VOLCANOLOGY, GEOCHEMISTRY, PETROLOGY
SESSIONS AND PRESENTATIONS
V21A BCC:303 Tues 0830h
Geochronology
Presiding: T C Onstott, Princeton University; M T Murrell, LANL
0830h V21A-01 Rate Constraints on Magmatic Processes
Affecting the Tephra Sequence Overlying the
Grouse Canyon Tuff; Southwestern Nevada, USA:
*K T Huysken, T A Vogel, P W Layer
0845h V21A-02 ~L40~KAr/~L39~KAr Laser Microprobe Dating of
Illite: *C Mueller, T C Onstott, P Vrolijk,
D Pevear
0900h V21A-03 ~L40~KAr/~L39~KAr Laser Microprobe Dating of
Polyhalite From Bedded, Late Permian
Evaporites: *T C Onstott, C Mueller, K
Mikulki, E Vicenzi, D W Powers
0915h V21A-04 Field Test of a Retentivity-Composition
Model for Argon in Hornblende: Implications
for Thermochronology: *P S Dahl, B S Kamber,
I M Villa
0930h V21A-05 Chronology of Late Orogenic Extension in the
Zanskar Himalaya: *D Vance, N B Harris, M W
Ayres
0945h Break
1005h V21A-06 Terranes for Empirical Calibration of
Closure Temperatures: *E J Krogstad
1020h V21A-07 A New U-Pb Crystallization Age and Isotope
Geochemistry of the Dufek Layered Mafic
Intrusion: Implications for Formation of the
Ferrar Volcanic Province: *D R Minor, S B
Mukasa
1035h V21A-08 Post-Spreading Crustal Melting in the South
China Sea Area: Zircon and Monazite U-Pb
Systematics and Geochemistry of the Capoas
Granite, Palawan, Philippines: *J P
Encarnacion, S B Mukasa
1050h V21A-09 Provenance and Diagenesis Controls on Pb
Isotopic Compositions on Detrital Feldspar
From the Early Proterozoic Chelmsford
Formation, Sudbury, Canada: *S R Hemming, D K
McDaniel, S M McLennan
1105h V21A-10 ~L238~KU-~L230~KTh Geochronology of Basaltic
Volcanism at Lathrop Wells and Sleeping
Butte, NV: *M T Murrell, F Perry, T Benjamin,
K Sims, B Crowe
V22A BCC:Hall C Tues 1330h
Isotopes and Geochemistry Posters (joint with GS,M)
Presiding: O M Lovera, Univ of California, LA
1330h V22A-01 POSTER Implications of ~L20~KNe Kinetics
for Feldspar Thermochronology: *M Grove, T M
Harrison, O M Lovera, M T Heizler
1330h V22A-02 POSTER Systematic Analysis of K-Feldspar
Age and Kinetic Properties: *O M Lovera, M
Grove, T M Harrison, M T Heizler
1330h V22A-03 POSTER Understanding Noble Gas Components
in Continental Lavas: *J Poths, W M Phillips,
J Banar
1330h V22A-04 POSTER High-Precision ~L40~KAr/~L39~KAr
Dating of K-Feldspar, Biotite, and Sericite
From Successive Magmatic-Hydrothermal Events
in a Tertiary Porphyry Copper System: *C E
Ravenhurst, P H Reynolds, M Zentilli
1330h V22A-05 POSTER Rare Earth Elements in Apatite by
Laser Ablation ICP-MS: Implications for Fe
(P-REE-Cu) Mineralization in Kiruna-Type
Systems: D A Johnson, *T E McCandless, J Ruiz,
M D Barton
1330h V22A-06 POSTER Laser Ablation ICPMS for
Determination of Trace Elements in
Individual Fluid Inclusions: A New
Quantitative Approach: *A M Ghazi, T
McCandless, J Ruiz, D A Vanko
1330h V22A-07 POSTER A Least Squares Approach to Mass
Transport Calculations Using the ISOCON
Method and Its Applications: *S N Olsen, L P
Baumgartner
1330h V22A-08 POSTER INFOREX 3.0: Database Management
Software for Silicate Systems: *A A Ariskin,
S S Meshalkin, G S Barmina, G S Nikolaev
V22B BCC:Hall C Tues 1330h
Igneous Petrology and Geochemistry Posters (joint with GS,M,T)
Presiding: M D Feigenson, Rutgers Univ
1330h V22B-01 POSTER The Three-Dimensional Hawaiian Magma
Buoyancy Structure: Picrite and Tholeiite
Migration and Storage Modes: *M P Ryan
1330h V22B-02 POSTER Factors Governing Diverse
Compositions of Podiform Chromite in West
Junggar, Xinjiang, NW China: *G Peng, J F
Lewis, B R Lipin, J J McGee, P Bao, X Wang
1330h V22B-03 POSTER Computer Simulation of Evolution of
Polycrystalline Fabrics in Igneous Rocks:
Geometric Considerations: *T G Krohn, M C
Bonder, M C Leopold, R V Amenta
1330h V22B-04 POSTER Partial Magma Pressures and
Viscosities of Differentiated Dikes and
Gravity Analysis: Indicator of Magma
Chamber's Shape in Deccan Volcanics, Western
India: *R Sharma, S Bhattacharji
1330h V22B-05 POSTER Forward Modeling of Incompatible
Element Enrichment in the Basal Zone of the
Partridge River Intrusion: E V
Koptev-Dvornikov, *C I Chalokwu, A A Ariskin,
N K Grant
1330h V22B-06 POSTER Petrology, Emplacement, and Tectonic
Setting of the Nelson Pluton, Eldorado
Mountains, Nevada: *Y F S Lee, C F Miller, J
Unkefer, M T Heizler, J L Wooden, J Miller
1330h V22B-07 POSTER Petrologic and Tectonic History of
Dikes in the Eldorado Mountains, Southwest
Nevada: *J Unkefer, C F Miller, S Lee, M T
Heizler, J L Wooden, J S Miller
1330h V22B-08 POSTER Light Element Variations in Lavas
From the Woodlark Basin, Solomon Sea: The
Geochemical Ramifications of Ridge Subduction:
*J G Ryan, E Tenthorey, A Welty, M R Perfit,
C H Langmuir
1330h V22B-09 POSTER Rare Earth Element Inverse Modeling
of Mauna Kea Basalts From the Hawaii
Scientific Drilling Project: Stratigraphic
Variations in Fractional Crystallization and
Source Partial Melting: *M D Feigenson, L C
Patino
1330h V22B-10 POSTER On the Origins of Adakites: Evidence
From B-Be-Li Systematics in Young Lavas From
Panama: *S E Norrell, J G Ryan, M J Defant
1330h V22B-11 POSTER Early Tertiary Volcanism in the
Northern West Philippine Basin: Geochemical
Evidence for Island Arc and Oceanic Island
Magma Sources: *R Hickey-Vargas
1330h V22B-12 POSTER Four New Quaternary Ash and Tuff
Ages, Lerma Valley, Salta Province, NW
Argentina: *B D Malamud, T E Jordan, R N
Alonso, E F Gallardo, R E Gonzales, S A
Kelley
1330h V22B-13 POSTER Characterizing Surface Properties of
Natural Glauconite: *W Lu, E H Smith
1330h V22B-14 TITLE ONLY The Sitios Novos High-K
Calc-Alkaline Granitic Complex, NE Brazil: A
Composite Intrusion Along a Shear Zone: M F L
De Brito, *A F Da Silva Filho, I P Guimaraes
1330h V22B-15 TITLE ONLY High Pressure Granitic
Intrusions From the Upper Proterozoic
Sergipano Fold Belt, NE Brazil: A F
da Silva Filho, I P Guimaraes
1330h V22B-16 TITLE ONLY Chemical Weathering Data and
Profile Development Indices for Lateritic
Regoliths Comprised by Allogenic Materials
Superposed Over Saprolites: *C W Finkl
V22C BCC:303 Tues 1330h
Metamorphism:Processes and Material Products
Presiding: F S Spear, RPI; J G Liou, Stanford University
1330h V22C-01 Experimental Simulation of Retrograde
Decompression: Preservation of Fluid
Inclusion Densities in High-Grade
Metamorphic Terranes: *M O Vityk, R J Bodnar
1345h V22C-02 Metamorphism as Chaotic Mixing: *P O Koons
1400h V22C-03 Extremely High Chlorine Contents in Biotites
and Amphiboles From Black Rock Forest,
Hudson Highlands, New York: J D Webster, *A
Leger, C R Rebbert
1415h V22C-04 Reaction Textures in Contact Metamorphosed
Xenoliths; Implications for the
Tectonothermal Evolution of the Seiland
Igneous Province, Norwegian Caledonides: *S
Elvevold
1430h V22C-05 Thermal Models of Multiple Magmatic
Intrusions: Implications for Low P/High T
Metamorphism: *Y L Zheng, A R Allen, C Ruppel
1445h V22C-06 How Fast Can Regional Metamorphic Rocks Cool?:
*F S Spear
1500h Break
1520h V22C-07 A Quantitatively Calibrated Petrogenetic
Model for COR (Cordierite-Orthoamphibole
Rocks).Preliminary Results: *J Reche Estrada
1535h V22C-08 Stable Isotope Record of Fluid Infiltration
in the Sevier Foreland, Idaho Evidence for
Deep Involvement of Seawater During
Deformation: *G E Bebout, J E Holl, D J
Anastasio
1550h V22C-09 The Distribution of Carbonaceous Matter in
Metamorphic Rocks and Its Effect on
Electrical Conductivity Measurements: *A
Leger, E A Mathez, F Pineau, A Duba, S
Ginsberg
1605h V22C-10 Geotectonic Evolution of Diamond-Bearing
Paragneisses in the Kokchetav Complex of
Northern Kazakhstan: N L Dobretsov, N V
Sobolev, V S Shatsky, R G Coleman, *W G Ernst
1620h V22C-11 Bulk-Rock Oxygen Isotopic Study of an
Oceanic Arc, Sawyers Bar Area, Central
Klamath Mountains, California: *W G Ernst, Y
Kolodny
1635h V22C-12 Metamorphic Evolution of Diamond-Bearing
Rocks and Eclogite From the Kokchetav
Massif, Kazakhstan: *R Y Zhang, J G Liou, W G
Ernst, R G Coleman
1650h V22C-13 Occurrences of Hydrous and Carbonate Phases
in Ultrahigh-P Rocks From East-Central China
- Implications for the Role of Volatiles
Deep in Cold Subduction Zones: *J G Liou, R Y
Zhang, W G Ernst
V22D BCC:310 Tues 1700h
Daly Lecture (joint with GS,M,T)
Presiding: G Hanson, SUNY, Stony Brook
1700h INTRODUCTION: G Hanson,SUNY, Stony Brook
1705h V22D-01 INVITED Mantle Plums and Mantle Plumes: A
Chemical Geodynamics View: *S R Hart
V31A BCC:303 Wed 0830h
Quantitative Textural Studies in Petrology (joint with GS)
Presiding: M Higgins, Univ du Quebec a Chicoutimi; T D Peterson,
Geological Survey of Canada
0830h V31A-01 INVITED Relationship Between Vesiculation
and Magmatic Fragmentation - A Textural View:
*K V Cashman, C Klug
0845h V31A-02 Curved Crystal Size Distributions (CSD) in
Recent Dacite Lavas From Kameni Volcano,
Thera, Greece: *M D Higgins
0900h V31A-03 Spatial Analysis of Crystal Distribution in
Thin Section: The R' Technique: *D A Jerram,
M J Cheadle, R H Hunter
0915h V31A-04 Crystal Size Distribution (CSD) and Growth
and Nucleation Rates in a Thin,
Flow-Differentiated Reunion Island Sill: *K A
McCormick, B D Marsh
0930h V31A-05 Pivot Points in Crystal Size Distributions
and Solidification Fronts and Texture
Development in Igneous Rocks: *B D Marsh, K A
McCormick, R Resmini
0945h Break
1005h V31A-06 A Reevaluation of Crystal Size Distributions
in Chromite Cumulates: *C Waters, A E
Boudreau
1020h V31A-07 INVITED Quantitative Analysis of Textures
in Metamorphic Rocks Using High-Resolution
Computed X-Ray Tomography: *C Denison, W D
Carlson
1035h V31A-08 Rates of Ostwald Ripening for Forsterite,
Calcic Clinopyroxene, and Plagioclase in
Basaltic Melt: Implications for Crystal Size
Distribution Models in Basalt: *Y Park, B
Hanson
1050h V31A-09 Orbicular-Like Crystallization From
Superheated Magma in an in-Situ
Vitrification Test Site at Oak Ridge: *D G
Durant, J R Philipp, B D Marsh
1105h V31A-10 Analysis of the Intrusion Induced Textural
Features of a Quartzite Contact Zone,
Emplaced Within Friable Sandstone: *N S
Summer
1120h V31A-11 A Precise Method for Measuring Log-Normal
Crystal Size Distributions, With Applications:
*T D Peterson
V32A BCC:308 Wed 1330h
Origin and Evolution of the Earth's Crust: A Symposium to Honor
Patrick M. Hurley (joint with GS,M,T )
Presiding: S A Bowring, MIT; F Frey, MIT
1330h INTRODUCTION: S Hart,WHOI
1335h V32A-01 Geochemical Structure and Evolution of the
Mantle: *C J Allegre
1355h V32A-02 INVITED Gondwana GIS and Supercontinental
Queries: *M J de Wit
1415h V32A-03 Re-Os Isotopic Constraints on the Origin and
Evolution of the Australian Continental
Lithosphere: *J McBride, D Lambert, A Greig,
I Nicholls
1430h V32A-04 INVITED Crustal Growth and Preservation: *S A
Bowring
1450h V32A-05 INVITED Nd Isotopes in New Crust: *A W
Hofmann
1510h Break
1530h V32A-06 INVITED Archean Crustal Evolution, Superior
Province, Canada: *T E Krogh, D W Davis, F
Corfu
1550h V32A-07 Concurrent Use of Isotopic and Incompatible
Trace-Element Ratios for Understanding
Mantle Evolution and Basalt Petrogenesis:
*K W W Sims, D J DePaolo
1605h V32A-08 INVITED Cenozoic Volcanism Along the West
Antarctic Rift System: J S Blusztajn, *S R
Hart
1625h V32A-09 INVITED Controls on the Isotopic Evolution
of Seawater Strontium: *J M Edmond, Y Huh
1330h V32A-10 TITLE ONLY Pb Isotopes in Continental Basic
Magmas Associated With the Rio Grande Rift,
Northwest Colorado: *C E Heikoop, A P Dickin,
P T Leat, R N Thompson, S A Gibson
V41A BCC:303 Thurs 0830h
Trace Elements and Petrogenesis (joint with GS,M)
Presiding: K A Foland, Ohio State University; D Rumble III,
Geophysical Laboratory
0830h V41A-01 Magma Batches and the Origin of the Chemical
Variations in the Rainier Mesa Ash-Flow Sheet:
*B W Saltoun, T A Vogel, F W Cambray
0845h V41A-02 Chemical Variation and Petrogeneses of
Felsic Rocks Between the East and West Nain
Area, Labrador: *S Xue, S A Morse
0900h V41A-03 Controls on Magma Genesis and Evolution in
Grenada, Lesser Antilles: *D R Gravatt, W M
White, J D Devine
0915h V41A-04 Exchange of LREE Including Nd of Archean
Metabasalts With Fluids(?) That Have Older
Continental Crust Isotopic Signature: *J K
Zachariah, G N Hanson, V Rajamani
0930h V41A-05 Mesozoic Intrusions of New England and
Southern Quebec: Nd, Sr, and Pb Isotopic
Compositions of Sources, ~L40~KAr/~L39~KAr
Ages, and the Case for a Plume Origin: *K A
Foland, D E Schucker, F A Hubacher, D Wen,
J D Landoll, J F Chen
0945h V41A-06 Trace Element Partitioning Between
Crystalline Phases: Cpx/Gt Partition
Coefficients for the REE: *P D Beattie
1000h Break
1020h V41A-07 Re-Os Isotopic and Trace Element Study of
Alkaline Mineralized Ultramafic Rocks (Ivrea
Verbano Zone, Italy): *T Meisel, G G Biino
1035h V41A-08 Partitioning of REEs, Ti, Sr, Y, Cr and Zr
Between Tonalitic-Trondhjemitic-Granitic
Melts and Eclogite Residue at 1-11 GPa: Ion
Microprobe Analyses at Natural Abundance
Levels: R P Rapp, N Shimizu
1050h V41A-09 Modeling Carbon Reservoirs and Protoliths
for Eclogitic Diamond: Support for an
Ancient Microbial Carbon Source: *T E
McCandless
1105h V41A-10 REE Systematics of the Freetown Layered
Complex of Sierra Leone: Implications for
the Heteradcumulus Growth of Augite: *C I
Chalokwu, A M Ghazi
1120h V41A-11 Lithium Isotopic Measurements by Total
Sample Evaporation and Integration: *P
Clausen, E Gohn, J Hoefs
1135h V41A-12 Ultraviolet Laser Oxygen Isotope Microprobe:
*D Rumble, C P Christensen
1150h V41A-13 Studies of Geomorphic Processes Using
Cosmogenic Nuclides: The ~L36~KCl-~L36~KCl
Method For Determining Exposure Time and
Erosion Rates of Surfaces: *S Vogt, D Elmore,
L Dep, P Sharma
V42A BCC:303 Thurs 1330h
Experimental Petrology (joint with GS,M)
Presiding: C Herzberg, Rutgers University; C Ballhaus,
Max-Planck-Inst fur Chemie
1330h V42A-01 Melting Experiments on Peridotite to 22.5
GPa: Phase Chemistry: *C Herzberg, J Zhang
1345h V42A-02 Low Degree Partial Melting of Mantle
Compositions at 15-30 kbars: *J A C Robinson,
B J Wood
1400h V42A-03 Melting Reactions of Fertile Garnet
Peridotite: *M J Walter
1415h V42A-04 Quantitative Estimates of the Chemical
Composition and Liquidus Temperatures of
Komatiite Magmas From the Barberton
Mountainland, South Africa: *S W Parman, T L
Grove, J Dann, M de Wit
1430h V42A-05 Experimental Constraints on the Evolution of
Undersaturated Lavas From the Rungwe
Volcanic Province, Western Rift, Tanzania,
Africa: *K S Bartels, T H Furman
1445h V42A-06 Formation of High-Al Basalt by Polybaric
Fractionation of a High-Magnesian Parent:
Klyuchevskoi Volcano (Kamchatka, Russia): *G S
Barmina, A A Ariskin, R L Nielsen, A Y Ozerov
1500h Break
1520h V42A-07 Phlogopite and Biotite Fluorimeters and
Concentrations of HF in Magmatic and
Metamorphic Fluids: (Some Examples): *A M
Aksyuk
1535h V42A-08 F-C1-OH Evolution in Apatite of the Middle
Banded Series of the Stillwater Complex,
Montana: *W P Meurer, A E Boudreau
1550h V42A-09 PT and PD Solubility in Pyrrhotite Under
Controlled Sulfur and Oxygen Fugacities: *C
Ballhaus, P Ulmer, C Ryan
1605h V42A-10 Calculating Chromite-Melt Equilibria in
Mafic Igneous Systems: *G S Nikolaev, A A
Ariskin
1620h V42A-11 K-Amphibole and Mica Stability in K-Rich
Environments at High P and T: *G E Harlow
1635h V42A-12 Experimental Constraint on Stability of
Hydrous Phases in Subducting Oceanic Crust: *J
Liu, W G Ernst, J G Liou, S R Bohlen
V51A BCC:303 Fri 0830h
Kinetics and Dynamics of Magmas and Melts: Microscopic to
Macroscopic (joint with GS,M,T)
Presiding: M P Ryan, U S Geological Survey; D A Wark,
Rensselaer Polytechnic Inst
0830h V51A-01 : *D A Wark, E B Watson, P Jennes
0845h V51A-02 Tracer Diffusion of Mg, Ca, Ba, Nd, Yb, Ti,
Zr, and U in Basaltic Melt: *T LaTourrette,
A J Fahey, G J W Wasserburg
0900h V51A-03 Silicon Self-Diffusion in Quartz and
Diopside Measured by Nuclear Micro-Analysis
Methods: *F Bejina, O Jaoul
0915h V51A-04 Silicon Self-Diffusion in Feldspar: *D J
Cherniak
0930h V51A-05 Oxygen Diffusion in Zircon: E B Watson, *D J
Cherniak
0945h V51A-06 Fe-Mg Interdiffusion in Olivine: New
Experimental Results: *S Chakraborty, E
Meissner
1000h Break
1020h V51A-07 Tonalitic Melt Connectivity at Low-Melt
Fraction in a Mafic Crustal Protolith at
10kb and 800~Lo~KC: *A Lupulescu, E B Watson
1035h V51A-08 Predicted and Measured Thermal Infrared
Signatures of Kilauea Lava Tubes: D L Perry,
K W Gunderson, D G Herd, J P Kauahikaua, J J
Lange, T B McCord, J P Ross
1050h V51A-09 Lava Flow Dynamics and Solidification Fronts:
*L K Hultgrien, B D Marsh
1105h V51A-10 Gas-Powered Volcanic Eruptions, III,
Energetics: *Y Zhang
1120h V51A-11 A New Model for Interacting Bubble Growth
Dynamics: *D L Sahagian, A A Proussevitch
1135h V51A-12 INVITED Basaltic Foams: Development,
Structure, Stability, and Significance: *M P
Ryan
1150h V51A-13 Stability of Thermoviscous Hele-Shaw Flow,
Including Solidification: *S Morris
Return to 1995 Spring Meeting Summary
