Tectonophysics
T21A CC:322 Tues 0830h
High Pressure Minerals: Elasticity, Equation of State and
Phase Equilibrium (joint with M,V)
Presiding: T S Duffy, Princeton Univ; L M Flesch,
SUNY, Stony Brook
0830h T21A-01 A New Hydrous Silicate Phase, Phase
G, a Water Reservoir in the Lower Mantle: *E
Ohtani, H Mizobata, Y Kudoh, T Nagase, H
Arashi, H Yurimoto, I Miyagi
0845h T21A-02 Crystal Structure of the Dense
Hydrous Magnesium Silicate, Phase D: *C T
Prewitt, H Yang, D J Frost
0900h T21A-03 Speciation of Hydroxides in Hydrous
Ringwoodite: *H Kagi, T Inoue, D J Weidner, R
Lu, G R Rossman
0915h T21A-04 P-V-Vp-Vs-T Measurements on
Wadsleyite (Beta-Mg2SiO4) to 7 GPa
900K Using Simultaneous Ultrasonic
Interferometry and In-Situ X Ray Diffraction:
B Li, J Liu, L Flesch, R C Liebermann, J Chen,
M T Vaughan, D J Weidner, G D Gwanmesia
0930h T21A-05 Sound Velocities of Polycrystalline
MgSiO3-Orthopyroxene to 11 GPa at Room
Temperature: *L M Flesch, B Li, R C
Liebermann
0945h T21A-06 Elastic Wave Velocities of Pyrope
Garnet Mg3Al2Si3O12 to 9 GPa
at Room Temperature: *J A Cooke, G Chen, G D
Gwanmesia, R C Liebermann
1000h Break
1020h T21A-07 Measurement of Pyrope Elasticity by
Brillouin Scattering at High Pressures: *P G
Conrad, C S Zha, H Yang, H K Mao, R J Hemley
1035h T21A-08 Synthetic Iron-Bearing Majorite:
High Pressure Structure Refinements: *H M
Smith, J R Smyth, E E Marsh, R J Swope, T
Kawamoto
1050h T21A-09 First Results From the New Diamond
Anvil Cell Facility at the Advanced Photon
Source: *T S Duffy, G Shen, M Rivers, S
Sutton, P Eng, Y Wang, D Heinz, H K Mao,
R J Hemley, Y Ma, J Hu
1105h T21A-10 Effects of 660 Phase Transitions on
Buoyancy and Seismic Signature: Y Wang, D J
Weidner
1120h T21A-11 Inconsistency in Temperature
Determination at the 410 km Discontinuity: *H
Fujisawa
1135h T21A-12 The B1-B2 Transformation of KCl:
Orthorhombic Distortion Then Translation: *D
Walker, S M Clark, M C Johnson, R L Jones
1135h T21A-13 Rhombohedral KClO3 Decomposition: O2
Gas Volumes at 36-76 Kbar: *M C Johnson, D
Walker, S M Clark, R L Jones
T22A CC:HALL E Tues 1330h
Mineral Physics: Elasticity, Equation of State, Phase
Equilibrium, and Kinetics Posters (joint with M,V)
Presiding: F C Hill, Virginia Polytechnic Inst
1330h T22A-01 POSTER Crystal Structure of Calcite
III: *J R Smyth, T J Ahrens
1330h T22A-02 POSTER Thermal Equations of State
of Carbonates With the Calcite Structure: J
Zhang, R J Reeder
1330h T22A-03 POSTER Polytype Distribution in
Phengite Synthesized at 11 GPa: R J Swope,
*S D Jacobsen, J R Smyth, K J Domanik
1330h T22A-04 POSTER Structure and Crystal
Chemistry of Phase G, a New Hydrous
Magnesium Silicate Synthesized at 22 GPa and
1050oC: *Y Kudoh, T Nagase, H Mizohata, E
Ohtani, S Sasaki, M Tanaka
1330h T22A-05 POSTER Effects of Cation Ordering
on the Compressibility of
Pseudobrookite-Type MgTi2O5: *R M
Hazen, H Yang
1330h T22A-06 POSTER The High-Pressure Crystal
Chemistry of the Alkali Feldspars: New Data
From Reedmergnerite, NaBSi3O8: *R T
Downs, H Yang, R M Hazen, L W Finger
07:
Na0.7Mg1.8Fe03.+3Si2.2
Possible Major Mineral Constituent of the
Upper Mantle: *T Gasparik
1330h T22A-08 POSTER High-Pressure Single-Crystal
X Ray Diffraction Study of the
C2/m-P21/m Phase Transition in
Cummingtonite: *H Yang, R M Hazen, C T
Prewitt, L W Finger
1330h T22A-09 POSTER Electrical Resistivity and
Melting Behaviour of an Fe-Si Alloy at High
Pressure: *H Yang, R A Secco
1330h T22A-10 POSTER Structural Similarities in
Na2O:GeO2 Glasses and Liquids at
High Pressure: *R A Secco, K M Ault
1330h T22A-11 POSTER Hydrogen Diffusion and Point
Defect Relaxation in Olivine: *S J Mackwell
1330h T22A-12 POSTER Relative Electronegativities
and Critical Point Properties of Electron
Density Distributions for Oxide Molecules:
*F C Hill, G V Gibbs, M B Boisen
1330h T22A-13 POSTER X Ray Imaging of Stress and
Strain at Multimegabar Pressures: *R J Hemley,
H K Mao, G Shen, J Badro, P Gillet, M
Hanfland, D Hausermann
1330h T22A-14 POSTER The Elastic Properties of
Single-Crystal Rutile From Room Temperature
to 1800 K: *D G Isaak, J D Carnes, B Hake,
H Cynn
1330h T22A-15 POSTER Thermal Expansion of
Minerals: Analytical Forms and Extrapolation:
*P I Dorogokupets
T22B CC:322 Tues 1330h
Criteria for Differentiating Tectonic From Nontectonic Faults
(joint with S)
Presiding: W Lettis, William Lettis and Associates; M Angell,
Geomatrix Consultants
1330h T22B-01 INVITED Techniques for Identifying
Faults and Determining Their Origins:
NRC-Sponsored Research: *W R Lettis, K I
Kelson, J N Baldwin, K L Hanson, M Angell
1350h T22B-02 INVITED Geologically Recent
Faulting and Folding of Alluvial Sediments
Near Pearisburg, Giles County, Virginia:
Tectonic Faulting or Karst Subsidence in
Origin?: *R D Law, E S Robinson, J S Cyrnak,
S Sayer, R T Williams, J Callis, M Pope
1410h T22B-03 INVITED Discrimination of Tectonic
and Nontectonic Faults: A Case Study
Involving 11 Integrated Techniques: *R
Jacobi, J Fountain
1430h T22B-04 Evaluation of the Capability of
Inferred Faults at the Rocky Flats
Environmental Technology Site, Colorado: *M
Angell, K Hanson, T Crampton, K
Coppersmith, T Wood, W Peregoy
1445h Break
1515h T22B-05 INVITED Geologic and Geotechnical
Verification for a Seismic Liquefaction
Origin of Clastic Dikes in Indiana and
Illinois: *S F Obermeier
1535h T22B-06 Liquefaction Evidence for Holocene
Paleo-earthquakes in Central and
Southwestern Illinois: W E McNulty, S F
Obermeier
1550h T22B-07 INVITED Probable Gravitational
(Nontectonic) Origin for Two Conspicuous
Ridge-Top Scarps in the Southern Coast
Mountains, British Columbia: *S C Thompson,
J J Clague, S G Evans
1610h T22B-08 INVITED Differentiation of
Landsliding From Seismogenic Faulting:
Criteria From the Southern Rocky Mountains
and Columbia Plateau: *M W West
1630h T22B-09 Quaternary Deformation Along the
Criner Fault, Oklahoma: A Case Study for
Evaluating Tectonic Versus Landslide Faulting:
*K L Hanson, F H Swan, J R Wesling, K I
Kelson
T31A CC:322 Wed 0830h
Dynamic Topography (joint with G,P,S,V)
Presiding: M McNutt, MIT; M G Kogan,
Lamont-Doherty Earth Observatory
0830h T31A-01 INVITED Dynamic Topography Over
Seafloor and Continents: M A Ravine, *J P
Morgan, W H F Smith
0850h T31A-02 Viscosity of the Upper Mantle
Beneath Continents: Constraints From Geoid
and Dynamic Topography: *M G Kogan, M K
McNutt
0905h T31A-03 Inversion of Topography and Geoid
for Mantle Viscosity Beneath the Pacific
Plate Using Genetic Algorithms: *K J Quinn,
M K McNutt
0920h T31A-04 The Impact on Dynamic Surface
Topography of Subcontinental Roots and
Layering of the Flow at 660 km Depth: *G
Pari, W R Peltier
0935h T31A-05 Subduction Zones: A 2D and
Analytical 3D Convection Modeling for the
Distribution of Volcanism, Seismicity,
Gravity and Topography Variations: *S V
Gavrilov
0950h T31A-06 Plume-Lithosphere Evolution: What
Can We Infer About the Interior From the
Gravity and Dynamic Topography?: *S E Smrekar
1005h Break
1025h T31A-07 Isostatic Topographic Anomalies for
North America and the Boundaries of Thick
Lithosphere: *D H Abbott, W Mooney
1045h T31A-08 INVITED Layered Mantle Convection:
A Model for Geoid and Topography: *L Wen,
D L Anderson
1105h T31A-09 INVITED Deep Shadows of Continents?:
*Y Gu, A M Dziewonski, C B Agee
T32A CC:HALL E Wed 1330h
Structure and Dynamics of the Continental Crust and
Lithosphere Posters (joint with S,V)
Presiding: T M Kusky, Boston Univ; D M Davis, SUNY, Stony Brook
1330h T32A-01 POSTER Continental Interior
Stress-Strain Patterns: A Detailed Traverse
From Eastern Tennessee to Northern Illinois:
*B R Graham, J H Harris, B A van der Pluijm
1330h T32A-02 POSTER A Kinematic Model for the
Formation of Duplex Systems With a Perfectly
Planar Roof Thrust: *J Contreras, M Suter
1330h T32A-03 POSTER Joint Formation and Thermal
Stresses in Cooling Plutons: *S Bergbauer,
C F Hieronymus, S J Martel
1330h T32A-04 POSTER The PT Conditions of
Solid-State Deformation of the Papoose Flat
Pluton, Eastern California: A Fluid
Inclusion and Microstructural Study: *N A
Brauer, R J Bodnar, R D Law
1330h T32A-05 POSTER Uranium, Thorium, and
Potassion Concentrations and Volumetric Heat
Production Rates in Granitoids at the
Eastern Border of Parana Basin, SE Brazil:
T C Q Andrade, *F B Ribeiro
1330h T32A-06 POSTER Constraints on Cooling and
Uplift Rates of the Wind River Range, Wyoming:
*S D Keane, C P DeWolf, E J Essene, A N
Halliday, C M Hall
1330h T32A-07 POSTER The Long-Term and Short-Term
Deformation Fields Determined From
Quaternary Fault Slip Rates and Recent
Geodetic Data in Southern California: *B
Shen-Tu, W E Holt, A J Haines
1330h T32A-08 POSTER Two Hundred Microstrain on
the Hayward Fault in Downtown Fremont - What
Gives?: *R Bilham
1330h T32A-09 POSTER High-Resolution Plate
Reconstructions Across the Diffuse Boundary
in the Equatorial Indian Ocean Since 20 Ma:
C DeMets, *R G Gordon, J Y Royer
1330h T32A-10 POSTER Physical Properties Derived
From Seismic Modelling of the Toe of the
Barbados Accretionary Prism: *R Dolman, G K
Westbrook, S Peacock
1330h T32A-11 POSTER Thermo-Mechanical Modeling
of Ablative Andean Subduction: *D C Pope, S D
Willett
1330h T32A-12 POSTER Controls on Accretion of
Mélange and Flysch Belts, Chugach Terrane,
South-Central Alaska: *T M Kusky, D C Bradley,
P J Haeussler, S Karl
1330h T32A-13 POSTER Role of Terranes in Oblique
Margin Strain Partitioning: *S S B Haq, D M
Davis, D M Mutter
1330h T32A-14 POSTER Strain Partitioning in the
Structures, Seismicity, and Tectonics of
Western Pakistan: *D M Davis, S S B Haq, M
Bernard, W E Holt
1330h T32A-15 POSTER Kinematics of Active
Deformation, Sulaiman Range, Pakistan: *M
Bernard, B Shen-Tu, W E Holt, D Davis
1330h T32A-16 POSTER Deformation Kinematics of
Central and Southeast Asia: *J Ren, W E Holt,
B Shen-Tu
1330h T32A-17 POSTER The Evolution, Geodynamics
and Tectonics of the Western Continental
Margin of India: *L N Kailasam
1330h T32A-18 POSTER Intraplate Earthquakes,
Tectonic Stress Field, and Selective Fault
Reactivation in Eastern China: *W Y Chung
1330h T32A-19 POSTER Flexural Rift Flank Uplift
at the Rio Grande Rift: *C D Brown, R J
Phillips
1330h T32A-20 POSTER Three Dimensional Deflection
of Foreland Basins and Differential Crustal
Loading in Orogens: The Alps/Molasse Basin
System (Switzerland) and the Andes/Bermejo
Basin System (Argentina): *F Schlunegger,
T E Jordan
1330h T32A-21 POSTER Computer Simulation Models
for Thermal Evolution of Stratotype
Proterozoic Cuddapah Basin on South Indian
Lithosphere: S Schleifer, S Bhattacharji
1330h T32A-22 POSTER The Adriatic-Aegean Plate
Boundary Around the Gulf of Arta, NW-Greece:
First Results From Continuous GPS Data and a
Microseismicity Survey: *H G Kahle, G Veis,
S Felekis, D Paradissis, D Hatzfeld, V
Karacostas
1330h T32A-23 POSTER A New Model for the Lower
Crustal Blocks in the Northern Appalachians
Based on Seismic and Gravity Data: *H R
Jackson, K Louden
1330h T32A-24 POSTER Gravity Modeling Across a
Terrane Boundary in Southeastern Pennsylvania:
*L Duan, M L Hill
1330h T32A-25 POSTER Crustal Modelling of Western
Turkey From Studies of the Seismic and
Gravity Data: H S Kuleli, *C Gurbuz, G
Horasan, T Genc
T32B CC:322 Wed 1330h
Mantle Geodynamics (joint with S)
Presiding: R Katzman, MIT; C Kincaid,
URI Grad School of Oceanography
1330h T32B-01 How to Spot a Hotspot: *P Wessel,
L W Kroenke
1345h T32B-02 Teleseismic Shear Wave Splitting
Near the Iceland Hotspot: Results From
ICEMELT: I T Bjarnason, S C Solomon, P G
Silver
1400h T32B-03 The Hotu Matua Volcanic Complex: An
Active Hot Line on the Young Pacific Plate:
D S Scheirer, *D W Forsyth
1415h T32B-04 Image of Small-Scale Convection in
the Pacific Upper Mantle: Implications for
the Hawaii, Marquesas and Society Hotspots: *R
Katzman, L Zhao, T H Jordan
1430h T32B-05 Mantle Flow Contributions to Shear
Wave Splitting Near Continental Roots: *M J
Fouch, K M Fischer, E M Parmentier
1445h Break
1505h T32B-06 Plate Tectonics and Mantle
Convection With Ductile/Brittle Rheology: *V S
Solomatov, L N Moresi
1525h T32B-07 Constraints on the Amount of
Radiogenic Heating in the Mantle From
Convection Models: *D Tjoa, P van Keken
1540h T32B-08 The Influence of Backarc Spreading
on the Thermal and Dynamical Evolution of
the Upper Mantle in Subduction Zones: C
Kincaid, *D F Coleman, I S Sacks
1555h T32B-09 Implications of Seismic Anisotropy
for Three Dimensional Mantle Flow Structure
in Plate Convergent Zones: *C E Hall, E M
Parmentier, K M Fischer
1610h T32B-10 An Experimental Investigation of
Plate- and Buoyancy-Driven Flow at
Subduction Zones: *P S Hall, C Kincaid
1625h T32B-11 Thermal and Dynamical Modeling of
the Mantle Wedge in Northern Honshu and
Comparison With Geophysical Data: *D F
Coleman, C Kincaid, I S Sacks
T41A CC:HALL E Thurs 0830h
Mid-Ocean Ridge Processes Posters (joint with OS,S,V)
Presiding: L Prockter, Brown Univ
0830h T41A-01 POSTER Stable Cl Isotope
Compositions of N- and E-MORB Glasses: *M A
Stewart, E M Klein, A J Spivack, C H Langmuir,
J L Karsten, J F Bender, A J Magenheim
0830h T41A-02 POSTER Anomalously Low
3He/4He Isotope Ratios in Mid-Ocean
Ridge Basalts From the Southern Chile Ridge:
*M Sturm, E M Klein, D Graham, J L Karsten
0830h T41A-03 POSTER Petrology and Major Element
Chemistry of Basalts From 73oN and
76.5oN, Northern Mid-Atlantic Ridge: N
Sushevskaya, *G Cherkashev, P R Vogt, Y
Bogdanov, T Tsekhonya
0830h T41A-04 POSTER Detection and Evaluation of
Bathymetric Changes on the East Pacific Rise
[Near 9o 50'N] Following the 1991
Eruption: *G J Kurras, M H Edwards, D J
Fornari
0830h T41A-05 POSTER Morphological Evidence for
Magmatic and Tectonic Life Cycles of Axial
Volcanic Ridges Along the Mid-Atlantic Ridge
(24oN - 30oN): *L M Prockter, J W
Head
0830h T41A-06 POSTER Identification of Structures
at the Base of Layer 2a Related to the
Evolution of Abyssal Hills, East Pacific Rise:
*A S Long, G A Barth
0830h T41A-07 POSTER The Nature and Persistence
of Layer 2A: Seismic Velocities in the
Uppermost Oceanic Crust: *R L Carlson
0830h T41A-08 POSTER Early Tertiary
"Paleo-Gravity" Fields Over a Nascent
Macquarie Triple Junction: *K M Marks, J M
Stock
0830h T41A-09 POSTER Compressional Tectonics in
Young Oceanic Crust: The Northern Boundary
of the Juan Fernandez Microplate: *M C
Kleinrock, J S Noller, J R Cochran, R T Bird
T41B CC:315 Thurs 1100h
Birch Lecture (joint with S,V)
Presiding: M L Zoback, USGS, Menlo Park
1100h T41B-01 INVITED Melting and Mantle Flow
Beneath Mid-Ocean Ridges: Constraints From
the Seismological Component of the MELT
Experiment: *D W Forsyth
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