Geomagnetism and Paleomagnetism
GP21A CC:HALL C Tues 0830h
Geomagnetism and Paleomagnetism Posters
Presiding: K P Kodama, Lehigh Univ
0830h GP21A-01 POSTER The Gruneisen Parameter for
Iron for Outer Core Conditions and the
Resulting Convective Heat and Power in the
Core: *O L Anderson
0830h GP21A-02 POSTER Testing a Magnetic Dipole
Model: *B Gagnon, M K Seguin
0830h GP21A-03 POSTER Recent Geomagnetic Signs of
a Core Geodynamo: *C V Voorhies
0830h GP21A-04 POSTER Timing and Style of
Deformation in a Polyphase Variscan Orogen
From Paleomagnetic Remagnetizations in the
Cantabria-Asturia Arc, Northern Spain: *A B
Weil, R Van der Voo, B A van der Pluijm
0830h GP21A-05 POSTER Guichon and Endako
Intrusives of British Columbia Revisited:
Geothermobarometric Data for
Tilt-Corrections on the Paleomagnetic Results:
*M J Harris, D T Symons, W H Blackburn
0830h GP21A-06 POSTER Origin of Magnetization in
Carboniferous Carbonates, South Wales
Coalfield, UK: *R D Elmore, M H Engel, M
Davidson, W G Bixler
0830h GP21A-07 POSTER Paleomagnetism of Jurassic
and Cretaceous Carbonates of the Vocontian
Trough, SE France: *B Katz, R D Elmore, M
Cogoini, S Ferry
0830h GP21A-08 POSTER Single Crystal
Paleointensity Studies: *R D Cottrell, J A
Tarduno
0830h GP21A-09 POSTER Basalt of Outlet Falls: A
Record of the Matuyama-Brunhes Reversal?: *M J
Valentine
0830h GP21A-10 POSTER The Near-Earth Magnetic
Field From Magnetospheric, Quiet-Day
Ionospheric, and Toroidal Sources and How It
Is Modeled: Phase II: *T J Sabaka, N Olsen,
R Langel, A Richmond
0830h GP21A-11 POSTER The Storm Time Induced Field
in a Multilayered Earth's Model: M Arreghini,
*S Duhau
0830h GP21A-12 POSTER On the Accuracy of Shipboard
Vector Magnetic Measurements: *T Tanaka
0830h GP21A-13 POSTER Sign Singularity in the
Earth's Magnetic Field: P De Michelis, *G
Consolini, A Meloni
0830h GP21A-14 POSTER The Magnetic Signature of
Subduction Zones: *M E Purucker, P T Taylor
0830h GP21A-15 POSTER Geologic "Stripping" in the
Interpretation of Satellite Magnetic Data:
Examples From the Continental U.S. and its
Gulf Coast and Atlantic Margins: *D Ravat,
M Purucker
0830h GP21A-16 POSTER Equatorial Pacific Magnetic
Anomalies Identified From Vector
Aeromagnetic Data: *B C Horner-Johnson, R G
Gordon
0830h GP21A-17 POSTER Cross-Ridge Comparisons of
Magnetic Anomaly Skewness in the Pacific: *B C
Horner-Johnson, R G Gordon
GP22A CC:HALL C Tues 1330h
Tectonics and Magmatism of the Arctic Region: Cretaceous to
Present I Posters (joint with T)
Presiding: J A Tarduno, Univ of Rochester; B J Coakley,
Lamont-Doherty Earth Observatory
1330h GP22A-01 INVITED POSTER Cretaceous
Granitoids and Crustal Extension in the
Bering Strait Region: *J M Amato, H Rowe,
J E Wright, E L Miller
1330h GP22A-02 POSTER Late Cretaceous Arctic
Volcanism: Tectonic and Climatic Connections:
*J A Tarduno, D B Brinkman, P R Renne, R D
Cottrell, H Scher, P Castillo
1330h GP22A-03 POSTER On the Structure and
Evolution of the Lomonosov Ridge, Arctic
Ocean: *Y Kristoffersen, W Jokat
1330h GP22A-04 POSTER Paleomagnetism of the Eocene
White Pass Dikes: End of Northward
Translation for the Accreted Terranes
Inboard of the Coast Shear Zone: *D T Symons,
M J Harris, C J Hart, W H Blackburn
1330h GP22A-05 POSTER Late Cretaceous Tectonic
Motions "North of 60 Degrees": Paleomagnetic
Evidence From the Mount Lorne Stock, Yukon
Territory: *M J Harris, D T Symons, W H
Blackburn, C J Hart
1330h GP22A-06 POSTER Structure and Segmentation
of the Gakkel Ridge (Arctic Ocean): *J R
Cochran, B J Coakley
1330h GP22A-07 POSTER Structure of the Lomonosov
Ridge From SCICEX Data: *B J Coakley, J R
Cochran
1330h GP22A-08 POSTER Analysis of Kamchatka,
Russia: Constraints From Digital Residual
Magnetics, ERS-1 SAR, and Digital Elevation
Models: *W Harbert, R Anderson, R Saltus,
K A Krylov, S D Sokolov, V N Grigoriev
GP22B CC:HALL C Tues 1330h
Magnetic Anomalies, Rock Magnetism, and Magnetic Mineralogy:
Influences, Relationships, and Case Studies Posters
Presiding: S A McEnroe, Norwegian Geol Survey; L Brown,
Univ of Massachusetts
1330h GP22B-01 INVITED POSTER Are Seafloor
Spreading Magnetic Anomalies Accurately
Recording Paleo Intensity Variations?: *W R
Roest, J Verhoef, R Macnab, J Arkani-Hamed
1330h GP22B-02 POSTER Tectonic and Economic
Implications of a High Resolution
Aeromagnetic Survey in the Illinois Basin: *D
Ravat, T G Hildenbrand, R L Reynolds
1330h GP22B-03 POSTER Rock Magnetic and
Petrographic Studies of Microcline Gneiss
Causing Remanence-Controlled Negative
Aeromagnetic Anomalies, Adirondack
Mountains, USA: Balsley and Buddington
Revisited: *L L Brown, S A McEnroe
1330h GP22B-04 POSTER The Tibet Satellite Magnetic
Anomaly: *R W Girdler, M R E Looyeh
1330h GP22B-05 POSTER Modeling Global Magnetic
Anomalies: *J C Cain
1330h GP22B-06 POSTER Correlation Between Oxide
Mineralogy, Rock-Magnetic Properties and
Aeromagnetic Anomalies: Case Study From the
Sokndal Region, South Norway: *S A McEnroe, P
Robinson
1330h GP22B-07 POSTER Measuring the Oxidation
State of Individual Titanomagnetite Grains
Using Electron Microscopy: *W Zhou, D R
Peacor, R Van der Voo
1330h GP22B-08 POSTER Characterization of
Sub-Surface Features at a Former Industrial
Site Using Non-Invasive Near-Surface
Geophysical Techniques: *D Dahari, A P
de Wet, R S Sternberg
GP31A CC:HALL C Wed 0830h
Long Core Cryogenic Magnetometers I Posters
Presiding: K L Verosub, Univ of Calif, Davis; A P Roberts,
Univ of Southampton
0830h GP31A-01 POSTER A U-Channel Study of
High-Resolution Holocene Relative
Paleo-Intensity Records From Lake Pepin,
Minnesota: *S A Brachfeld, S K Banerjee
0830h GP31A-02 POSTER Magnetostratigraphy and
Relative Paleointensity Data from Pelagic
Sediments at ODP Leg 167 Site 1010 off Baja
California: *A Hayashida, K L Verosub, F
Heider, R Leonhardt
0830h GP31A-03 POSTER Magnetic Characteristics of
Surficial Marine Sediments Observed in
U-Channel Samples from ODP Leg 167 Sites
1016 and 1017 (California Margin): *A
Hayashida, K L Verosub
0830h GP31A-04 POSTER High Resolution Stack of
Relative Paleointensity Records for the Last
80 Kyrs from North Atlandic Deep Sea Cores:
*C Laj, C Kissel, A Mazaud, J Stoner, J E
Channell, A Voelker, M Sarnthein
0830h GP31A-05 POSTER Magnetostratigraphy of the
Gesher Benot Ya'aqov Archaeological Site,
Israel: *K L Verosub, N Goren-Inbar, C S
Feibel, I Saragusti
0830h GP31A-06 POSTER Magnetic Record of
Quaternary Sediments in a Shelf Core From
the South China Sea off Hong Kong: W W Yim,
L S Chan, *K L Verosub, A H Davis, C H Yeung
0830h GP31A-07 POSTER Magnetostratigraphy,
Environmental Magnetism and Pedology of a 1
My Record of the Palouse Loess, Washington
State: A J Busacca, *K L Verosub, E V
McDonald, E M Murphy
0830h GP31A-08 POSTER Variation in Magnetic
Signature of Paleosols in Stream-Dominated
Alluvial Fan Deposits, Kings River, San
Joaquin Valley, California: G S Weissmann,
*K L Verosub, T Harter, G E Fogg
0830h GP31A-09 POSTER A Relative Paleointensity
Record of the Geomagnetic Field Since 1 Ma
From the California Margin (ODP Site 1021):
*C Richter, Y Guyodo, J P Valet, X X
Leg 167 Scientific Party
GP31B CC:HALL C Wed 0830h
Symposium on Contributions from Ocean Drilling to
Geomagnetism and Paleomagnetism I Posters
Presiding: L Tauxe, Scripps Inst of Oceanogr; B M Clement,
Florida Intl Univ
0830h GP31B-01 POSTER Sedimentary Records of Three
Geomagnetic Excursions During Oxygen Isotope
Stages 7 and 8 From the Blake Ridge, North
Atlantic: *T Williams, G Acton, M Hastedt,
B Clement, S Lund, M Okada
0830h GP31B-02 POSTER 160 Million Years of
Geomagnetic Paleointensity: T Juarez, *L
Tauxe, J S Gee, T Pick
0830h GP31B-03 POSTER Relative Paleointensity
Across the Jaramillo Subchron and
Directional Behaviour During the Upper
Jaramillo Transition From Marine Sediments
of ODP Leg 167 (California Margin): R
Leonhardt, F Hufenbecher, *F Heider, A
Hayashida, K L Verosub
0830h GP31B-04 POSTER Geomagnetic Paleointensity
and Oxygen Isotope Records From 1.1 Ma to
the Brunhes-Matuyama Boundary at ODP Site 983:
*J E Channell, H F Kleiven
GP31C CC:HALL C Wed 0830h
Paleomagnetism and Paleoclimate I Posters
Presiding: F Heller, ETH Zurich
0830h GP31C-01 POSTER Paleoclimatic Influence on
Rock Magnetic Properties of Sediments From
the Tanner Basin, California Borderlands
(ODP Leg 167 Site 1014): *F Heider, J Bock,
J P Kennett, I Hendy
0830h GP31C-02 POSTER Measuring the Size and Shape
of Magnetic Particles With Neutron
Diffraction: S Spooner, D Heslop, *D
Walton
0830h GP31C-03 POSTER Rock Magnetism, Chronology
and Paleoenvironmental Change of the
Loess/Paleosol Sequence at Roxolany (Ukraine):
*F Heller, M Sartori, J Hus, E A Hailwood,
T Gendler, E Virina, A Tsatskin
0830h GP31C-04 POSTER Relationship Between
Rock-Magnetic Properties and Climatic Change
in High Alpine Lakes: *L Lanci, A M Hirt, W
Lowrie, G Lemcke, M Sturm, A Lotter
0830h GP31C-05 POSTER New Magnetic Mineral Results
From Lake Ely, PA Support Rainfall-Magnetic
Mineral Concentration Correlation: *K P
Kodama, M Krakoff, R E Moeller, P Fahringer
0830h GP31C-06 POSTER The Secular Variation of the
Geomagnetic Westward Drift in the Last 1000
Years: *S Duhau, E Martinez
0830h GP31C-07 POSTER Climatic Record of Biogenic
Silica in Lake Baikal Sediments During
Brunhes: Comparison With Marine Isotopic
Records and Siberian Stratigraphic Schemes:
*E Karabanov, D Williams, A Prokopenko, M
Kuzmin, V Gelety, G Kalmychkov, A Gvozdkov,
J Peck, J King
0830h GP31C-08 POSTER The Pleistocene History of
Centric Diatoms in Lake Baikal: Effects of
Environmental Changes Related to
Glacial-Interglacial Fluctuations: *G
Khursevich, E Karabanov, D Williams, A
Prokopenko, M Kuzmin, A Gvozdkov
0830h GP31C-09 POSTER Evidence of Heinrich Events
in Continental Diatom Record From Lake
Baikal, Siberia: *A Prokopenko, E Karabanov,
G Khursevich, D Williams, M Kuzmin, A
Gvozdkov
0830h GP31C-10 POSTER Mineral Magnetic Comparisons
Between China and Siberia: *M E Evans, N W
Rutter, C D Rokosh, J Chlachula
0830h GP31C-11 POSTER Rapid Changes in Deep North
Atlantic Circulation Inferred From Study of
Magnetic Properties During Climatic Stage 3:
*C Kissel, T Dokken, E Jansen, D Blamart,
C Laj, L Labeyrie, M Sarnthein, A Voelker
GP31D CC:HALL C Wed 0830h
Microbial Biomineralization of Magnetic Iron Minerals I
Posters
Presiding: B M Moskowitz, Univ of Minnesota; R B Frankel, Caltech
0830h GP31D-01 POSTER Magnetic Characteristics of
a Bacterially-Produced Magnetic Iron
Sulphide Mineral and Sorption of Metals and
Radioactive Nuclides: *A P Roberts, J H
Watson, I W Croudace, P E Warwick, D C
Ellwood
0830h GP31D-02 INVITED POSTER Kinetics and
Morphological Characterization of Magnetite
Formation by a Thermophilic Fermenting
Bacterium: *C Zhang, H Vali, C S Romanek,
S V Liu, T J Phelps
0830h GP31D-03 INVITED POSTER Structures,
Morphologies, and Compositions of Iron
Sulfides From Magnetotactic Bacteria: *M
Posfai, P R Buseck, D A Bazylinski, R B
Frankel
0830h GP31D-04 POSTER Magnetic Particles in the
Human Brain and Other Organs: *P P
Schultheiss-Grassi, J P Dobson, F Heller, W
Lowrie
0830h GP31D-05 POSTER A New Model of a Magnetic
Field Transducer in Animals Based on
Superparamagnetic Magnetite: *M Winklhofer,
V P Shcherbakov, N Petersen, M Hanzlik, G
Fleissner, E Holtkamp-Roetzler
GP32A CC:101 Wed 1330h
Paleomagnetism and Paleoclimate II
Presiding: J E T Channell, Univ of Florida; A P Roberts,
Univ of Southampton
1330h GP32A-01 INVITED Magnetic Signatures in
Sediments: Sources and Paleoenvironments: *F
Oldfield
1350h GP32A-02 INVITED Cyclicity of the Magnetic
Susceptibility Signal of Deep-Sea Sediments
From the Atlantic Ocean: *C Richter, P Blum
1410h GP32A-03 INVITED Magnetic Anisotropy of
Sediments and Bottom Water Circulation in
the North Atlantic Ocean: *C Kissel, C Laj,
L Labeyrie, G Auffret, A Vangrieshem
1430h GP32A-04 INVITED Millennial Scale Ice Sheet
to Marine Sediment Correlations Based on
Relative Geomagnetic Paleointensity: *J S
Stoner, J E T Channell, C Hillaire-Marcel, G
Bilodeau
1450h GP32A-05 Environmental/Climatic Information
From Clastic Sediments Deposited in Kulna
Cave, Czech Republic, During the Last
Glacial/Interglacial: *P Sroubek, J F Diehl,
J Kadlec, K Valoch, F Heller
GP32B CC:101 Wed 1530h
Microbial Biomineralization of Magnetic Iron Minerals II
Presiding: B M Moskowitz, Univ of Minnesota; R B Frankel, Caltech
1530h GP32B-01 INVITED New Occurrences of
Dissimilatory Magnetite and of Greigite: *F
Oldfield
1545h GP32B-02 INVITED Magnetic Bacteria and Their
Magnetosomes in Marine Sediments:
Microscopic, Rock-Magnetic and Genetic
Approaches: *H Petermann, T Matsunaga, K
Inoue
1600h GP32B-03 INVITED Remanent Magnetization of
Biogenic Magnetite and the Biochemical
Lock-In of Remanence in Marine Sediments: *J A
Tarduno
1615h GP32B-04 Evaluating Magnetofossil Lock-in
Behavior Using Magnetic Fabrics and
Low-Temperature Remanences: *B A Housen, B M
Moskowitz
1630h GP32B-05 The Depth-Distribution of Magnetic
Properties Associated With Magnetotactic
Bacteria Populations in the Water Column of
a Chemically-Stratified Coastal Pond: *B M
Moskowitz, D A Bazylinski, R B Frankel, B H
Howes, D R Schlezinger
1645h GP32B-06 INVITED Stable Oxygen and Iron
Isotopic Analyses of Magnetites Produced by
Magnetotactic Bacteria: *K W Mandernack, D
Bazylinski, W C Shanks, T Bullen
GP42A CC:112 Thurs 1330h
The Geodynamo: Numerical Simulations, Laboratory Experiments,
and Geophysical Observations II (joint with P,T)
Presiding: R S Coe, Univ of Calif, Santa Cruz; G A Glatzmaier,
Los Alamos National Lab
1330h GP42A-01 INVITED The Physics Basis for the
Madison Dynamo Experiment: *C B Forest, R
O'Connell, R Kendrick, R Holme, M McDowell
1350h GP42A-02 Statistical Characterization of
Glatzmaier-Roberts Geodynamo Simulations: *L
Hongre, R S Coe, G A Glatzmaier, P H Roberts
1405h GP42A-03 INVITED The Core-Mantle Boundary
Revealed From PKP Precursors: *L Wen, D V
Helmberger
1425h GP42A-04 Dynamo Simulations and Time-Averaged
Paleomagnetic Secular Variation: *R S Coe, L
Hongre, G A Glatzmaier, P H Roberts
1440h GP42A-05 Inverting for Rapid Variations of
the Main Field: *S A Zatman, T J Sabaka
1455h GP42A-06 Westward Drift: Phase Propagation of
the Field, Not Core Flow: *G A Glatzmaier,
P H Roberts
1510h Break
1530h GP42A-07 The Role of Self-Compression in
Energy Generation by Compositional and
Thermal Convection in the Core: *F D Stacey,
C H B Stacey
1545h GP42A-08 Tempo of the Geodynamo From
~L40~KAr/~L39~KAr Geochronology: *B S Singer,
K A Hoffman, A Chauvin, R S Coe, M S Pringle
GP42B CC:112 Thurs 1600h
Cox Lecture
Presiding: R S Coe, Univ of Calif, Santa Cruz
1600h GP42B-01 INVITED Is It Worth Modifying the
Geocentric Axial Dipole Model of the
Time-Averaged Paleomagnetic Field?: *D V Kent
GP51A CC:101 Fri 0830h
The Role of Precession, Solid Earth Tides, and Solid Core
Motions in Core Dynamics and the Geodynamo
Presiding: J Vanyo, Univ of Calif, Santa Barbara; R Kerswell,
Univ of Bristol
0830h GP51A-01 INVITED Precessional Driving of
Motions in Earth's Core: *P H Roberts, G A
Glatzmaier
0845h GP51A-02 Simulated Liquid Core Precession:
UCSB 1997-98: *B Dunn, J P Vanyo
0900h GP51A-03 INVITED Precessing Flows Modelled
As Discontinuous Structures: *J P Vanyo
0915h GP51A-04 INVITED Spectral Characteristics of
Elliptical Instability in Rotating
Ellipsodial Fluid Shells: Applications to
the Earth's Fluid Core: *K D Aldridge, B
Seyed-Mahmoud
0930h GP51A-05 Nonlinear Aspects of the Tidal
(Elliptical) Instability: *R R Kerswell
0945h GP51A-06 Tidal and Precessional Planetary
Hydromagnetics: *W V R Malkus
GP51B CC:101 Fri 1030h
Tectonics and Magmatism of the Arctic Region: Cretaceous to
Present II (joint with T)
Presiding: J A Tarduno, Univ of Rochester; B J Coakley,
Lamont-Doherty Earth Observatory
1030h GP51B-01 Arctic Margin Gravity Highs: Deeper
Meaning for Sediment Depocenters ?: *P R Vogt
1045h GP51B-02 Aerogeophysical Survey of the Arctic
Ocean: *V A Childers, J M Brozena, L C Kovacs,
L A Lawver, M F Peters
1100h GP51B-03 Lithospheric Satellite Magnetic
Anomalies of the Arctic and Asia: *P T Taylor,
D E Alsdorf, R R B von Frese, H R Kim, J J
Frawley
1115h GP51B-04 Crustal Geopotential Field Anomalies
of Greenland: *D R Roman, R R B von Frese
1130h GP51B-05 INVITED Circum-Greenland Plate
Motions: New Constraints From Magnetic and
Gravity Data: *W R Roest, S P Srivastava
GP52A CC:101 Fri 1330h
Long Core Cryogenic Magnetometers II
Presiding: K L Verosub, Univ of Calif, Davis; A P Roberts,
Univ of Southampton
1330h GP52A-01 On the Development of Long Core
Magnetometers: *W S Goree, M Fuller
1350h GP52A-02 INVITED The Long-Core Cryogenic
Magnetometer Set-Up at Gif-sur-Yvette: *C
Laj, A Mazaud, C Kissel
1405h GP52A-03 Computer Graphics Methods for the
Display and Analysis of Large Paleomagnetic
Datasets: E Jurrus, K Joy, *K L Verosub
1420h GP52A-04 Limitations of the Long-Core
Paleomagnetic Measurement Technique: *A P
Roberts
1435h GP52A-05 Ultrahigh Resolution Paleomagnetic
and Environmental Magnetic Record From Late
Pleistocene and Holocene Sediments, Saanich
Inlet, Vancouver Island, British Columbia:
*K L Verosub, R Karlin
1450h GP52A-06 Calibration of Pass-Through
Magnetometers for Optimal Deconvolution: *R L
Parker, C G Constable, J Gee
GP52B CC:101 Fri 1530h
Symposium on Contributions from Ocean Drilling to
Geomagnetism and Paleomagnetism II
Presiding: L Tauxe, Scripps Inst of Oceanogr; B M Clement,
Florida Intl Univ
1530h GP52B-01 INVITED Brunhes Geomagnetic
Paleointensity Records at ODP Site 983 and
Site 984 and the Origin of Observed
Periodicities: *J E Channell, D A Hodell, J
McManus, B Flower, B Lehman
1545h GP52B-02 INVITED A 3-Million-Year Relative
Paleointensity Record From Ontong-Java
Plateau Sediments: *Y S Kok, L Tauxe
1600h GP52B-03 INVITED Evidence for Large Scale
Motion of Hotspot Groups Derived From Ocean
Drilling Program Studies: *J A Tarduno, R D
Cottrell
1615h GP52B-04 INVITED Magnetic Minerals, They Are
a Changing: *B A Housen
1630h GP52B-05 INVITED Grain-Size-Dependent
Alteration of Ti-Fe-Oxides in Ocean-Floor
Basalts: *W Zhou, R Van der Voo, D R Peacor
1645h GP52B-06 INVITED The Current Status of the
Cobb Mountain Subchron: Contributions From
Ocean Drilling Program Cores: *B M Clement
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