GEMOC abstracts - 2007
SOTA - STATE OF THE ARC 2007, TERMAS PUYEHUE, CHILE, JANUARY 28 - FEBRUARY 2
AGU JOINT ASSEMBLY, ACAPULCO, MEXICO, MAY 22-25, 2007
INTERNATIONAL ECLOGITE FIELD SYMPOSIUM, LOCHALASH, SCOTLAND, JUNE 29- JULY 6
GOLDSCHMIDT 2007, COLOGNE, GERMANY, AUGUST 19 - 24, 2007
THE 2007 GSA (THE GEOLOGICAL SOCIETY OF AMERICA) ANNUAL MEETING, DENVER, USA, OCTOBER 28-31, 2007
7TH AUSTRALIAN SPACE SCIENCE CONVENTION, SYDNEY, SEPTEMBER 24-27, 2007
XVIII SYMPOSIUM ON ISOTOPE GEOCHEMISTRY, MOSCOW, RUSSIA, NOVEMBER 12 –16, 2007
AMERICAN GEOPHYSICAL UNION (AGU) FALL MEETING, SAN FRANCISCO, DECEMBER 10-14, 2007
SOTA - STATE OF THE ARC 2007, TERMAS PUYEHUE, CHILE, JANUARY 28 - FEBRUARY 2
Where radioactive isotopes meet diffusion: time scales of igneous processes from plutonic or volcanic crystals
F. Costa1 and S. Turner2
1. Spanish Research Council (CSIC) Institut of Earth Sciences ‘Jaume Almera’, Pedralbes, Spain, 2. GEMOC, Macquarie view pdf
An important role for amphibole in arc magmas – a crustal sponge?
J. Davidson1, C. Macpherson1, H. Handley1 and S. Turner2
1. Department of Earth Sciences, University of Durham, Durham, UK, 2. GEMOC, Macquarie view pdf
7TH BIENNIAL EXPLORATION MANAGERS CONFERENCE “MAKING COLLABORATIVE R&D AN INTEGRAL PART OF THE EXPLORATION BUSINESS”, BAROSSA VALLEY, SOUTH AUSTRALIA, 26-29 MARCH 2007
Global lithospheric domains: A multidimensional framework to enhance mineral exploration targeting
S.Y. O’Reilly and W.L. Griffin Invited
GEMOC, Macquarie
GEOLOGICAL SOCIETY OF AMERICA CORDILLERAN SECTION 103 ANNUAL MEETING, BELLINGHAM, WASHINGTON, USA, 4-6 MAY, 2007
Inverted regional metamorphism in the coaxially refolded Tonga Formation: evidence for Cretaceous accretionary tectonics in the Cascades crystalline core
L. A. Jensen1, H. Lebit2, S. R. Paterson1, R. B. Miller3 and R. H. Vernon4
1. Department of Earth Sciences, University of Southern California, Los Angeles, USA, 2. Department of Earth and Environmental Sciences, University of New Orleans, New Orleans, LA, USA, 3. Department of Geology, San Jose State Univ, San Jose, USA, 4. GEMOC Macquarie view pdf
GEOLOGICAL SOCIETY OF AMERICA/GEOLOGICAL SOCIETY OF LONDON MEETING: "CONTINENTAL TECTONICS AND MOUNTAIN BUILDING- THE PEACH AND HORNE MEETING", ULLAPOOL, SCOTLAND, 16 MAY, 2007
Coaxial refolding and inverted regional metamorphism in the Tonga Formation: evidence for Cretaceous thrust tectonics in the Cascades crystalline core
L. Jensen1, H. Lebit2, S. R. Paterson1, R.B. Miller3 and R. Vernon4
1. Dept. of Earth Sciences, USC, Los Angeles, 2. Dept. of Earth and Environmental Sciences, UNO, New Orleans, 3. Geology Department, SJSU, San Jose, 4. GEMOC, Macquare view pdf
AMERICAN GEOPHYSICAL UNION JOINT ASSEMBLY, ACAPULCO, MEXICO, MAY 22-25, 2007
Fragmentation Processes, Depositional Mechanisms and Lithification of Glassy Fragmental Rocks, Macquarie Island
N.R. Daczko, N. Harb, J.A. Dickinson and R. Portner
GEMOC, Macquarie view pdf
Exhumation of the Sucking-Dayman Massif, Papua New Guinea
N.R. Daczko, N., P. Caffi and S.A. Carrol
GEMOC, Macquarie view pdf
Episodic Precambrian Subduction
C.J. O'Neill1, A. Lenardic2, L. Moresi3, T. Torsvik4 and C. Lee2
1. GEMOC, Macquarie, 2. Rice University, Department of Earth Science, Houston, USA, 3. Monash University, MC2, Department of Mathematics, Melbourne, Australia, 4. Centre for Geodynamics, NGU, Trondheim view pdf
New Constraints on the Petrogenesis and Time Scales of High Mg Andesite Evolution, White Island, New Zealand
B.F. Schaefer1, S.P. Turner2, B.J. Wood2 and Z. Heyworth1
1. Monash University, School of Geosciences, Vic, Australia, 2. GEMOC, Macquarie view pdf
High-Mg Andesites, Slab Melts, and Wedge Melts: Significance for Crustal Genesis?
S. Turner1 and I. Smith2
1. GEMOC, Macquarie, 2. University or Aukland, NZ
Origin of high-Mg andesites at White Island
S.P. Turner and B.J. Wood
GEMOC, Macquarie University view pdf
INTERNATIONAL ECLOGITE FIELD SYMPOSIUM, LOCHALASH, SCOTLAND, JUNE 29- JULY 6
Eclogites in the SCLM: Are any subducted?
W.L. Griffin, Suzanne Y. O'Reilly and N.J. Pearson Invited
GEMOC, Macquarie view pdf
6TH HUTTON SYMPOSIUM ON THE ORIGIN OF GRANITES AND RELATED ROCKS. INTERNATIONAL HUTTON 2007 CONFERENCE, STELLENBOSCH, SOUTH AFRICA, 2-7 JULY, 2007
The assembly of magma chambers: Evidence from detailed zircon investigations
E.A. Belousova, W.L. Griffin, S.Y. O’Reilly and V. Murgulov Keynote
GEMOC , Macquarie view pdf
Significance of magma fractionation in generation of rare-metal granites: geochronological and geochemical study of the Raumid multiphase granite (S. Pamir)
Y.A. Kostitsyn1, E.A. Belousova2 and V.N. Volkov3
1. V.I.Vernadsky Institute of Geochemistry and Analytical Chemistry, Moscow, Russia, 2. GEMOC, Macquarie, 3. Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry (IGEM) RAS, Moscow Russia
New constraints on metamorphic processes in the eastern Lachlan Fold Belt, south-eastern Australia: relating I- and S- types granites in their type area
C.D. Quinn1 and R.A. Glen1,2
1. Geological Survey of NSW, Department of Primary Industries, 2. GEMOC, Macquarie
Generating compositional diversity in TTG magmas during melt segregation in the lowermost crust
T. Rushmer Keynote
GEMOC, Macquarie
Similarities between A-type granites and low-Ti rhyolites from continental flood basalt provinces
S.P. Turner and T. Rushmer
GEMOC, Macquarie
Where do the big S-type granites come from? Problems of extraction & sources of felsic magma
Vernon, R.H. Keynote
GEMOC, Macquarie view pdf
“DEFORMATION IN THE DESERT” CONFERENCE, GEOLOGICAL SOCIETY OF AUSTRALIA, SPECIALIST GROUP: TECTONICS AND STRUCTURAL GEOLOGY, ALICE SPRINGS, NT, JULY 9-13, 2007
The crustal evolution of the Musgrave Province
A. Schwarz1,2, M. Hand2, K. Barovich2, B. Wade2, E. Belousova3 and E. Jagodzinski1
1. Department of Primary Industries and Resources of South Australia, Adelaide, South Australia, 2. Continental Evolution Research Group, School of Earth and Environmental Sciences, University of Adelaide, South Australia, 3. GEMOC, Macquarie
THIRD INTERNATIONAL WORKSHOP AND FIELD EXCURSION FOR IGCP 480, BEIJING SHRIMP CENTRE, BEIJING, AUGUST 6-15, 2007
The problem of continental margin turbidites: examples from the Lachlan Orogen, Tasmanides, SE Australia
R.A. Glen1,2, A. Saeed2 and W. Griffin2
1. Geological Survey of NSW, Department of Primary Industries, 2. GEMOC, Macquarie
GOLDSCHMIDT 2007, COLOGNE, GERMANY, AUGUST 19 - 24, 2007
Thallium isotope constraints on Earth’s accretion
R.G.A. Baker1,2, S.G. Nielsen3, M. Rehkämper1,2, M. Schönbächler1, B.J. Wood4 and A.N. Halliday3
1. Impact and Astromaterials Research Centre (IARC), Imperial College, London, UK, 2. The Natural History Museum, London, UK, 3. Dept. of Earth Science, Oxford, UK, 4. GEMOC, Macquarie view pdf
Experimental constraints on trace element fluxes from slab to wedge
J. Blundy1, K. Klimm1 and T. Green2
1. Earth Sciences, University of Bristol, UK, 2 GEMOC, Macquarie view pdf
Water in the mantle: the effect of olivine and orthopyroxene composition and fO2
R.A. Brooker1, K.J. Grant2, S.C. Kohn3 and B.J.Wood2
1. Dept. Earth Sciences, University College London, UK, 2. GEMOC, Macquarie, 3. Dept Earth Sciences, University of Bristol, UK view pdf
Source Depletion versus extent of melting in the Tongan Sub-arc Mantle
J.T. Caulfield, S. Turner, A. Dosseto and N.J. Pearson
GEMOC, Macquarie view pdf
Zircon and whole-rock Hf isotope constraints on the petrogenesis of Transhimalayan plutonic rocks
M.-F. Chu1,2, S.-L. Chung1, S.Y. O’Reilly3, N.J. Pearson3, X.-H. Li4 and F.-Y. Wu4
1. Department of Geosciences, National Taiwan University, 2. Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan 3. GEMOC, Macquarie, 4. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China view pdf
New metal-silicate partition coefficients and constraints on core composition and oxygen fugacity during Earth accretion
A. Corgne1,2, B. J. Wood1, W. F. Mcdonough3, S. Keshav2 and Y. Fei2
1. GEMOC, Macquarie, 2. Geophysical Laboratory, Carnegie Institution of Washington, USA, 3. Department of Geology, University of Maryland, USA view pdf
Amphibole control in the differentiation of arc magmas
J. Davidson1, C. Macpherson1 and S. Turner2
1. Department of Earth Sciences, University of Durham, 2. GEMOC, Macquarie view pdf
The timescale of sediment transport in a small tropical watershed
A. Dosseto1, S.P. Turner1, H.L. Buss2 and F. Chabaux3
1. GEMOC, Macquarie, 2. USGS, CA, USA, 3. CGS-EOST, Université de Strasbourg, Strasbourg, France view pdf
Lithium incorporation in olivine
K.J. Grant and B.J. Wood
GEMOC, Macquarie view pdf
Processes and timescales of magma genesis and differentiation at Lopevi Volcano, Vanuatu, SW Pacific
H.K. Handley1, S.P. Turner1, S.J. Cronin2 and I.E.M. Smith3
1. GEMOC, Macquarie, 2. Institute of Natural Resources, Massey University, New Zealand, 3. Department of Geology, University of Auckland, New Zealand view pdf
Insights into refertilization processes in lithospheric mantle from integrated isotopic studies in the Lherz Massif
V. Le Roux1,2, J.-L. Bodinier1, O. Alard1,2, P. Wieland2 and S.Y. O’Reilly2
1. Géosciences Montpellier, Université Montpellier 2, Montpellier, France, 2. GEMOC, Macquarie view pdf
Cu isotope signature of granites
W. Li, S.E. Jackson, B.W. Chappell, O. Alard and N.J. Pearson
GEMOC, Macquarie view pdf
Hf-in-zircon perspective on crustal growth and recycling in the Arabian-Nubian Shield
N. Morag1, D. Avigad1, K. Kolodner1, E. Belousova2, T. Ireland3 and Y. Harlavan4
1. Institute of Earth Sciences, The Hebrew University of Jerusalem, Israel, 2. GEMOC, Macquarie, 3. Planetary Science Institute, The Australian National University, ACT, Australia, 4. The Geological Survey of Israel, Jerusalem, Israel view pdf
The first record of allochthonous kimberlite within the Batain Nappes, Eastern Oman
S. Nasir1., S. Al-Khirbash1, A. Al-Sayigh1, A. Alharthy1, A. Mubarek1, H. Rollinson1, A. Lazki1, E. Belousova2, W. Griffin2 and F. Kaminsky3
1. Department of Earth Sciences, Sultan Qaboos University, 2.GEMOC, Macquarie, 3. KM Diamond Exploration Ltd. Vancouver, Canada view pdf
Mass bias: a comparison of solution and laser ablation MC-ICPMS
N.J. Pearson1, W.L. Griffin1, H.-R. Kuhn1, O. Alard 1,2, K.J. Grant1, S.E. Jackson1 and S.Y. O’Reilly1
1. GEMOC, Macquarie, 2. CNRS, Université de Montpellier, France view pdf
238U- and 232Th-decay series constraints on the timescales of generation and degassing for phonolite erupted in 2004 near Tristan da Cunha
M.K. Reagan1, S. Turner2, M. Legg1, K.W.W. Sims3 and V. L. Hards4
1. Uuniversity of Iowa, Iowa City, USA, 2. GEMOC, Macquarie, 3. WHOI, Woods Hole, MA, USA, 4. British Geological Survey, UK view pdf
Trace elements in garnets of diamondiferous xenoliths from the Nurbinskaya pipe, Yakutia
Z. V. Spetsius1, W.L. Griffin2, S.Y. O’Reilly2 and V.I. Banzeruck1
1. YANIGP CNIGRI, ALROSA Co. Ltd., Mirny, Yakutia, Russia, 2. GEMOC, Macquarie view pdf
Magma genesis and differentiation at Merapi volcano, Sunda arc, Indonesia
V.R. Troll1, R. Gertisser2, J.P. Chadwick1, J. Keller3 and H.K. Handley4
1. Department of Geology, Trinity College, Dublin, Ireland, 2. Earth Sciences and Geography, Keele University, Keele, UK, 3. Institut für Mineralogie, Petrologie und Geochemie, Universität Freiburg, Germany, 4. GEMOC, Macquarie view pdf
Fractionation of Fe and O isotopes in the mantle: Implications for the origins of eclogites and the source regions of mantle plumes
H.M. Williams1,2, S.G. Nielsen1,2, C. Renac3, C.A. McCammon4, W.L. Griffin1 and S.Y. O’Reilly1
1. GEMOC, Macquarie University, Australia, 2. Dept of Earth Sciences, Oxford University, UK, 3. Dept de Géologie de l'Université Jean Monnet, France, 4. Bayerisches Geoinstitut, Universität Bayreuth, Germany view pdf
Fe-FeS-silicate partitioning of chalcophile and siderophile elements: implications for core formation
B.J. Wood1, A. Corgne1 and J. Wade2
1. GEMOC, Macquarie, 2. Planetary and Space Sciences Research Institute, Open University, Milton Keynes, UK view pdf
The age and reworking of Cathaysia crustal basement
X. Xu1,2, S.Y. O’Reilly2, W.L. Griffin2, X. Wang1,2, N.J. Pearson2 and Z. He1
1. State Key Laboratory for Mineral Deposits Research, Department of Earth Sciences, Nanjing University, Nanjing, China, 2. GEMOC, Macquarie view pdf
EUROPEAN MANTLE WORKSHOP (EMAW): PETROLOGICAL EVOLUTION OF THE EUROPEAN LITHOSPHERIC MANTLE: FROM ARCHEAN TO PRESENT DAY, FERRARA UNIVERSITY, FERRARA ITALY, AUG 29, 2007 - AUG 31, 2007
Mantle xenoliths evolution during Neogene post-collisional transition from calc-alkaline to alkaline volcanisme in Oranie : A slab breakoff
J.E. Cottin1, G. Delpech2, M. Zerkam3, S.Y O’Reilly4, A. Louni5, M.Gregoire5 and J.-P. Lorand6
1. Department of Geology-UMR 6524 Magmas et Volcans, University of Jean Monnet, Saint-Etienne Cedex, France, 2. Interactions et Dynamique des Environnements de Surface, 3. IST, Université d’Oran Es Senia, Oran, Algérie, 4. GEMOC, Macquarie, 5. Dynamique Terrestre et Planétaire, Observatoire Midi-Pyrénées, Toulouse, France, 6. LAB. Minéralogie, Muséum Paris, France view pdf
Evidence of melt stage refertilization and metasomatism in abyssal peridotites from hess deep (ODP LEG 147)
Y. Gréau1, M. Godard2 and O. Alard1,2
GEMOC, Macquarie, 2. Laboratoire de Tectonophysique, Université Montpellier II view pdf
Trace-element patterns of diamond: clues to mantle processes
W.L. Griffin, S. Rege, D. Araujo, S. Jackson and N. Pearson
GEMOC, Macquarie view pdf
Insights into refertilization processes in lithospheric mantle from integrated isotopic studies in the lherz massif
V. Le Roux1, J.-L. Bodinier1, O. Alard11,2 and S.Y. O’Reilly2
1. Géosciences Montpellier – France, 2. GEMOC, Macquarie view pdf
Trace-element patterns of diamond: clues to mantle processes
W.L. Griffin, S. Rege, D. Araujo, S. Jackson and N. Pearson
GEMOC, Macquarie
Linking crustal and mantle events using in-situ U-Pb, LU-Hf and Re-Os isotope analysis
N. Pearson, S.Y. O’Reilly, W.L. Griffin, A. Olivier and E. Belousova
GEMOC, Macquarie view pdf
Geochemical features of spinel peridotites in the Upper Miocene Valle Guffari Diatreme (Hyblean Plateau, Sicily): Implications on evolution of south-eastern Sicily lithosphere
C. Perinelli1, G.T. Sapienza2, P. Armienti1, L. Morten*3, W.L. Griffin4 and S.Y. O’Reilly4
1. Dipartimento di Scienze della Terra, Università di Pisa, Italy, 2. Dipartimento di Scienze della Terra e Geologico-Ambientali, Università di Bologna, Italy, 3. Dipartimento di Scienze della Terra e Geologico-Ambientali, Università di Bologna, Italy; * deceased, Nov 18 2006, 4. GEMOC, Macquarie view pdf
Archean lithospheric mantle: the refertilised remains
S.Y. O’Reilly, W.L. Griffin and G. Begg Keynote
GEMOC, Macquarie view pdf
Geochemical fingerprinting: variations in lithospheric mantle signatures within and between terranes
W. Powell, S.Y. O’Reilly.
GEMOC, Macquarie view pdf
Characterisation of the metasomatic agent in mantle xenoliths from Deves, massif central (France) using coupled in-situ trace element and O, Sr, Nd isotopic compositions
C. Renac1, S. Touron1, J.-Y. Cottin1, S.Y. O’Reilly2 and W.L.Griffin2
1. Department de Geologie, Faculté de Sciences et Tecniques, Université Jean Monnet – France, 2. GEMOC, Macquarie view pdf
EXPLORATION 07: FIFTH DECENTENNIAL INTERNATIONAL CONFERENCE ON MINERAL EXPLORATION, TORONTO CANADA, SEPT 9-12 2007
Workshop 3: Indicator mineral methods in mineral exploration
Mineral chemistry
W.L. Griffin Invited
GEMOC Macquarie view pdf
Crustal history and metallogenic fertility: Terrane-scale assessment with detrital zircons
W.L. Griffin, E. Belousova and S.Y. O'Reilly Invited
GEMOC, Macquarie view pdf
7TH INTERNATIONAL SYMPOSIUM ON APPLIED ISOTOPE GEOCHEMISTRY STELLENBOSCH, SOUTH AFRICA, SEPTEMBER 10 - 14, 2007
Crustal architecture in the Mozambique Belt, northeastern Mozambique: Perspective from U-Pb and Lu-Hf isotopes in zircon
B. Bingen1, G. Viola1, W. L. Griffin2, J. Jacobs3, R. Boyd1, R. Thomas4, X. Daudi5, I. Henderson1, E. Beyer2, A. Engvik1, R. Key4, A. Solli1, J.S. Sandsad1, E. Tveten1, T. Bjerkgård1, D. Jamal6
1. Geological Survey of Norway, Trondheim, Norway, 2. GEMOC, Macquarie , 3. Department of Earth Science, University of Bergen, Norway, 4. British Geological Survey, UK, 5. National Directorate for Geology, Maputo, Mozambique, 6. Eduardo Mondlane University, Maputo, Mozambique view pdf
AGS-2007 SYMPOSIUM: ORES AND OROGENESIS: CIRCUM-PACIFIC TECTONICS, GEOLOGIC EVOLUTION, AND ORE DEPOSITES, A SYMPOSIUM IN HONOR OF WILLIAM R. DICKINSON , TUCSON ARIZONA, USA, 24 – 30 SEPTEMBER, 2007
Living with Archean lithosphere
G. Begg1, W.L. Griffin2, S.Y. O'Reilly2 and L. Natapov2 Invited
1. Carnarvon Crescent, Coolbinia, Australia, 2. GEMOC, Macquarie view pdf
Archean, Proterozoic and Phanerozoic Lithospheres: Preservation, modification or delamination?
W.L. Griffin1, S.Y. O'Reilly1 and Graham Begg1,2 Invited
1. GEMOC, Dept of Earth and Planetary Sciences, Macquarie University, NSW 2109, Australia, 2. BHP Billiton, Perth, WA 6000, Australia view pdf
GEOLOGICAL SOCIETY OF AUSTRALIA, SPECIALIST GROUP IN GEOCHEMISTRY, MINERALOGY AND PETROLOGY (SGGMP), DUNEDIN, NZ, OCTOBER 14-19, 2007
Age constraints and new field relationships of high-pressure mafic granulites of Fiordland, New Zealand
N.R. Daczko1, S.A. Carroll1, L.A. Milan1 and G.L. Clarke2
1. GEMOC, Macquarie, 2. University of Sydney, Sydney, Australia
A U-Pb and hafnium in-situ zircon investigation of orthogneiss and paragneiss units of Western Fiordland, New Zealand
L.A. Milan1, N.R. Daczko1, I. Turnbull2, A. Allibone2 and G.L. Clarke3
1. GEMOC, Macquarie, 2. GNS Science, Dunedin, New Zealand, 3. University of Sydney, Sydney, Australia
Origin of compositional variations in TTG-like magmas: An integrated experimental and numerical study
T. Rushmer1, A. Getsinger2 and M.D. Jackson3
1. GEMOC, Macquarie, 2. Department of Geology, University of Vermont, Burlington, VT, USA, 3. Department of Earth Science and Engineering, Imperial College, London, UK
THE 2007 GSA (THE GEOLOGICAL SOCIETY OF AMERICA) ANNUAL MEETING, DENVER, USA, OCTOBER 28-31, 2007
Episodic granitic magmatism in space and time: constraints from igneous and detrital zircon age spectra
K.C. Condie, E.A. Belousova, and W.L Griffin
GEMOC, Macquarie
7TH AUSTRALIAN SPACE SCIENCE CONVENTION, SYDNEY, SEPTEMBER 24-27, 2007
The tectonics of super-sized Earths
C. O’Neill
GEMOC, Macquarie
WORKSHOP ON RELATIONSHIPS BETWEEN FRACTURING, DEFORMATION, RECRYSTALLIZATION AND METAMORPHIC REACTIONS, PERTH, WESTERN AUSTRALIA, SEPTEMBER, 2007
Metamorphism-deformation relationships — problems
R.H. Vernon Invited
GEMOC, Macquarie
XVIII SYMPOSIUM ON ISOTOPE GEOCHEMISTRY, MOSCOW, RUSSIA, NOVEMBER 12 –16, 2007
TerraneChron® methodology: detrital zircons as a new tool in crustal evolution studies
E.A. Belousova, W.L. Griffin, and S.Y. O’Reilly Invited
GEMOC, Macquarie
Comparative studies of isotopic and trace-element composition of zircon and host granites of the Raumid Complex (in Russian)
Y.A. Kostitsyn1, E.A. Belousova2, V.N. Volkov3 and K.N. Shatagin3
1. V.I.Vernadsky Institute of Geochemistry and Analytical Chemistry, Moscow, Russia, 2. GEMOC, Macquarie, 3. Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry (IGEM) RAS, Moscow, Russia
AMERICAN GEOPHYSICAL UNION (AGU) FALL MEETING, SAN FRANCISCO, DECEMBER 10-14, 2007
A magmatic perspective and zircon Hf isotope constraints on Tibetan orogenesis
S. Chung1, M. Chu1,2,3, S. O’Reilly3, N. Pearson3, D. Liu4, B. Song4, J. Ji5, C. Lo1 and T. Lee1
1. Dept Geosciences, National Taiwan University, Taipei, Taiwan, 2. Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan, 3. GEMOC, Macquarie, 4. Institute of Geology, Chinese Academy of Geological Science, Beijing, China, 5. School of Earth and Space Sciences, Peking University, Beijing, China
U-series disequilibria from the East Pacific Rise (9°3N and 10°4N, 11°5N): evidence for off-axis magmatism along fast spreading ridges?
C. Beier1, S.P. Turner1 and Y. Niu2
1. GEMOC, Macquarie, 2. Department of Earth Sciences, Durham University, Durham, UK
Spin transition and equation of state of ferropericlase at high temperature: implications for density model of the lower mantle
Y. Fei1, A. Ricolleau1, E. Cottrell2, L. Zhang1, A. Corgne3, Y. Wang4,
T. Komabayashi1, N. Sata5, V. Prakapenka6 and Y. Meng7
1. Geophysical Laboratory, Carnegie Institution of Washington, DC, USA, 2. National Museum of Natural History, Smithsonian Institution, Washington, DC, USA, 3. GEMOC, Macquarie, 4. Peking University, Department of Geology, Beijing, China, 5. Japan Agency for Marine-Earth Science and Technology, Institute for Research on Earth Evolution, Yokosuka, Kanagawa, Japan, 6. GSECARS, University of Chicago, IL, USA, 7. HPCAT, Carnegie Institution of Washington, IL, USA
The geodynamics of super-sized Earths
C. O’Neill1 and A. Lenardic2
1. GEMOC, Macquarie, 2. Rice University, Houston, TX, USA
Sediment gravity flows in a Mid-Ocean Ridge environment and their relationship to spreading related faults, Macquarie Island
R. Portner1, N.R. Daczko1 and J.A. Dickinson2
1. GEMOC, Macquarie, 2. RPS Energy, Surrey, UK
New insights into the heat sources of mantle plumes, or: where does all the heat come from, heat producing elements, advective or conductive heat flow?
T. Rushmer, C. Beier and S. Turner
GEMOC, Macquarie
An inter-laboratory assessment of the Th isotopic composition of synthetic and rock standards
K.W. Sims1, J. Gill2, A. Dosseto3, D.L. Hoffmann4, C. Lundstrom5, R. Williams6, L. Ball1, D. Tollstrup2, S. Turner3, J. Prytulak4, J. Glessner5, J. Standish1 and T.R. Elliott4
1. Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, USA, 2. Earth and Planetary Sciences, University of California, Santa Cruz, USA, 3. GEMOC, Macquarie, 4. Bristol Isotope Group, University of Bristol, UK, 5. Dept of Geology, University of Illinois Urbana Champaign, Urbana, USA, 6. Chemical Biology and Nuclear Science Division, Lawrence Livermore National Laboratory, Livermore, USA
New constraints from Tonga-Kermadec on the origin of O-Hf-Os isotope signatures in oceanic arc lavas
S. Turner1, M. Handler2 and I. Bindeman3
1. GEMOC, Macquarie, 2. School of Geography, Environment and Earth Sciences, Victoria University of Wellington, New Zealand, 3. Department of Geological Sciences, University of Oregon, USA
Proterozoic mantle lithosphere beneath the Tariat Depression and Dariganga Plateau, Mongolia: in situ Re-Os evidence
K.-L. Wang1,2, S.Y. O’Reilly2, W.L. Griffin2, N. Pearson2 and M. Zhang2
1. Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan, 2. GEMOC, Macquarie
Generation of high-silica melts from the mantle: effects of alkalis and water
B.J. Wood and S. Turner Invited
GEMOC, Macquarie