Return to 1996 Spring Meeting
Summary
SESSION V11A
CC:303
, Mon
Isotope Geochemistry and Geochronology (joint with GS)
PRESIDING: K Hattori, WHOI; E T Rasbury, SUNY Stony Brook
0830h
V11A-01
Fluid Introduction of 187Os Into a Solidified Magma Chamber: Evidence From the Freetown Layered Complex, Sierra Leone
*K Hattori, C I Chalokwu, S R Hart
0845h
V11A-02
Garnet Pyroxenites From the Mir Kimberlite Pipe: Mineral Compositions and Sm-Nd Systematics of Dikes Crosscutting Coarse Garnet Lherzolite in the Siberian Lithosphere
*M F Roden, E E Laz'ko, E Jagoutz
0900h
V11A-03
Low 18O 'Magmatic' Hornblende From Hess Deep Gabbro Pegmatites: In-situ and Single-Crystal O-Isotope Analyses
*P E Weston, C E Manning, Z Sharp
0915h
V11A-04
New Age and Isotopic Data for the Egersund Dolerites, SW Norway: Evidence for Iapetus Plume-Initiated Rifting During the Late Precambrian
*C A Miller, M Barton, B Sundvoll, K J Edwards, C E Gilliam, J W Valley
0930h
V11A-05
U-Pb Geochronology and Nd Isotopic Characterization of the Cadomia Terrane, Channel Islands: In Search of Basement
*S D Samson, R D'Lemos
1010h
V11A-06
Age, Petrogenesis, and Tectonic Role of the Polly Wright Cove Pluton, Blue Ridge Province, Virginia
R P Tollo, *W J Abbey, J N Aleinikoff
1025h
V11A-07
Stable Isotope Constraints on Mass Transfer Leading to Cleavage Development in Carbonate Rocks, Lost River Range, Idaho
*S G Davidson, G E Bebout, D J Anastasio
1040h
V11A-08
Origin of the Nsuta Manganese Carbonate Proto-Ore, Ghana: Carbon- and Oxygen-Isotope Evidence
H W Yeh, J R Hein, B R Bolton
1055h
V11A-09
238U/207Pb-206Pb/207Pb Age of Pedogenic Calcite From the Pennsylvanian Holder Fm, Sacramento Mountains, New Mexico
*E T Rasbury, G N Hanson, W J Meyers, R H Goldstein
1110h
V11A-10
Provenance of the Amazon Subaqueous Delta and Deep-Sea F
Nd and Pb Isotope Constraints
*D K McDaniel, S M McLennan, G N Hanson
1125h
V11A-11
Single-Crystal Sm-Nd Dating of Sectorally Zoned Llallagua Apatite Yields an Age of 43.8 +/- 4.7 Ma
*J Rakovan, D K McDaniel, R J Reeder
1140h
V11A-12
Oxygen Isotopy of Contact-Metamorphosed Archean Banded Iron Formation
*N Blum
1141h
V11A-13
40Ar/39Ar and Paleomagnetic Results From Independence Volcano: No Evidence for Late Cretaceous Volcanism in Rocks of the Absaroka Volcanic Supergroup
S S Harlan, L W Snee
SESSION V12A
CC:Hall
, Mon
Petrologic Process and Product - Posters (joint with GS)
PRESIDING: D Cherniak, Rensselaer Polytechnic Institute
1330h
V12A-01 POSTER
REE Diffusion in Calcite
*D J Cherniak
1330h
V12A-02 POSTER
Numerical Modeling and Animation of Magma Degassing and Conduit Flow in Silicic Volcanic Systems
*A A Proussevitch, D L Sahagian
1330h
V12A-03 POSTER
An Experimental Study to Investigate the Effects of Seismic Waves on Crystallization of Basalt in Shallow Magma Chambers
*A M Cohen, K S Bartels
1330h
V12A-04 POSTER
Mineralogy and Petrology of the Volcanic Rocks of the Miocene-Pliocene Aguacate Formation of Costa Rica
*T J Weiland, I B Suayah
1330h
V12A-05 POSTER
Can Monzogranite to Tonalite Melts Form From a Single Intrusion of Basaltic Magma in the Continental Crust?
*T C McCarthy, A E Patino Douce
1330h
V12A-06 POSTER
A Search for Recycled Sediments in Volcanic Arcs: 36Cl, 129I and delta 11B/10B in Crater Lakes
*J C Varekamp, U Fehn, R T Teng, P Sharma, M Pennisi, S Tonarini
1330h
V12A-07 POSTER
Magmatic Degassing of CO2 Recorded in Tree Rings at Mammoth Mountain, California
*J E Fessenden, T A Rahn
1330h
V12A-08 POSTER
U-Pb Dating of Triassic Paleosol Calcite in the New Haven Arkose, Hartford Basin, Connecticut
*Z S Wang, E T Rasbury, G N Hanson, W J Meyers
1330h
V12A-09 POSTER
K-Bentonite Formation by Alteration of Rhyolitic Glass
*D E McVey, W D Huff
1330h
V12A-10 POSTER
Chicxulub Impact Basin Controls on Tertiary Sedimentation: Northwest Yucatan, Mexico
*J McClain, E C Perry
SESSION V21A
CC:303
, Tues
Experimental Petrology: Kinetics and Thermodynamics (joint with GS,M,MR)
PRESIDING: E B Watson, Rensselaer Polytechnic University; T L Grove, MIT
0830h
V21A-01
Oxygen Diffusion in Rutile and Corundum
*D K Moore, D J Cherniak, E B Watson
0845h
V21A-02
Oxygen Diffusion in Zircon Under Hydrothermal Conditions
*E B Watson, D J Cherniak
0900h
V21A-03
Oxygen Diffusion in Garnet at High Pressure: Experimental Technique and Initial Results
*J M Brenan, K D McKeegan, F J Ryerson
0915h
V21A-04
Natural Cationic Diffusion Profiles Across a Liquid-Liquid Boundary Between Chemically Dissimilar Coexisting Magmas: A Trondhjemite-Diabase Interface
*A I Benimoff, C B Sclar
0930h
V21A-05
Disequilibrium Melting in the Mantle: Constraints From U and Th Diffusion Measurements in Diopside
*J A Van Orman, N Shimizu, T L Grove
1015h
V21A-06
Experimental Determination of Low Degree Melts of MORB Mantle at 28 kbar
J Longhi, M S O'Connell
1030h
V21A-07
Mineral-Melt Partitioning of B, Be and Li: Implications for Mantle Melting
*E Neroda, J M Brenan, C C Lundstrom, H F Shaw, F J Ryerson, D L Phinney
1045h
V21A-08
Pyroxene Compositions in 3.49 Ga Barberton Komatiite: Evidence of Variable H2O Contents
*S W Parman, T L Grove, J Dann, M deWit
1100h
V21A-09
Origin of Olivine Spinifex Textures in 3.49 Ga Komatiite Magmas From the Barberton Mountainland, South Africa
*T L Grove, G Gaetani, S Parman, J Dann, M deWit
1115h
V21A-10
Calorimetry, Phase Equilibria and Equation of State Measurement of Hydrous Magnesium Silicates and Implications for Volatile Transport to the Mantle
*K Bose, A Navrotsky, P J Schields, D J Weidner
SESSION V22A
CC:Hall
, Tues
Mafic and Ultramafic Rocks - Posters (joint with GS)
PRESIDING: M D Feigenson, Rutgers University
1330h
V22A-01 POSTER
Fluid-Peridotite Interactions in Mantle Wedge Xenoliths
*B McInnes
1330h
V22A-02 POSTER
Mineral Inclusions in Chromites From the Liaoning Kimberlites, China
*D Zhao, E J Essene
1330h
V22A-03 POSTER
Constraints on Partial Melting Imposed by Rare Earth Element Variations in Mauna Kea Basalts
*M D Feigenson, L C Patino, M J Carr
1330h
V22A-04 POSTER
The Parental Magmas of the Freetown Layered Complex Inferred From the Compositions of Augite Oikocrysts and a Geochemical Summation
*C I Chalokwu, L R Riciputi
1330h
V22A-05 POSTER
Rare Earth and High Field Strength Element Characteristics of Whole Rock and Mineral Separates of Mantle Xenoliths From Southeastern British Columbia
*M Sun, R Kerrich
1330h
V22A-06 POSTER
HIMU and EM1: Complementary Reservoirs From the "Slab" and "Wedge"
A P Dickin
1330h
V22A-07 POSTER
Element Partitioning Between Garnet and the Coexisting Liquid Under High Pressures and Hydrous Conditions
*T Inoue, R P Rapp, J Zhang, T Gasparik, D J Weidner, T Irifune
1330h
V22A-08 POSTER
Ion Microprobe Study of Plagioclase-Basalt Partition Experiments at Natural Concentration Levels of Trace Elements and the Dependence of Partition Coefficients on Plagioclase Composition
*I N Bindeman, A M Davis, M J Drake
1330h
V22A-09 POSTER
REE and Pb-isotopic Composition of the Early Proterozoic Manganiferous Chemical Sediments of West Africa
*C M Achong, L V Godfrey, K A Attoh, W M White
SESSION V22B
CC:310
, Tues
Daly Lecture - Glacial Cooling: Is Water the Villain? (joint with GS,O)
PRESIDING: G Hanson, SUNY Stony Brook
1720h
V22B-01 INVITED
Glacial Cooling: Is Water Vapor the Villain?
*W S Broecker
SESSION V31A
CC:306
, Wed
Petrological Thermodynamics (joint with GS,M,MR)
PRESIDING: M Barton, Ohio State University; V C Kress, Geophysical Laboratory
0830h
V31A-01
Fertility to Anatexis Changes With Crustal Depth and aH2O
*A B Thompson
0845h
V31A-02
New Thermobarometric and Modal Data for the Waldoboro Pluton Complex, Maine: Constraints on In-Situ Granitoid Genesis
T Osborn, *M Barton, M Comerford, J W Cribb
0900h
V31A-03
Thermobarometry of High-Temperature Granites and Granulites of the Western Slave Province, District of MacKenzie, NWT, Canada
*J Farquhar, T Chacko
0915h
V31A-04
Chromite - Melt Equilibria Model, With Petrological Applications
*A Poustovetov, P L Roeder
0930h
V31A-05
Experiments in Coexisting Silicate and Sulfide Liquids in the System O-S-Fe-Ni-Si: Sulfur Source for Pinatubo?
*V C Kress
0945h
V31A-06
Liquid Differentiation of Fluid Silicate Melts as a Possible Mechanism of Mantle Evolution
*N I Bezman
1020h
V31A-07
Geophysical Data Based on Thermodynamics of Mantle Phases
*S K Saxena, O Fabrichnaya
1035h
V31A-08
No Temperature Dependence to the Thermal Expansion of Sodium Aluminosilicate Melts Between 450-1550oC Over a Wide Range of Composition
*R A Lange
1050h
V31A-09
Low Temperature Heat Capacity of Silicate Glasses
*D de Ligny, P Richet, E F Westrum
1105h
V31A-10
Scapolite-Plagioclase Equilibrium: Implications for the Plagioclase Peristerite Gap
*C R Rebbert, J M Rice
1120h
V31A-11
Alteration Reactions in the Perthite-Muscovite-Andalusite-Quartz-Brine System From 400-550o C and 250-600 Bars
*M R Frank, P A Candela, P M Piccoli
1135h
V31A-12
Ice Taipei, and Could It Be the Liquidus Ice II?
*I M Chou
1150h
V31A-13
Zonal Wall-Rock Alteration Around a Modern Kuroko-Type Massive Sulfide Deposit, Okinawa Trough, Japan
*M van Gerven, P Halbach, N Blum
SESSION V32A
CC:Hall
, Wed
Metamorphism - Posters (joint with T)
PRESIDING: J G Liou, Stanford University
1330h
V32A-01 POSTER
A Critique of Nodal Isograd Patterns in the Upper Peninsula of Michigan
*M C Emilio, E L Johnson, D Matty
1330h
V32A-02 POSTER
Three-Dimensional Chemical Architecture of Neoblastic Jadeite Crystals From Franciscan Metagraywackes, Pacheco Pass, CA
M Radvanec, S Banno, *W G Ernst
1330h
V32A-03 POSTER
Convective Fluid Flow Through Heterogeneous Country Rocks During Contact Metamorphism
*M L Gerdes, L P Baumgartner, M Person
1330h
V32A-04 POSTER
Micro-PIXE Analysis of Contact Metamorphic Minerals in the Ubehebe Peak Contact Aureole, Inyo Co., California: Evidence for Fluid Infiltration
*G T Roselle, L P Baumgartner, D D Hickmott
1330h
V32A-05 POSTER
Architecture of the Chinese Dabie Orogenic Belt With Ultrahigh-P Rocks
Q Wang, B Cong
1330h
V32A-06 POSTER
Transformation of Gabbro to Coesite-Bearing Eclogites From Yangkou, the Sulu Terrane, Eastern China: Implication For Low Fluid Activity During Subduction and Exhumation
R Y Zhang, J G Liou
1330h
V32A-07 POSTER
Occurrence of Intergranular Coesites in Ultrahigh-P Eclogites From the Sulu Region, Eastern China: Implications for Low Fluid Activity During Exhumation
J G Liou, R Y Zhang
1330h
V32A-08 POSTER
Comparative Garnet-Biotite and Muscovite-Biotite Geothermometry in the Contact Aureole of the Bob Ingersoll Pegmatite #1, Keystone, South Dakota
*P C McMasters, P S Dahl
1330h
V32A-09 POSTER
Sequential Tensile Fractures of Garnet Crystals as an Indicator for Successive Uplifting of Metamorphic Terranes
*S Ji, P Zhao
SESSION V32B
CC:305
, Wed
Mafic Volcanism: MORB,OIB and Continental Hot Spots (joint with T)
PRESIDING: J C Lassiter, Carnegie Inst of Washington; A R Basu, University of Rochester
1330h
V32B-01
Osmium Isotope Constraints on the Origin of Highly Siderophile Elements in the Earth's Primitive Upper Mantle
*R J Walker, T Meisel, J W Morgan
1345h
V32B-02
Major Element Heterogeneity in the Mantle: MgO-FeO Variations in Continental Flood Basalts, Ocean Island Tholeiites and MORB
*A R Basu, R E Hannigan
1400h
V32B-03
Os-Isotope Constraints on Hawaiian Plume Composition and Melt/Lithosphere Interaction: Results From Mauna Kea and Koolau Volcanoes
*J C Lassiter, E H Hauri
1415h
V32B-04
Major Element Variability in the Hawaiian Plume
*E H Hauri
1430h
V32B-05
Melting Conditions in the Hawaiian Plume: Inferences From 230Th/238U, 226Ra/230Th and 231Pa/235U Disequilibria
*K W W Sims, M Murrell, S Goldstein, D J DePaolo, S Baldridge, D Pickett
1505h
V32B-06
Evolution of the Kerguelen Archipelago, Southeast Indian Ocean
*H J Yang, F A Frey, D Weis, A Giret
1520h
V32B-07
Geochemical Evidence for Lithospheric Contributions to Volcanism at Udokan and Vitim Fields, Baikal Rift, Siberia
*N R Harris, D S Coleman, S A Bowring, S Rasskazov
1535h
V32B-08
Major and Trace Element Variations in Multiple Eclogitic Inclusions in Individual Diamonds From Yakutia, Russia
*N V Sobolev, E S Yefimova, L A Taylor, G A Snyder, V N Sobolev
1550h
V32B-09
Evolution of Felsic Alkalic Lavas From the Rungwe Volcanic Province: Experimental and Geochemical Constraints on Shallow Magmatic Processes in the Western African Rift
K S Bartels, T Furman, M A Rohrmeier
1605h
V32B-10
Noble Gases in the Columbia River Basalt
*A Dodson, D J DePaolo, B M Kennedy
1620h
V32B-11
Trace Element Geochemistry of Equatorial Mid-Atlantic MORB Glass
F Teichmann, *A R Basu
1635h
V32B-12
Quantitative Statistical Modeling of High-Precision ICP-MS Trace Element Data of the Equatorial Mid-Atlantic MORB
*R E Hannigan, A R Basu, F Teichmann
1330h
V32B-13 TITLE ONLY
The Crustal Diachronous Thickening Related With GTS, Southern Tibet
*W Chen, Q Li, X Zhou, J Hao
1330h
V32B-14 TITLE ONLY
Geochemical Behaviour, Abundances and Distribution Patterns of Noble Metals (PGE, Au) in Abyssal Peridotites From an Indian Ocean Site
S Mohr, N Blum
SESSION V41A
CC:Hall
, Thurs
Novel Geochemical Methods - Posters (joint with GS,M)
PRESIDING: S J Sadofsky, Lehigh University
0830h
V41A-01 POSTER
The BNL Geoscience X Ray Imaging Project (GXRIP)
*K W Jones, A M Peskin, D P Siddons, B Andrews, B Dowd
0830h
V41A-02 POSTER
GeoMancer: A Windows-Based, Object-Oriented Application for the Handling of Petrological Data and Calculations
*M Comerford, M Barton
0830h
V41A-03 POSTER
Determination of Topology and Transport in Porous Media Using Synchrotron Computed Microtomography
P M Adler, J F Thovert, K W Jones, A M Peskin, D P Siddons, *B Andrews, B Dowd
0830h
V41A-04 POSTER
Developments in Synchrotron X-Ray Microtomography for Application to Flow in Porous Media
R D Hazlett, M E Coles, K W Jones, A M Peskin, D P Siddons, B Andrews, *B Dowd
0830h
V41A-05 POSTER
Diamond Coated Crushing Device for Studying Mineral Inclusions in Diamond
C L Chan
0830h
V41A-06 POSTER
Discrimination of Parana Flood Volcanics by Thermal Inertia
*I Vitorello, A P Pacheco, L S Galvao
0830h
V41A-07 POSTER
Case Studies of Nitrogen Isotope Behavior in Magmatic and High-Temperature Hydrothermal Systems
*S J Sadofsky, G E Bebout
SESSION V42A
CC:303
, Thurs
Arc Magmatism (joint with T)
PRESIDING: G PENG, Smithsonian Institution; J C Francis, University So. Calif
1345h
V42A-01
Decoupling of Isotopic and Trace Element Characteristics in the Wrangell Volcanic Field, Alaska
*S J Preece, T M Siebert, W K Hart
1400h
V42A-02
Terrane Correlation and Characterization in the Southern Appalachians: An Sm-Nd Isotopic Investigation
*D G Coler, S D Samson, S Stoddard
1415h
V42A-03
Sedimentary Isotopic Signatures of St. Lucia, Lesser Antilles: AFC or Source Contamination?
*D R Gravatt, W M White, J D Devine
1430h
V42A-04
Recognition of Two Distinct Cocos Plate Sedimentary Units in Central American Lavas
*L C Patino, M J Carr, M D Feigenson
1445h
V42A-05
Major and Trace Element Composition of Veins in High-Pressure Rocks and Element Partitioning During Devolatilization of Subducted Basaltic Crust
*H Becker
1530h
V42A-06
Oxygen Isotopic Zonation of a Cordilleran Batholith
*J C Francis, J L Anderson
1545h
V42A-07
Behavior of Sulfur and Silicon in Apatite From Volcanic Rocks
*G Peng, J Luhr, J McGee
1600h
V42A-08
Sulfur Isotopic Indication of Eruptive Degassing of Krakatau 1883 Magma
*C W Mandeville, A Sasaki
1615h
V42A-09
The Chlorine Stable Isotope Ratios of Volcanic Chlorine Accumulated in Lake Yugama, Kusatsu-Shirane Volcano, Japan
*A J Magenheim, T Ohba
1630h
V42A-10
REE and HFSE Concentrations in Early Proterozoic Greenstone Belts of West Africa: Implications for Oceanic Plateau vs. Arc Accretion in Juvenile Crust Production
*M J Evans, K A Attoh, W M White
1645h
V42A-11
In Search of the "Light Boron" Missing in Island-Arc Lavas
*L D Benton, J A Haggerty, F Tera
1700h
V42A-12
Massive Debris Avalanche From Raung Volcano, Eastern Java
L Siebert, S Bronto, I Supriatman, R Mulyana
SESSION V51A
CC:303
, Fri
Magma Dynamics: Principles and Problems
PRESIDING: K G Bemis, Rutgers University; W G Melson, Smithsonian Institution
0830h
V51A-01
Compositional Changes in the Eruptives of Arenal Volcano, Costa Rica, 1987-94
*W G Melson, T O'Hearn, M Perfit, M Smith, J Barquero
0845h
V51A-02
Dynamics of Magma Ascent and Conditions During Recent Andesitic Dome Forming Eruptions in Montserrat, W.I.
*M J Rutherford, J D Devine
0900h
V51A-03
The Shamsan Caldera Lavas, Aden, Yemen: An Inverted, Zoned Magma Chamber?
*J D Bletcher
0915h
V51A-04 INVITED
Analytical Solutions to the Batch Population Balance Equation: Modeling Crystal Size Distributions in Sills
*R G Resmini
0930h
V51A-05
Field Relationships, Chronology and Petrology of a Volcanic System in the Northern Tibetan Plateau
N W Dunbar, W C McIntosh, F M Phillips
1005h
V51A-06
Sill Sequences as Piecemeal Layered Intrusions and Links to Volcanism: Evidence From the Ferrar Dolerites of Antarctica
*B D Marsh
1020h
V51A-07
Geochemistry and Petrogenesis of Voluminous Felsic Volcanics With Oceanic Basalts in the Queen Charlotte Islands, British Columbia (Canada)
*T S Hamilton, J Dostal
1035h
V51A-08
Using the Compositions of Plutonic Igneous Rocks to Test Models of Melt Migration Within Magma Chambers
*L Srogi, T Lutz
1050h
V51A-09
Potential Explosive Magnitude of Sakurajima Volcano, Japan - Based on the Historical Eruption Record and Isotopic Study
C H Chen, Y J Wu, T F Yang, S Nakada, K Ishihara
1105h
V51A-10
Ballistic Growth Models Indicate Variable Eruption Energies Amongst the Cinder Cones of Ipala Graben, Guatemala
*K G Bemis
1120h
V51A-11
Palaeomagnetic Estimation of Emplacement Temperatures of Proximal Breccia Deposits on Santorini, Greece
*L P Bardot
1135h
V51A-12
GPS Measurements of Surface Deformation During Initial Dome Growth at Soufriere Hills, Montserrat, BWI
*G Mattioli, B Baker, T Dixon, F Farina, D Hooper, E Howell, P Jansma, A Smith, S Young
1150h
V51A-13
The Effect of Deglaciation on Melt Generation Beneath Iceland
*M Jull, D McKenzie
1205h
V51A-14
Inhalation Injury From Nuees Ardentes: Evidence at Mont Pelee, Mount St. Helens, Unzen, and Merapi
*I Shelley, B Voight
1206h
V51A-15
Medical Aspects of the 1930 Disaster, and Other Historic Nuee Ardente Eruptions, Merapi Volcano, Indonesia
B Voight, I Shelley