 AM

130-8

Insights on Metamorphic Core Complex Formation from the Sierra Mazatán Case Study

Martin S. Wong, Colgate University; Phillip B. Gans, University of California, Santa Barbara

10:15 AM

130-9

Core Complexes Are Tectonic Windows of Opportunity: A Microstructural Evaluation of Shear Zone Rheology and Strain Localization in the South Mountains Core Complex, Arizona

Elena A. Miranda, California State University Northridge; James S. Carter, California State University Northridge

10:30 AM

130-10

Rheologically Driven Strain Partitioning in the Footwall Shear Zone of a Metamorphic Core Complex, Raft River Mountains, Utah

Walter A. Sullivan, Colby College

10:45 AM

130-11

Shallow Initial Dip for the Northern Snake Range Footwall: Constraints from Geothermobarometry

Frances J. Cooper, University of Southern California; John P. Platt, Univ of Southern California

11:00 AM

130-12

Exhumation of the Trans-Himalayan Ama Drime Massif: Implications for Orogen-Parallel Mid-Crustal Flow and Exhumation on the Southern Margin of the Tibetan Plateau

Micah Jessup, University of Tennessee; John Cottle, NERC Isotope Geosciences Laboratory; Dennis Newell, Los Alamos National Laboratory; Aaron Berger, Virginia Tech; James Spotila, Virginia Tech

11:15 AM

130-13

The Geomorphic Response of An Active Metamorphic Core-Complex: An Example from the Lunggar Rift, Southern Tibet

Michael Taylor, University of Kansas; Paul Kapp, University of Arizona; Daniel F. Stockli, University of Kansas

11:30 AM

130-14

Extension in granulite facies orthogneisses of the Biranup Complex (Albany-Fraser Orogen), Bremer Bay, Western Australia

Miriam Barquero-Molina, University of Texas at Austin; Sharon Mosher, Jackson School of Geosciences; Catherine Spaggiari, Geological Survey of Western Australia; Simon Bodorkos, Geoscience Australia

11:45 AM

130-15

The Northeastern Emplacement of the Pindos Basin Ophiolites and Their Response to Pelagonian Exhumation Tectonics (Northern Greece)

Anne Ewing Rassios, Institute of Geology and Mineral Exploration; Yildirim Dilek, Miami University; Dimitri Kostopoulos, University of Athens

2008 Joint Annual Meeting (5-9 Oct. 2008): Modes of Lithospheric Extension: Oceanic and Continental Core Complexes

130 Modes of Lithospheric Extension: Oceanic and Continental Core Complexes