GEMOC - Department of EPS - Faculty of Science

Refertilization of oceanic mantle by old depleted melts beneath a slow spreading ridge: An Os isotope study of the peridotites drilled at ODP Site 1274 (15°20 FZ, Mid-Atlantic Ridge)
O. Alard¹, Y. Gréau^1,2, M. Godard¹, J.-P. Lorand³ and S.Y. O'Reilly²
1. CNRS - Université Montpellier,
2. Géosciences Montpellier, Montpellier, France,2. GEMOC, Macquarie,
3. Laboratoire de Minéralogie, CNRS & Muséum National d'Histoire Naturelle, Paris, France

A wide angle upper mantle reflector in SW Iberia: some constraints on its nature
P. Ayarza¹, I. Palomeras², R. Carbonell², J.C. Afonso³ and F. Simancas⁴
1. Geology Department, Pza. de la Merced, Salamanca University,
2. Institute of Earth Sciences J. Almera, Barcelona,3. GEMOC, Macquarie,
4. Geodynamics Department, Campus de Fuentenueva. Granada University

The nature of the Moho beneath the Iberian peninsula
R. Carbonell¹, J. Diaz¹, D. Brown¹, I. Palomeras¹, P. Ayarza², J.C. Afonso³, F. Simancas⁴, A. Perez-Estaun¹, J. Pous² and J. Gallart¹
1. Institute of Earth Sciences J. Almera, Barcelona,2. Geology Department, Pza. de la Merced, s/n. Salamanca University,3. GEMOC, Macquarie,4. Geodynamics Department, Campus de Fuentenueva. Granada University

Disrupted subcontinental mantle in an ocean basin: Sal Island, Cape Verde Arcipelago
M. Coltorti¹, C. Bonadiman¹, S. O'Reilly², W. Griffin²and N. Pearson²
1. Department of Earth Science, Ferrara, Italy,2. GEMOC, Macquarie

A LA-HR-ICPMS study of abyssal peridotites from ODP Sites 920 and 1274 (23°N and 15°20N, Mid-Atlantic Ridge): New insights on the (re-)distribution of highly incompatible elements in the mantle during magmatic processes and serpentinisation
M. Godard¹, M. Andreani², O. Alard¹ and Y. Gréau^1,3
1. CNRS - Université Montpellier 2, Géosciences Montpellier, France,2. Laboratoire des Sciences de la Terre, CNRS – ENS, France,3. GEMOC, Macquarie

Different scales of Os isotopic heterogeneity in ophiolite chromitites from Sagua de Tánamo and Mayarí mining districts (Eastern Cuba)
F. Gervilla^1,2, C. Marchesi^1,3, J.M. González-Jiménez^1,2, J.A. Proenza⁴, C.J. Garrido², W.L. Griffin³, S. O'Reilly³ and N.J. Pearson³
1. University of Granada, Mineralogy and Petrology, Granada, Spain,2. Instituto Andaluz de Ciencias de la Tierra, Universidad de Granada-CSIC (Spain),3. GEMOC, Macquarie,4. Departament de Cristallografia, Mineralogía i Dipòsits Minerals, Facultat de Geología, Universitat de Barcelona, Spain

Core segregation mechanism and compositional evolution of terretrial planets
N. Petford¹ and T. Rushmer²
1. Bournemouth University, Poole, United Kingdom,2. GEMOC, Macquarie

The composition of Yakutian diamond-forming liquids
D.A. Zedgenizov¹, V.S. Shatsky¹, D. Araujo², W.L. Griffin² and A.L. Ragozin¹
1. Institute of Geology and Mineralogy, Novosibirsk, Russian Federation, 2. GEMOC, Macquarie

A new model for the evolution of diamond-forming fluids
Y. Weiss¹, R. Kessel¹, W.L. Griffin², I. Kiflawi¹, O. Klein¹, D.R. Bell³, J.W. Harris⁴ and O. Navon¹
1. The Hebrew University, Institute of Earth Sciences, Jerusalem, Israel,
2. GEMOC, Macquarie,3. School of Earth and Space Exploration, Arizona State University, Tempe, AZ, USA,
4. Geographical and Earth Sciences, University of Glasgow, Scotland

Trace elements of fibrous diamonds
Y. Weiss¹, W.L. Griffin² and O. Navon¹
1. The Hebrew University, Institute of Earth Sciences, Jerusalem, Israel, 2. GEMOC, Macquarie

INTERNATIONAL CONFERENCE ON ISLAND ARC-CONTINENT COLLISIONS 2009 - "THE MACQUARIE ARC LACHLAN OROGEN", ORANGE, NSW, AUSTRALIA, 13-21 APRIL 2009

Basement to the Ordovician Macquarie Arc, Lachlan Orogen, NSW: constraints from zircon data
A. Saeed¹, R.A. Glen^1,2, C.D. Quinn², E. Belousova¹ and W. Griffin¹
1. GEMOC, Macquarie,2. Geological Survey of New South Wales Department of Primary Industries, Australia

GSA PENROSE CONFERENCE, PICO, AZORES "PLUMES AND THEIR ROLE IN WHOLE MANTLE CONVECTION", THE AZORES, 11-15 MAY 2009

Recycling of ancient subducted material through the mantle: Os and stable isotope evidence from the Azores
B.F. Schaefer¹, S. Turner¹, S. Tonarini², I. Bindemann³ and W. Leeman⁴
1. GEMOC, Macquarie,2. Istituto di Geoscienze e Georisorse, Pisa, Italy,3. Department of Geology and Geophysics, University of Wisconsin, Madison, USA,4. National Science Foundation, Arlington, Virginia, USA

AMERICAN GEOPHYSICAL UNION MEETING, 2009 JOINT ASSEMBLY: THE MEETING OF THE AMERICAS, TORONTO, CANADA, 24-27 MAY 2009

Fabric development in a late-Hercynian magmatic strike-slip shear zone in southern Corsica: indications of melt-supported large-scale deformation localization
J.H. Kruhl¹ and R.H.Vernon²
1. Tectonics and Material Fabrics Section, Technische Universitaet Muenchen, Muenchen, Germany,2. GEMOC, Macquarie

Nd isotopic constraints on the provenance of cover sequences in the southern Australian Palaeoproterozoic:
K.E. Howard¹, M. Hand¹, K.M. Barovich¹, M.A. Szpunar¹ and J.L. Payne²
1. Continental Evolution Research Group, School of Earth and Environmental Sciences, University of Adelaide, Adelaide, SA 5005, Australia, 2. GEMOC, Macquarie

GOLDSCHMIDT™2009 - "CHALLENGES TO OUR VOLATILE PLANET", DAVOS, SWITZERLAND, 21-26 JUNE 2009

Back-arc melting: Fluid or source induced?
C. Beier^1,2, S.P. Turner^2, W. Bach³, D. Niedermeier³, J. Sinton⁴ and J. Gill⁵
1. GeoZentrum Nordbayern, Universität Erlangen-Nürnberg, Germany, 2. GEMOC, Macquarie,3. Petrologie der Ozeankruste, Department of Geosciences, University of Bremen, Bremen, Germany,4. Department of Geology and Geophysics, University of Hawaii, Honululu, USA,5. Earth and Planetary Sciences, University of California, Santa Cruz, USA

Continental versus crustal growth: Resolving the paradox
G. Begg^1,2, E. Belousova¹, W.L. Griffin¹, S.Y. O'Reilly¹ and L. Natapov¹ Invited
1. GEMOC, Macquarie,2. Minerals Targeting International, West Perth, WA, Australia

Testing models for continental crustal growth: A TerraneChron® approach
E.A. Belousova¹, Y.A. Kostitsyn², W.L. Griffin¹ and S.Y. O'Reilly¹ Invited
1. GEMOC, Macquarie,2. Vernadsky Institute of Geochemistry and Analytical Chemistry RAS, Moscow, Russia

Isotopic data (Sr-Nd-Hf-O) of intrusive rocks from the Kerguelen Islands (Indian Ocean)
J. Chevet^1,2, M-C. Gerbe², M. Grégoire³, S.Y. O'Reilly¹, J-Y. Cottin² and W.L. Griffin¹
1. GEMOC, Macquarie,2. UJM LTL UMR 6524 Magmas et Volcans, Université Jean Monnet, Saint-Etienne, France,
3. DTP, CNRS-UMR 5562, Observatoire Midi Pyrénées, Université Toulouse III, Toulouse, France

Deep lithosphere processes recorded for the West Antarctic Rift System
M. Coltorti¹, C. Bonadiman¹, B. Faccini¹, M. Melchiorre¹, S. O'Reilly², W. Griffin² and N. Pearson²
1. Department of Earth Sciences, Ferrara University, Ferrara, Italy,2. GEMOC, Macquarie

A new perspective on the 2.7 Ga event on Earth
K.C. Condie¹ and C. O'Neill²
1. Department of Earth and Environmental Science, New Mexico Tech, Socorro, USA,2. GEMOC, Macquarie

Long residence time of sediments in small catchments
A. Dosseto^1,2, S.P. Turner¹, F. Chabaux³ and H. Buss⁴
1. GEMOC, Macquarie,2. School of Earth and Environmental Sciences, University of Wollongong, NSW, Australia,3. Centre de Gèochimie de la Surface, CGS-EOST. Strasbourg, France,4. U.S. Geological Survey, Menlo Park, CA, USA

Refertilization of oceanic mantle by old depleted melts: An in situ trace element and Os isotope study of ODP Site 1274 peridotites
M. Godard¹, O. Alard¹, Y. Greau², J.-P. Lorand³, W.L. Griffin² and S.Y. O'Reilly²
1. Geosciences Montpellier, CNRS and UM2, Montpellier, France,2. GEMOC, Macquarie,3. Laboratoire de Minéralogie, CNRSMNHN, Paris, France

Paleo-Archean generation of the continental lithosphere

W.L. Griffin¹, G. Begg², S.Y. O'Reilly¹ and J.C. Afonso¹ Invited
1. GEMOC, Macquarie,2. Minerals Targeting International PL, West Perth, WA, Australia

U-PB dating and HF isotope analysis of zircon from young magmatic rocks of the Mid-Atlantic ridge
Y. Kostitsyn¹, E. Belousova², N. Bortnikov³, S. Silantiev¹ and E. Sharkov³
1. GEOKHI RAS, Moscow, Russia,
2. GEMOC, Macquarie,3. IGEM RAS, Moscow, Russia

In situ laser ablation ICP-MS analysis of Ruthenium in chromite
M. Locmelis¹, N.J. Pearson¹, M.L. Fiorentini² and S.J. Barnes³
1. GEMOC, Macquarie,2. Centre for Exploration Targeting, School of Earth and Geographical Sciences, University of Western Australia,3. CSIRO Exploration and Mining, Western Australia

U/Pb dating of zircons from the lower crustal xenoliths from Siberian kimberlites
V.G. Malkovets¹, E.A. Belousova²,W.L. Griffin², L.V. Buzlukova¹, V.S. Shatsky¹,
S.Y. O'Reilly² and N.P. Pokhilenko¹
1. Institute of Geology and Mineralogy SB RAS, Novosibirsk, Russia,2. GEMOC, Macquarie

Persistence of mantle lithosphericRe-Os signature duringlithosphere-asthenosphere interaction: Insights from in situ isotopic analysis of sulfides from the Ronda peridotite
(S. Spain)
C. Marchesi¹, W.L. Griffin², C.J. Garrido³, J.-L. Bodinier¹, S.Y. O'Reilly² and
N.J. Pearson²
1. Gèosciences Montpellier, Montpellier, France,2. GEMOC, Macquarie,
3. Instituto Andaluz de Ciencias de la Tierra, Granada, Spain

Evolution and stabilization of a juvenile crust: Zircon U-Pb and Hf isotopic perspectives from the northern Arabian-Nubian Shield
N. Morag¹, D. Avigad¹, A. Gerdes²,
E. Belousova³ and Y. Harlavan⁴
1. Institute of Earth Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel,2. Institut für Geowissenschaften, Johann Wolfgang Goethe Universität, Germany,3. GEMOC, Macquarie,4. The Geological Survey of Israel, Jerusalem, Israel

Geochemical signatures of arc and back-arc magmatism in the Eastern Manus Basin
D. Niedermeier¹, W. Bach¹ and C. Beier^2,3
1. Petrologie der Ozeankruste, Department of Geosciences, Universitåt Bremen, Bremen, Germany,2. GeoZentrum Nordbayern, Universität Erlangen-Nürnberg, Erlangen, Germany,3. GEMOC, Macquarie

Ultradeep continental roots and their stranded oceanic remnants; A solution to the geochemical'crustal reservoir' problem?
S.Y. O'Reilly, M. Zhang and W.L. Griffin Keynote
GEMOC, Macquarie

Shallow slab melting at the start of Western Pacific subduction: Geochemical and experimental evidence
J. Pearce¹, D. Peate² and T. Rushmer³
1. School of Earth and Ocean Sciences, Cardiff University, Cardiff, Wales, UK,2. Department of Geoscience, University of Iowa, USA,3. GEMOC, Macquarie

The accuracy and precision of in situ Re-Os isotopic measurements by laser ablation MC-ICPMS
N.J. Pearson¹, W.L. Griffin¹, O. Alard², S.Y. O'Reilly¹, B.F. Schaefer¹ and J.L. Payne¹
1. GEMOC, Macquarie,2. CNRS, Geosciences Montpellier, Université Montpellier 2,Montpellier, France

Crustal influences on U-Th disequilibrium at Ngauruhoe and Ruapehu volcanoes, New Zealand
R.C. Price¹, S. Turner², C. Cook¹, B.J. Hobden¹, I.E.M. Smith³ and J.A. Gamble⁴
1. Science and Engineering, University of Waikato, Hamilton, New Zealand,2. GEMOC, Macquarie,3. Geology Programme, SGGES, University of Auckland, Auckland, New Zealand,4. Department of Geology, National University Ireland, University College Cork, Ireland

Mechanism and timing of Pb transport from subducted oceanic crust and sediment to the mantle source of arc lavas
M. Regelous¹, J. Gamble² and S.Turner³
1. GeoZentrum Nordbayern, Universität Erlangen-Nürnberg, Erlangen, Germany,2. Department of Geology, National University of Ireland, Cork, Ireland,
3. GEMOC, Macquarie

Petrogenesis of TTG magmatism: Generating chemical diversity in different tectonic settings
T. Rushmer Invited
GEMOC, Macquarie

Re-Os isotope constraints on the timing and origin of the Giles Complex, South Australia
B.F. Schaefer¹ and B.P. Wade²
1. GEMOC, Macquarie,2. Adelaide Microscopy, The University of Adelaide, SA, Australia

U-series disequilibria in SW Pacific island arcs
S. Turner Keynote
GEMOC, Macquarie

Crustal evolution of the Yangtze Block tracked by detrital zircons from sedimentary rocks
L.J. Wang^1,2, S.Y. O'Reilly¹, W.L. Griffin¹ and J.H. Yu^1,2
1. GEMOC, Macquarie,2. State Key Laboratory for Mineral Deposits Research, Department of Earth Sciences, Nanjing University, P.R. China

Mesozoic decratonization of the North China Block: Evidence from Hf-Os isotopes
J.-H. Yang¹, F.-Y. Wu¹ and W.L. Griffin²,
S. O'Reilly² and S.A. Wilde³ Keynote
1. State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China,2. GEMOC, Macquarie,3. The Institute for Geoscience Research, Curtin University of Technology, Perth, Western Australia

Formation of Precambrian crust in the Cathaysia Block, South China
J.-H. Yu^1,2, S.Y. O'Reilly²,L. Wang^1,2, M. Zhang² and L. Shu¹
1. State Key Laboratory for Mineral Deposits Research, School of Earth Sciences and Engineering, Nanjing University, Nanjing, China,2. GEMOC, Macquarie

60^TH UK DIAMOND CONFERENCE, WARWICK, JULY 2009

Diamond-forming fluids and their origins: Direct evidence from quantitative LAM-ICPMS microanalysis
W.L. Griffin, D.P. Araujo, N.J. Pearson and S.Y. O'Reilly Invited
GEMOC, Macquarie

72^ND ANNUAL MEETING OF THE METEOROLOGICAL SOCIETY 2009, NANCY, FRANCE, 13-15 JULY 2009

Timescale of Martian mantle overturn recorded in Nakhlite martian meteorites
V. Debaille¹, A.D. Brandon², C. O'Neill³, B. Jacobsen⁴ and Q.-Z. Yin⁴
1. Université Libre de Bruxelles, Brussels, Belgium,2. NASA-Johnson Space Center, Hous-ton, TX,3. GEMOC, Macquarie,
4. University of California, Davis, CA

GRANULITES AND GRANULITES 2009, GRANULITES, PARTIAL MELTING AND RHEOLOGY OF OROGENIC LOWER CRUST, HRUBA SKALA CHATEAU. CZECH REPUBLIC, 13-15 JULY 2009

Unraveling a protracted history in the hot seat: Charnockitic magmatism in the Proterozoic Rayner Orogen, east Antarctica
J.A. Halpin^1,2, L.A. Milan¹, N.R. Daczko¹ and G.L. Clarke³
1. GEMOC, Macquarie,2. ARC Centre of Excellence in Ore Deposits, University of Tasmania, TAS, Australia,3. School of Geosciences, The University of Sydney, NSW, Australia

Metastable persistence of pelitic assemblages during high-P granulite facies metamorphism of intermediate-mafic orthogneiss, Fiordland, New Zealand
N.R. Daczko¹, L.A. Milan¹, J.A. Halpin^1,2,
A. Allibone³ and G.L. Clarke⁴
1. GEMOC, Macquarie,2. ARC Centre of Excellence in Ore Deposits, University of Tasmania, TAS, Australia,3. Rodinian Pty Ltd, Queanbeyan, NSW, Australia,
4. School of Geosciences, The University of Sydney, NSW, Australia

AOGS (ASIA AND OCEANIA GEOLOGICAL SOCIETY) 2009 | 6TH ANNUAL GENERAL MEETING, SINGAPORE, 11-15 AUGUST 2009

Existence of microcontinent in the Central Asia Orogenic Belt: Evidence from the lithospheric mantle beneath the North Hangai Region, Central Mongolia
K.-L. Wang^{1, 2}, S.Y. O'Reilly², W.L. Griffin² and N.J. Pearson²
1. Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan,2. GEMOC, Macquarie

SGA2009 – THE 10^TH BIENNIAL MEETING OF THE SGA, TOWNSVILLE, NORTH QUEENSLAND, AUSTRALIA, 17-20 AUGUST 2009

TerraneChron®: application to crustal evolution studies and terrane-scale metallogenic potential assessments
E. Belousova, W.L. Griffin and S.Y. O'Reilly Invited
GEMOC, Macquarie

Plumes, cratons and nickel sulphide deposits
G. Begg^1,2, J. Hronsky³, S.Y. O'Reilly², W.L. Griffin² and N. Hayward⁴ Plenary Keynote
1. Minerals Targeting International PL, West Perth, WA, Australia,2. GEMOC, Macquarie,3. Western Mining Services (Australia), West Perth, WA, Australia,4. BHP Billiton Ltd,Perth, WA, Australia

Diamonds: How they form where they are
W.L. Griffin¹, S.Y. O'Reilly¹, D. Araujo¹, J.C. Afonso¹ and G. Begg² Invited
1. GEMOC, Macquarie,2. Minerals Targeting International PL, West Perth, WA, Australia

Platinum-Group Element mineralisation in sulfide-poor komatiites – a case study from Mt. Clifford, Western Australia
M. Locmelis¹, S.J. Barnes², M.L. Fiorentini³ and N.J. Pearson¹
1. GEMOC, Macquarie,2. CSIRO Exploration and Mining, Western Australia,3. Centre for Exploration Targeting, School of Earth and Geographical Sciences, University of Western Australia

Global lithospheric domains: a multidimensional framework to enhance mineral exploration targeting
S.Y. O'Reilly¹, W.L. Griffin¹, M. Zhang¹, E. Belousova¹, N. Pearson¹ and G. Begg² and J. Hronsky³Plenary Keynote
1. GEMOC, Macquarie,2. Minerals Targeting International PL, West Perth, WA, Australia,3. Western Mining Services (Australia) Pty Ltd, West Perth, WA, Australia

Genesis of the Urals VHMS deposits inferred from coupled Pb-Os isotope systematics
S. Tessalina^1,2 and J.-J. Orgeval³
1. Institute de Physique du Globe,Paris, France,2. GEMOC, Macquarie,3. BRGM, Orleans, France

INTERNATIONAL DISCUSSION MEETING ON CONTINENTAL GEOLOGY AND TECTONICS, NORTHWEST UNIVERSITY, XI'AN, CHINA, 6-12 SEPTEMBER 2009

Growth of continental crust from the Archean to now
W.L. Griffin¹, E. Belousova¹, G.C. Begg^1,2 and S.Y. O'Reilly¹ Keynote
1. GEMOC, Macquarie,2. Minerals Targeting International PL, West Perth, WA, Australia

Archean lithospheric mantle: formation, composition and fate through time
S.Y. O'Reilly¹, W.L. Griffin¹, G. Begg^1,2 and M. Zhang,¹ Invited
1. GEMOC, Macquarie,2. Minerals Targeting International PL, West Perth, WA, Australia

Highly siderophile elements in mantle sulfides: constraints on Archean mantle evolution and Ni-PGE mineralization
M. Zhang¹, S.Y. O'Reilly¹, W.L. Griffin¹
and K-L. Wang^1,2 Invited
1. GEMOC, Macquarie,2. Institute of Earth Sciences, Academia Sinica, Taipei, Republic of China

GEOITALIA 2009, VII FORUM ITALIANO DI SCIENZE DELLA TERRA, RIMINI, ITALY, 9-11 SEPTEMBER 2009

Characterizing the lithospheric-sublithospheric upper mantle system from internally consistent petrological-geophysical-geochemical modelling: why and how?
J.C. Afonso Keynote
GEMOC, Macquarie

8^TH INTERNATIONAL ECLOGITE CONFERENCE (IEC-8) 2009, XINING CITY, CHINA, 25 AUGUST - 3 SEPTEMBER 2009

Type I and Type II eclogites from Roberts Victor, South Africa: A metasomatic model
J. Huang^1,2,Y. Gréau¹,W.L. Griffin¹,
S.Y. O'Reilly¹
1. GEMOC, Macquarie,2. School of Earth Sciences and Resources, China University of Geosciences, Beijing, China

2009 PORTLAND GSA ANNUAL MEETING, 18-21 OCTOBER 2009

How does degassing in an active caldera differ from other systems? U-series isotopes constrain the time scales of gas transfer at Rabaul Caldera, PNG
H. Cunningham and S. Turner
GEMOC, Macquarie

Continental versus crustal growth: understanding the paradox
G.C. Begg, E.A. Belousova, W.L. Griffin, S.Y. O'Reilly and L. Natapov
GEMOC, Macquarie

FIRST YOUNG EARTH-SCIENTIST CONGRESS, BEIJING, CHINA, 25-28 OCTOBER 2009

Mantle eclogites from Roberts Victor, South Africa: A Metasomatic model
J. Huang, Y. Gréau, W.L. Griffin and S.Y. O'Reilly
GEMOC, Macquarie

THE 2009 BIENNIAL CONFERENCE OF THE SPECIALIST GROUP IN GEOCHEMISTRY, MINERALOGY AND PETROLOGY, KANGAROO ISLAND, SOUTH AUSTRALIA, 8-13 NOVEMBER 2009

Hadean boninites and TTG genesis
J. Adam and T. Rushmer
GEMOC, Macquarie

Influence of subducted components on back-arc melting dynamics in the Manus Basin
C. Beier¹, S. Turner¹, J. Sinton² and J. Gill³ Invited
1. GEMOC, Macquarie,2. Department of Geology and Geophysics, University of Hawaii,3. Department of Earth Sciences, University of California, Santa Cruz

Evolution of two contrasting subduction zones from late stage adakitic rocks
B. Coldwell¹, T. Rushmer¹, C. Macpherson²and N. Petford³
1. GEMOC, Macquarie,2. Department of Earth Sciences, University of Durham, Durham, UK,3. School of Conservation Sciences, Bournemouth University, Dorset, UK

A-type granites: Nature or nurture?
J. Foden¹, K. Kromkhun¹ and S. Turner²
1. TRAX, School of Earth and Environmental Science, University of Adelaide, Adelaide, SA,2. GEMOC, Macquarie

Did plate tectonics shut down for 250 Myr in the Early Proterozoic?
C. O'Neill¹, K. Condie² and R. Aster²Invited
1. GEMOC, Macquarie,2. Department of Earth and Environmental Science, New Mexico Tech, New Mexico, USA

Metallic-liquid segregation mechanisms during core formation and implications for the compositional evolution of terrestrial planets
T. Rushmer¹, N. Petford² and J. Adam¹Invited
1. GEMOC, Macquarie,2. Bournemouth University, Poole, UK

The ¹⁸⁷Re-¹⁸⁷Os isotopic system in silicate systems: constraints on closure temperature and its viability as a chronometer
B.F. Schaefer¹ and K.W. Burton² Invited
1. GEMOC, Macquarie,2. Department of Earth Sciences, Oxford University, UK

2009 AUSTRALIAN GEOTHERMAL ENERGY CONFERENCE: GEOTHERMAL DOWNUNDER - CLEAN ENERGY FROM THE GROUND UP, BRISBANE, AUSTRALIA, 10-13 NOVEMBER 2009

The 3D basement and thermal structure of the Gunnedah Basin
C.R. Danis and C. O'Neill GEMOC, Macquarie

GEOSCIENCES '09.GEOLOGICAL SOCIETY OF NEW ZEALAND NEW ZEALAND GEOPHYSICAL SOCIETY JOINT CONFERENCE, OAMARU, NEW ZEALAND, 23-27 NOVEMBER 2009

Metastable persistence of pelitic metamorphic assemblages during high-P granulite facies metamorphism of intermediate-mafic orthogneiss, Fiordland, New Zealand.
N.R. Daczko¹, L.A., Milan¹, J.A., Halpin^1,2, A.H. Allibone³ and G.L. Clarke⁴
1. GEMOC, Macquarie,2. CODES, University of Tasmania, TAS, Australia,3. Rodinian Pty Ltd, Queanbeyan, NSW, Australia,4. School of Earth Sciences, The University of Sydney, NSW, Australia

Complexity of U-Pb-Hf isotope patterns in zircon during arc magma genesis: evidence from a high-P Cretaceous granulite/eclogite facies arc root, Fiordland, New Zealand
L.A. Milan¹, N.R. Daczko¹, G.L. Clarke², A.H. Allibone³, I.M. Turnbull⁴ and R. Sutherland⁴
1. GEMOC, Macquarie,2. School of Earth Sciences, The University of Sydney, NSW, Australia,3. Rodinian Pty Ltd, Queanbeyan, NSW, Australia,4. Institute of Geological and Nuclear Sciences, Dunedin, NZ

Autochthonous inheritance of zircon in the Arthur River Complex, Fiordland, New Zealand
A. Tulloch¹, T. Ireland², J. Ramezani³, D. Kimbrough⁴ and W.L. Griffin⁵
1. GNS Science, Dunedin Research Centre, Dunedin, NZ,2. RSES, ANU, Canberra, Australia,3. Earth, Atmospheric and Planetary Sciences, MIT Cambrige, USA,4. Geological Sciences, San Diego State University, San Diego, USA,5. GEMOC, Macquarie

AMERICAN GEOPHYSICAL UNION- 2009 FALL MEETING, SAN FRANCISCO, CALIFORNIA, UNITED STATES, 14-18 DECEMBER 2009

Hadean boninites and TTG genesis
J. Adam¹,T. Rushmer¹, J. O'Neil² and D. Francis²
1. GEMOC, Macquarie,2. McGill Univeristy, Montreal, QC, Canada

The crust mantle transition beneath the Variscan Domain of the Iberian Peninsula
R. Carbonell¹, J. Diaz¹, D. Brown¹, I. Palomeras¹, D. Marti¹, P. Ayarza², J.C. Afonso³, F. Simancas⁴, A. Perez-Estaun¹ and J. Gallart¹
1. Institute of Earth Sciences J. Almera, Barcelona,2. Geology Department, Pza. de la Merced, s/n. Salamanca University,3. GEMOC, Macquarie,4. Geodynamics Department, Campus de Fuentenueva. Granada University

Relative roles of fluid fluxed and decompression melting within the Tonga Arc-Lau Basin system: Insights from the Fonualei spreading centre
J.T. Caulfield¹, S. Turner¹ and R.J. Arculus²
1. GEMOC, Macquarie,2. Research School of Earth Sciences, Australian National University, Canberra, ACT

The role of eclogite in the metasomatism and Cenozoic magmatism of Northern Victoria Land, Antarctica
M. Coltorti^1,2, C. Bonadiman^1,2, B. Faccini¹, W. Griffin², M. Melchiorre¹, S. O'Reilly² and N. Pearson²
1. Earth Sciences Department, University of Ferrara, Italy,2. GEMOC, Macquarie

(²²⁶Ra/²³⁰Th) excesses and the formation of high Mg andesitic lavas in the Western Bismarck arc, Papua New Guinea
H.S. Cunningham¹, S. Turner¹, J.B. Gill² and S.J. Day^{2, 3}
1. GEMOC, Macquarie,2. UCSC, Santa Cruz, CA, USA,3. UCL, London, UK

Catching in flagrante mantle unrooting beneath the Alpine-Himalayan Belt: Evidence from Atlas, Zagros and Tibet
M. Fernàndez¹, I. Jiménez-Munt¹, A. Villaseñor¹, J. Verges¹, D. García-Castellanos¹, E. Saura¹ and J.C. Afonso²
1. Institute of Earth Sciences J. Almera, Barcelona,2. GEMOC, Macquarie

Geophysical modelling of the lithosphere-asthenosphere boundary beneath the Atlantic-Mediterranean Transition Region: integrating potential field, surface heat flow, elevation, seismological and petrological data
J. Fullea¹, M. Fernàndez², J.C. Afonso³, J. Vergés² and H. Zeyen⁴
1. Dublin Institute for Advanced Studies,2. Institute of Earth Sciences J. Almera, Barcelona,3. GEMOC, Macquarie,
4. Département des Sciences de la Terre, UniversitéParis, France

Sediment residence time and landscape evolution in arid Australia
H.K. Handley¹, A. Dosseto², P.O. Suresh³, T.J. Cohen³ and S. Turner¹
1. GEMOC, Macquarie,2. GeoQuEST Centre, School of Earth and Environmental Science, University
of Wollongong, NSW, Australia,
3. Department of Environment and Geography, Macquarie

Decoupled accommodation of convergence between Africa and Eurasia: modeling the lithospheric structure across the Gorringe Bank and the NW Moroccan Margin
I. Jiménez-Munt¹, M. Fernàndez¹, J. Vergés¹, D. García -Castellanos¹, M. Pérez-Gussinyé¹, J.C. Afonso² and J. Fullea³
1. Institute of Earth Sciences J. Almera, Barcelona,2. GEMOC, Macquarie,3. Dublin Institute for Advanced Studies

Polygenetic magmatism in a monogenetic field: an isotopic investigation from the Auckland Volcanic Field, New Zealand
L. McGee¹, C. Beier², I.E. Smith¹ and S. Turner³
1. University of Auckland, Auckland, New Zealand,2. GeoZentrum Nordbayern, Universität Erlangen-Nürnberg, Erlangen, Germany,3. GEMOC, Macquarie

Metallic liquid segregation mechanisms: texturally-based models for estimating timescales of core formation
T. Rushmer¹, N. Petford² and P. Treloar³
1. GEMOC, Macquarie,2. Bournemouth University, Poole, United Kingdom,3. Kingston University, Kingston upon Thames, UK

Re-Os isotopes on the timing and origin of the Giles Complex, South Australia
B.F. Schaefer¹ B.P. Wade² and K. Barovich³
1. GEMOC, Macquarie,2. Adelaide Microscopy, The University of Adelaide, SA, Australia,3. School of Earth and Planetary Science, University of Adelaide, SA, Australia

The origins of large volume, compositionally- zoned volcanic eruptions – new constraints from U-series isotopes and numerical thermal modeling for the 1912 Katmai-Novarupta eruption
S. Turner¹, M. Sandiford², M.K. Reagan³, C.J. Hawkesworth⁴ and E.W. Hildreth⁵
1. GEMOC, Macquarie,2. School of Earth Sciences, University of Melbourne, Australia,3. Department of Geoscience, University of Iowa, IA, USA,
4. Department of Earth Sciences, University of Bristol, UK,5. United States Geological Survey, Menlo Park, CA, USA

Abstracts

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