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VB11A EC:Arena Mon 0830h
VJS3 Volcanic Crater Lakes - Posters (joint with H,V)
Presiding: S J Freeth, Univ College of Swansea
0830h VB11A-01 POSTER Mineralogy and Geochemistry of
Bottom Sedimentogenesis in Active Underwater
Hydrothermal Systems Confined to Volcanic
Calderas: *A B Osipenko, G A Karpov, S M
Fazlullin, G M Gavrilenko, V A Eroschev-Shak
0830h VB11A-02 POSTER Eruptions of Pyroclastic Sulphur at
Crater Lake of Copahue Volcano, Argentine:
D H Delpino, *A M Bermudez
VB11B EC:Arena Mon 0830h
V3 Magma Degassing and Explosive Eruptions - Posters
Presiding: M Bursik, SUNY Buffalo; A Woods, Cambridge
0830h VB11B-01 POSTER Generation of Pyroclastic Flows as a
Result of Secondary Phreatomagmatic
Explosions on Lava Flows During 1994
Eruption of Kluchevskoy Volcano (Kamchatka):
*A B Belousov
0830h VB11B-02 POSTER Discriminations in Generation of
Pyroclastic Deposit Types From Andesitic
Volcanoes of Kamchatka (in the Bezymianny
Volcano Case): *G E Bogoyavlenskaya, O A
Girina
0830h VB11B-03 POSTER The Kliuchevskoi Volcano Eruptions
in 1993 and 1994 and Its Activity During the
Last Decade: G E Bogoyavlenskaya, A Y Ozerov,
S A Khubunaya
0830h VB11B-04 POSTER On Estimating the Amount of
Explosive Gas Emitting During
Strombolian-Type Eruptions: P P Firstov, N M
Kravchenko
0830h VB11B-05 POSTER On the Transport Mechanisms of Hot
Ash Flows: *A Freundt
0830h VB11B-06 POSTER Experiments on Gas Slug Ascent: *A
Freundt, R Seyfried
0830h VB11B-07 POSTER Experiments on Gas-Ash Separation
Processes in Volcanic Umbrella Clouds: *R E
Holasek, S Self, A W Woods
0830h VB11B-08 POSTER Petrologic-Geochemical Indicators of
Andesitic Volcano Eruption Types: *B V Ivanov
0830h VB11B-09 POSTER Endogenetic Factors Bearing on the
Explosive Eruptions: *A Koloskov
0830h VB11B-10 POSTER Field Experiments in Fluid Dynamics:
*F Le Guern, Y Cornette, K Froget, R X
Faivre-Pierret, P Burghoffer
0830h VB11B-11 POSTER Rheological Burst as Mechanism of
Andesitic Pyroclastics Formation: *A P
Maximov
0830h VB11B-12 POSTER Simultaneous Observation of Air and
Seismic Waves in 1993 Eruption of Mt. Mayon,
Philippines: H Oshima, B S Tubianosa, R S
Punongbayan, H Okada
0830h VB11B-13 POSTER A New Recording System and
Experimental Observation of Pyroclastic Flow
at Unzen Volcano, Japan: *H Oshima, T Maekawa
0830h VB11B-14 POSTER Nitrogen Solubility in Silicate
Melts and Crystals: With Implications for
Magma Degassing: *S N Shilobreeva, A A Kadik
0830h VB11B-15 POSTER Extrusive Eruptions and Mechanism of
the Transition Between Plinian and Extrusive
Regimes. The Examples of St. Helens 1980,
Bezymyanny 1956, and Shiveluch 1964 Eruptions:
*I B Slezin
0830h VB11B-16 POSTER Physical Model of Bubble Formation
and Eruption in Metastable Liquids: A S
Steinberg, A M Taratorin, M L Khitrov
0830h VB11B-17 POSTER Laboratory Modeling of Explosions:
*G S Steinberg
0830h VB11B-18 POSTER The Source of Explosive Eruptions of
Sakurajima Volcano, Japan: K Uhira, *M Takeo
0830h VB11B-19 POSTER Source Mechanism of Seismic Waves
Excited by Pyroclastic Flows Observed at
Unzen Volcano, Japan: K Uhira, H Yamasato, *M
Takeo
0830h VB11B-20 POSTER Eruption Mechanism Inferred From
Pumice of Asama Volcano, Japan: *K Yasuda, K
Kurita, Y Kobayashi
0830h VB11B-21 POSTER Gas-Powered Volcanic Eruptions. II.
Watching Simulated Eruptions in Action: *Y
Zhang, B Sturtevant, E M Stolper
VB12A SRC:Room 1 Mon 1330h
VJS3 Volcanic Crater Lakes (joint with H,V)
Presiding: S J Freeth, University College of Swansea; J C
Varekamp, Wesleyan University
1330h VB12A-01 The Subglacial Grimsvotn Caldera Lake,
S-Iceland: Chemical Thermometry and Energy
Release: *N Oskarsson
1350h VB12A-02 Rollover in Volcanic Crater Lakes?: *A Rice
1410h VB12A-03 Chemical Characters of Crater Lakes at
Quiescent Volcanoes: *M Martini
1430h VB12A-04 The Lonar Crater Lake: *K S Murty
1445h VB12A-05 Energy-Flux Balance Models for Crater Lakes:
J C Varekamp, G Pasternack
1505h Break
1530h VB12A-06 The Utility of Heat and Mass Fluxes at Lake
Nyos, Cameroon: *W C Evans, M L Tuttle, G W
Kling
1550h VB12A-07 A Numerical Simulation of the Temperature
and Carbon Dioxide Structure in Lake Nyos:
L H Kantha, S M Freeth
1610h VB12A-08 Geochemistry of the Crater Lake of Kelut
Volcano in Indonesia: *A Bernard, D Tedesco
1630h Discussion
VB12B Duane Physics:G020 Mon 1330h
V3 Magma Degassing and Explosive Eruptions
Presiding: M Bursik, SUNY Buffalo; A Woods, Cambridge
1330h VB12B-01 Sequential Emplacement of the Ignimbrite
Citlaltepetl at Pico de Orizaba Volcano,
Mexico, During the Holocene: *G
Carrasco-Nunez
1345h VB12B-02 Vent Migration and Changing Eruptive Style
During the 1800 yr BP Taupo Eruption: New
Evidence From the Hatepe and Rotongaio
Phreatoplinian Ashes: *R T Smith, B F
Houghton
1400h VB12B-03 Intrusive Magma Degassing Tracked by
Volatile Fluxes at a Steadily Erupting
Volcano: Stromboli, Italy: *P Allard, J
Carbonnelle, H Loyer, N Lefol, N Metrich, G
Pinte
1415h VB12B-04 Volatile Variations in Pyroclastic Series
From Las Canadas Caldera (Tenerife Island):
A Contribution to the Understanding of Its
Explosive History: *M T Villegas, V Arana, A
Buccianti, M Martini
1430h VB12B-05 Critical Pore Gas Pressure of Dacite Lavas
in Transition From Dome Extrusion to
Vulcanian Explosion at Unzen Volcano, Japan:
H Sato, T Kitamura, M Kusakabe, S Nakada
1445h VB12B-06 Origin of the Sound Generated by Strombolian
Explosions: *S Vergniolle, G Brandeis
1500h Break
1530h VB12B-07 Volcanic Sulfur Dioxide Mass Estimates From
TOMS: A J Krueger, L S Walter, *P K Bhartia,
C C Schnetzler, N A Krotkov, I Sprod, G J
Bluth
1545h VB12B-08 The Effects of Magma Composition Variations
on the Dynamics of Magma Ascent During
Explosive Eruptions: *P Papale
1600h VB12B-09 Mechanism of Degassing of Silicic Melts and
Eruption of Ignimbrites: *V N Anfilogov, E I
Erlich
1615h VB12B-10 Quench Supersaturation Explosions:
Application to the Volcanic Environment: *A
Rice
1630h VB12B-11 Experiments on the Explosive Fragmentation
of Erupting Magma: *I Sugioka, M I Bursik
VB21A EC:Arena Tues 0830h
VJS4 Geochemical and Geophysical Signatures of Mantle Plumes -
Posters (joint with G,S,SEDI,V)
Presiding: A Rocholl, Univ Heidelberg
0830h VB21A-01 POSTER Cretaceous Intraplate Volcanism in
the W-Pacific: A Sr-Nd-Pb Isotopic Study: *A
Koppers, H Staudigel
0830h VB21A-02 POSTER Insights on Mantle Plume Origin and
Structure From the Society Islands: *W M
White
0830h VB21A-03 POSTER Primary Magma Compositions of
HIMU-OIB From Cook-Austral Islands: *T
Kogiso, H Shimoda, H G Barsczus, Y Tatsumi
0830h VB21A-04 POSTER Rare Gas Profile Across a Hawaiian
Mantle Xenolith: *A Rocholl, E Heusser, T
Kirsten, J Oehm, H Richter
0830h VB21A-05 POSTER The Isotopic Chemistry of Basalts
vs. Melting Depth Geomagnetic Correlations
and a Proposal for an Explanation: *G P
Gregori, G M Crisci
0830h VB21A-06 POSTER Is There a Hot Spot Under the Sicily
Channel? Evidence From the Island of
Pantelleria: *L Civetta, M D'Antonio, G Orsi,
G R Tilton
0830h VB21A-07 POSTER Geophysical Fields and Background of
Exceptional Structure for Deep Latent Mantle
Plume in Bohai Sea: T Jiwen, Z Zhongjie, W
Aiwu, Z Bingming
0830h VB21A-08 POSTER Geophysical Signatures of Mantle
Plume of North China Basin: *V V Baranova
0830h VB21A-09 POSTER Imaging a Mantle Plume Beneath the
Massif Central (France) by a
Multidisciplinary Approach: *M Granet, U
Achauer, M Wilson, R P Patterson
0830h VB21A-10 POSTER Seismic Signature of the Mantle
Plume Beneath Southern Africa: *L Vinnik, R
Green, L Nicolaysen, L Kosarev, N Petersen
0830h VB21A-11 POSTER Hotspot Detection From Seismological
Data: *J P Montagner, E Stutzmann, G Roult, P
Lognonne
VB21B D WRD:Auditorium Tues 0830h
VJS4 Geochemical and Geophysical Signatures of Mantle Plumes
(joint with G,S,SEDI,V)
Presiding: W M White, Cornell Univ; U Christensen,
Inst fur Geophysik
0830h VB21B-01 INVITED Mantle Plumes: Introduction and
Overview: *W M White
0845h VB21B-02 INVITED Generation and Rise of Mantle Plumes:
*G F Davies
0905h VB21B-03 INVITED The Structure of Thermal Plumes in
the Mantle: *L H Kellogg, S D King
0925h VB21B-04 Plume Generation and Mantle Flow Reversal
due to Heat-Screening Effect of the
Supercontinent: *A Bobrov, V Trubitsyn
0940h VB21B-05 The Dynamics of Asymmetric Lithosphere: Or
Why Do Flood Basalts Occur at Craton
Boundaries?: *S D King
0955h Break
1025h VB21B-06 INVITED Mantle Plume Dynamics and
Geochemical Entrainment: *C G Farnetani, M A
Richards
1045h VB21B-07 INVITED Mantle Plumes and Other Chemical
Messages From the Earth's Interior: *E H
Hauri
1105h VB21B-08 INVITED Pb-He Isotope Evidence for a Common
Mantle Plume Source: *B B Hanan, D W Graham
1120h VB21B-09 Differences in the Isotopic Ratios of the
Hot Spot Volcanism: *W Marzocchi, F
Mulargia
1135h VB21B-10 O-Isotope Geochemistry of Ocean Island
Basalts: *R S Harmon, J Hoefs
1150h VB21B-11 Delta~L18~KO of Basalts From the Iceland
Mantle Plume: Evidence for Recycling of
Oceanic Crust?: *B Gautason, K Muehlenbachs,
M Heinesen, R Waagstein
VB21C EC:Arena Tues 0830h
V6 Arc Volcanism and Sedimentation - Posters
Presiding: R V Fisher, Univ of California, SB; R Cas, Monash Univ
0830h VB21C-01 POSTER On Ash Redeposition Rates and
Generation of Tephroids in the Coastal and
Continental Areas of Active Volcanism: *V A
Budnikov
0830h VB21C-02 POSTER Compositional Variability of Marine
Hydrothermal Solutions and Sediments From
Two Active Island Arcs: *D S Cronan
0830h VB21C-03 POSTER Inner Structure of the Funnel-Shaped
Nigorikawa Caldera Clarified by 3 km Deep
Geothermal Wells, Hokkaido, Japan: *H
Kurozumi, N Doi
0830h VB21C-04 POSTER Subaqueous Erupted Dacitic Pumice
and Basaltic Peperite Dredged From the Bank
Between Hachijyoshima Is. and Aogashima Is.,
North Part of Izu-Ogasawara Arc, Japan: *I
Sakamoto, T Sato
0830h VB21C-05 POSTER Pyroclastic Surge Deposits of
Bezymianny Volcano: *O A Girina
0830h VB21C-06 POSTER Convective Differentiation of
Pyroclastic From Andesitic Volcanoes: *O A
Girina
0830h VB21C-07 POSTER Folding Related to Devonian Peperite
Formation, Northern Sierra Nevada, California:
*E R Brooks
0830h VB21C-08 POSTER The Enormous Chillos Valley Lahar,
Cotopaxi Volcano, Ecuador: *M L Hall, P A
Mothes, R Janda
0830h VB21C-09 POSTER Lahars of the 26 June, 1877 Eruption
of Cotopaxi Volcano, Ecuador: *P A Mothes,
M L Hall, R Janda
VB21D SRC:Room 1 Tues 0930h
V6 Arc Volcanism and Sedimentation
Presiding: R V Fisher, Univ of California, SB; R Cas, Monash Univ
0930h VB21D-01 INVITED The Role of a Minor Change in
Regional Convergence Vectors in Causing
Almost Immediate Inception of Arc Volcanism
in the Early Miocene of Northern New Zealand:
*I E M Smith, P F Ballance, M J Isaac
1000h Break
1030h VB21D-02 Origins of Three Distinct Types of
Subaqueous Pyroclastic Mass Flow Deposits in
an Oceanic Arc Terrane: Evidence From the
Early Cretaceous Alisitos Group, Baja
California (Mexico): *B N Fackler Adams, C J
Busby
1045h VB21D-03 Volcaniclastic Backarc Neogene Sedimentation
of the Andes (SVZ), Argentina: *M M Mazzoni
1100h VB21D-04 Chronology of the 1994 Lahars at Mount
Pinatubo and Consequent Hazards and Risks:
R A Arboleda, S G Catane, *P J Delos Reyes,
M L Martinez, H T Mirabueno, T M Regalado,
B S Tubianosa, J V Umbal, R S Punongbayan,
C G Newhall, R A Alonso
1115h VB21D-05 Interactions Between Volcanism and Fluvial
Sedimentation, Central Arizona, USA: *T J
Schroeder, J C Hurlbert, N R Riggs
1130h VB21D-06 Flow and Deposition Mechanism of the
Hokkaido Komagatake 1929 Pyroclastic Flow
and the Unzendake 1991-1995 Pyroclastic
Flows, Japan: *S Takarada
1145h VB21D-07 Paleovegetational Evidence for the Onset of
Arc Volcanism: Eocene/Oligocene Cedarville
Flora, Western Cascades (USA): *J A Myers,
R V Fisher
VB21E EC:Arena Tues 0830h
V9 General Volcanology/Geochemistry - Posters
Presiding: R Carlson, Carnegie Inst
0830h VB21E-01 POSTER Copper Sulphide Mineralization and
Minerals Related to the Volcanites of the
Albania's Ophiolites: V Bezhani, M Koci
0830h VB21E-02 POSTER On Some Features of Whole Rock and
Mineral Rb-Sr Isochrons: *S Brandt, M
Maslovskaya, V Chernikov
0830h VB21E-03 POSTER Sorption Properties of Ash From
Basaltic Volcanoes: *V A Budnikov
0830h VB21E-04 POSTER Fission Track and ~L40~KAr/~L39KAr
Dating of the Late Cretaceous Zhangzhou
Igneous Complex, SE China: C H Chen, J L Tien,
C H Lo, W Kelong
0830h VB21E-05 POSTER The High-Titanium Volcanic Rocks in
the Area of Central-Kamchatka Depression: *T
Churikova, A V Koloskov
0830h VB21E-06 POSTER Sr Isotope Systematic in Whole
Rocks, Plagioclase Phenocrysts, and Glasses
for Single Volcano (Kamchatka): *T Churikova,
Y A Kostitsyn
0830h VB21E-07 POSTER Hydrogen Activities in the Upper
Mantle: *D Letian, S Changqi, R Jiasu
0830h VB21E-08 POSTER Depth Temperatures and Fluid
Movement in Chaves Region: *M R Duque, F A
Monteiro Santos
0830h VB21E-09 POSTER Mechanism of Fissure Eruptions: *S A
Fedotov
0830h VB21E-10 POSTER The Evolution of the Volcanic
Processes Within the Gutai Mts. (East
Carpathians, Romania): *A Fulop, S Halga
0830h VB21E-11 POSTER Compositional Changes in the Barren
Island Eruption: D Haldar, P K Banerjee
0830h VB21E-12 POSTER Late Miocene Melafoidites of Central
Iran: A New Timing Constraint on the Zagros
Continental Collision: *J Hassanzadeh
0830h VB21E-13 POSTER Some Aspects of Evolutionary History
of Andaman Ophiolite Suite (AOS), India: *S G
Karkare, A Tripathi
0830h VB21E-14 POSTER Sectors of the Earth's Continental
Hemisphere and Development of Large Rift
Zones: *G G Kochemasov
0830h VB21E-15 POSTER Radionuclides Constraints on
Degassing Processes at Mount Etna During the
Period 1983-1994: M F Le Cloarec, B Ardouin,
M Pennisi
0830h VB21E-16 POSTER The Sulphur Behavior in Volcanic and
Industrial Systems: Help to Interpret
Planetary Volcanism: *F LeGuern, B
Cheynet Thermodata
0830h VB21E-17 POSTER Mt. Clisbako, Central British
Columbia: Stratigraphy of an Eroded Eocene
Volcano Hosting Epithermal Mineralization: *P
Metcalfe, C B Hickson
0830h VB21E-18 POSTER Taftan: Un Volcanisme d'Une
Subduction Permanente: *H Moine-Vaziri
0830h VB21E-19 POSTER Petrological Changes in the
Evolution of Deception Island, Antarctica: C
Risso, A Aparicio, A Caselli, R Ortiz
0830h VB21E-20 POSTER The Arbansky Massif - The Largest
Block of Early Precambrian Upper Mantle and
Lower Crustal Rocks in Russia: *E V Sharkov,
E E Laz'ko, M M Bogina, B V Sarelainen, J E
Quick
0830h VB21E-21 POSTER Experimental Investigation of Magmas
Mixing: *R N Sobolev
0830h VB21E-22 POSTER Temperature of Acid Magma Lifting:
*R N Sobolev
0830h VB21E-23 POSTER Tectonic Evolutions of Volcanic Belt
in Eerqisi Xinjiang, China: *Y Xueyuan
0830h VB21E-24 POSTER Construction of Lithosphere Profile
at Nushan, East China: An Application Study
of Xenoliths in Cenozoic Basaltic Rocks: *X
Xu, X Zhou, S Y O'Reilly
0830h VB21E-25 POSTER On Crust Evolution of South-East
China Using Granite as a Probe: *W Yixian
0830h VB21E-26 POSTER Why Do Three Types Exist in the
Relation Between Edifice Height, Height
Above Sea Level, and Height of Base of the
Volcanoes in the Subduction Zones?: *A
Yoshida
0830h VB21E-27 POSTER Magma Origin and Evolution of
Volcanic Rocks in Eerqisi, Xinjiang, China: *B
Zhenghua
0830h VB21E-28 POSTER Alkaline-Rich Plutons - A Key to
Understanding the Mantle: *Z Zhenhua
0830h VB21E-29 POSTER Modern Mantle-Derived Fluid Release
at the Areas of Volcanic Activity in China: *S
Zhiguan
0830h VB21E-30 POSTER Volcanic Gases Emission Temperature
Deduced From the Composition of Dust in the
Snow: *F Le Guern, B Cheynet
0830h VB21E-31 POSTER Eduction or Subduction?: Y V Chudinov,
A V Nikolaev
0830h VB21E-32 POSTER Volcanic Emission Metals in the Ice
Record: *A Matsumoto, T K Hinkley
VB22A D WRD:Auditorium Tues 1335h
VJS4 Geochemical and Geophysical Signatures of Mantle Plumes
(joint with G,S,SEDI,V)
Presiding: L H Kellogg, Univ of California, D; E H Hauri,
Carnegie Inst of Washington
1335h VB22A-01 INVITED Advection of Plumes - Implications
on Pacific-Antarctic Relative Motion and
Mean Lithospheric Rotation: *B Steinberger,
R J O'Connell
1355h VB22A-02 Revised Plate Circuit Estimates of Hotspot
Drift: *C A Raymond, J M Stock, S C Cande
1410h VB22A-03 Spreading of Buoyant Mantle Plumes Beneath
Mid-Ocean Ridges: M A Feighner, *L H Kellogg
1425h VB22A-04 INVITED 3-D Modeling of Plume-Ridge
Interaction: Application to Iceland: *U R
Christensen, J Theissing, N M Ribe
1445h VB22A-05 Structure and Composition of Iceland Plume:
*M K Kaban, O G Flovenz, G Palmason
1500h Break
1530h VB22A-06 The Heterogeneous Iceland Plume: New
Insights From the Alkalic Basalts of the
Snaefell Volcanic Centre: V L Hards, *P D
Kempton
1545h VB22A-07 Os Isotope Systematics in Ocean Island
Basalts: Lithospheric Contamination and
Mantle Plume Signatures: *E Widom, S B Shirey,
K A Hoernle, H U Schmincke
1600h VB22A-08 Lateral Extent of Large Volume Magmatism
During North Atlantic Break-Up in the
Vicinity of the Icelandic Plume: Results
From a New Deep Seismic Survey, SE Greenland:
T Dahl-Jensen, *J R Hopper, H C Larsen
1615h VB22A-09 Consequence of Possible Plume Trace/Outburst
Along the Western Edge of the Indian
Subcontinent: *U Raval
1630h VB22A-10 Density of the Peridotite Melts at High
Pressure and Its Implications for the Plume
Process in the Deep Mantle: E Ohtani, A
Suzuki, T Kato
1645h VB22A-11 Geoid anomalies of the Nasca Plate -
Implications for Rising Mantle Material: *G
Marquart
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