GEMOC abstracts - 2003

 

 

GEOLOGICAL SOCIETY OF AMERICA 38TH NORTHEASTERN SECTION MEETING, HALIFAX, NOVA SCOTIA, CANADA, 27-29 MARCH 2003


5TH INTERNATIONAL SYMPOSIUM ON APPLIED ISOTOPE GEOCHEMISTRY, HERON ISLAND, QUEENSLAND, AUSTRALIA, 26-30 MAY 2003

ALICE WAIN MEMORIAL WEST NORWAY ECLOGITE FIELD SYMPOSIUM 2003, SELJE, WESTERN NORWAY, 21-28 JUNE 2003


8TH INTERNATIONAL KIMBERLITE CONFERENCE, VICTORIA CANADA, 22-27 JUNE 2003


MAGMAS TO MINERLISATION: THE ISHIARA SYMPOSIUM, MACQUARIE UNIVERSITY, NORTH RYDE, AUSTRALIA, 22 – 24 JULY 2003

THIRD STATE OF THE ARC CONFERENCE (SOTA III), MOUNT HOOD, OREGON, 16-21 AUGUST 2003

THE 5TH HUTTON SUMPOSIUM ON THE ORIGIN OF GRANITES AND RELATED ROCKS, TOYOHASHI, JAPAN, 2 – 6 SEPTEMBER 2003

13TH V. M. GOLDSCHMIDT CONFERENCE, KURASHIKI, JAPAN, 7-12 SEPTEMBER 2003


SGTSG FIELD MEETING KALBARRI 2003, KALBARRI, WESTERN AUSTRALIA, 22-26 SEPTEMBER 2003


AMERICAN GEOPHYSICAL UNION FALL MEETING, SAN FRANCISCO, USA, 8-12 DECEMBER 2003



GEOLOGICAL SOCIETY OF AMERICA 38TH NORTHEASTERN SECTION MEETING, HALIFAX, NOVA SCOTIA, CANADA, 27-29 MARCH 2003

Emplacement-related microstructures in the deformed carapace of a tonalite pluton: evidence for fast chamber construction.
S. E. Johnson1, R. H. Vernon2 and P. Upton1
1. Dept. of Geological Sciences, University of Maine, Orono, ME 04469-5790, USA 2. GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, NSW, 2109, Australia


Evidence for fast magma chamber construction: the deformed carapace of the San Jose tonalite pluton, Mexico
S. E. Johnson1, R. H. Vernon2 and P. Upton1
1. Dept. of Geological Sciences, University of Maine, Orono, ME 04469-5790, USA 2. GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, NSW, 2109, Australia

5TH INTERNATIONAL SYMPOSIUM ON APPLIED ISOTOPE GEOCHEMISTRY, HERON ISLAND, QUEENSLAND, AUSTRALIA, 26-30 MAY 2003

In-situ determination of high precision isotope ratios by Laser Ablation-Multicollector-Inductively Coupled Plasma Mass Spectrometer (LA-MC-ICP-MS): Application to Cu and Fe isotopes in ore minerals
S. E. Jackson1, S. Graham1 and D. Gunther2
1. GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, NSW, 2109, Australia 2. Laboratory for Inorganic Chemistry, ETH Honggerberg, Zurich, Switzerland

ALICE WAIN MEMORIAL WEST NORWAY ECLOGITE FIELD SYMPOSIUM 2003, SELJE, WESTERN NORWAY, 21-28 JUNE 2003

Origin of Western Gneiss Region garnet peridotites: refertilization of Archean lithosphere? Evidence from the Almklovdalen peridotite body.
E. E. Beyer, W. L. Griffin, S. Y. O’Reilly and N. J. Pearson
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, NSW, 2109, Australia

8TH INTERNATIONAL KIMBERLITE CONFERENCE, VICTORIA CANADA, 22-27 JUNE 2003

Taking the pulse of the Earth: lithosphere events tracked by in-situ geochronology
S. Y. O’Reilly and W. L. Griffin
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, NSW, 2109, Australia

Geochemistry and Ar-Ar dating of upper holocene volcanic rocks from Kerguelen islands (Indian Ocean)
R. Ethien1,2, G. Feraud3, M. C. Gerbe1, J.Y. Cottin1, S. Y. O’Reilly2 and A. Giret1
1. Dpt de Petrologie, Minerlogie et Geochimie, UMR-CNRS 6524 “Magmas et Volcans”, Universite Jean Monnet-Saint-Etienne, France 2. GEMOC, Macquarie 3. CNRS, UMR 6526 “Geosciences Azur”, Universite de Nice Sophia-Antipolis, France

Melt inclusions from the deep Slave lithosphere: Constraints on the origin and evolution of mantle-derived carbonatite and kimberlite
E. van Achterbergh1,2, W. L. Griffin1,2, S. Y. O’Reilly1, C. G. Ryan2, N. J. Pearson1, K. Kivi3 and B. J. Doyle4
1. GEMOC, Macquarie 2. CSIRO Exploration and Mining, North Ryde, Australia 3. Department of Geosciences, National Taiwan University, Taipei, Taiwan R. O. C. 4. Department of Geology, National Museum of Natural Science, Taichung, Taiwan R. O. C.

Natural trace element distribution between immiscible silicate and carbonate melts imaged by nuclear microprobe
E. van Achterbergh1,2, C. G. Ryan2, W. L. Griffin1,2 and S. Y. O’Reilly1
1. GEMOC Macquarie 2. CSIRO Exploration and Mining, North Ryde, Australia.

Geochemical characteristics of mantle xenoliths from Penghu Islands, Taiwan Straits, SE Asian Margin
K. Wang1, S. Y. O’Reilly1, W. L. Griffin1,2, S. Chung3 and W. Juang4
1. GEMOC Macquarie 2. CSIRO Exploration and Mining, North Ryde, Australia 3. Department of Geosciences, National Taiwan University, Taipei, Taiwan R. O. C. 4. Department of Geology, National Museum of Natural Science, Taichung, Taiwan R. O. C.

Magnesium isotopic composition of olivine from the lithospheric mantle
N. J. Pearson1, W. L. Griffin1,2, S. Y. O’Reilly1 and G. Delpech1
1. GEMOC Macquarie 2. CSIRO Exploration and Mining, North Ryde, Australia

Inclusions in diamonds from the K10 and K14 kimberlites, Buffaloa Hills, Canada: Diamond growth in a plume?
R. M. Davies1,2, W. L. Griffin2,3, S. Y. O’Reilly2 and T. E. McCandless4
1. American Museum of Natural History, New York, USA 2. GEMOC Macquarie 3. CSIRO Exploration and Mining, North Ryde, Australia 4. Ashton Mining of Canada, Canada

Geochemical characteristics of microdiamonds from kimberlites at Lac de Gras, Central Slave Craton
R. M. Davies1,2, W. L. Griffin2,3, S. Y. O’Reilly2and B. J. Doyle4
1. American Museum of Natural History, New York, USA 2. GEMOC Macquarie 3. CSIRO Exploration and Mining, North Ryde, Australia 4. Kennecott Canada Exploration Inc., Canada

Trace element analysis of diamond by LAM ICPMS: preliminary results
S. Rege1, R. M. Davies1,2, W. L. Griffin11,3, S. E. Jackson1 and S. Y. O’Reilly1
1. GEMOC Macquarie 2. Department of Earth and Planetary Sciences, American Museum of Natural History, New York, USA 3. CSIRO Exploration and Mining, North Ryde, Australia

The lithospheric mantle beneath the Buffalo Head Terrane, Alberta: xenoliths from the Buffalo Hills kimberlites
S. Aulbach1, W. L. Griffin1,2, S. Y. O’Reilly1 and T. E. McCandless3
1. GEMOC Macquarie 2. CSIRO Exploration and Mining, North Ryde, Australia 3. Ashton Mining Canada Inc., North Vancouver, Canada

Origins of eclogites beneath the Central Slave Craton
S. Aulbach1, W. L. Griffin1,2, N. J. Pearson1, S. Y. O’Reilly1, K. Kivi3 and B. J. Doyle4
1. GEMOC Macquarie 2. CSIRO Exploration and Mining, North Ryde, Australia 3. Kennecott Canada Exploration Inc., Thunder Bay, Canada 4. Kennecott Canada Exploration Inc., Vancouver, Canada

Mineralogical and geochemical characteristic of a unique mantle xenolith from the Udachnaya kimberlite pipe
S. Kuligin1, V. Malkovets1, N. Pokhilenko1, M. Vavilov1, W. L. Griffin2,3 and S. Y. O’Reilly3
1. Institute of Mineralogy and Petrography SB RAS, Russia 2. CSIRO Exploration and Mining, North Ryde, Australia 3. GEMOC Macquarie

Peridotites from the Grib kimberlite pipe, Arkhangelsk, Russia
V. G. Malkovets1,2,3, L. A. Taylor2, W. L. Griffin3, S. Y. O’Reilly3, N. J. Pearson3, N. P. Pokhilenko1, E. M. Verichev4, N. N. Golovin5 and K. D. Litasov6
1. Institute of Mineralogy and Petrography SB RAS, Novosibirsk, Russia 2. Planetary Geosciences Institute, University of Tennessee, Knoxville, TN 37996, USA 3. GEMOC Macquarie 4. Arkhangelskgeolrazvedka, Arkhangelsk, Russia 5. Arkhangelskgeoldobycha, Arkhangelsk, Russia 6. Dept. Mineral. Petrol. Econ. Tohoku University, Sendai, Japan

Geophysical analysis of the lithosphere beneath the Slave Craton
Y. H. Poudjom Djomani1, S. Y. O’Reilly1, W. L. Griffin1,2 and B. J. Doyle3
1. GEMOC Macquarie 2. CSIRO Exploration and Mining, North Ryde, Australia 3. Kennecott Canada Exploration Inc., Vancouver, Canada

Lithospheric mapping beneath the north American plate
W. L. Griffin1,2, S. Y. O’Reilly1, B. J. Doyle3, K. Kivi3 and H. G. Coopersmith4
1. GEMOC Macquarie 2. CSIRO Exploration and Mining, North Ryde, Australia 3. Kennecott Canada Exploration Inc., Vancouver, Canada 4. Great Western Diamond Co., Fort Collins, CO 80522, USA

Geochemical and isotopic evidence of a kimberlite-melnoite-carbonatite genetic link
S. Graham1,2, D. Lambert1,3 and S. Shee1,4
1. VIEPS, Monash University, Australia 2. GEMOC Macquarie 3. NSF, USA 4. De Beers Australia Exploration Limited, Australia

Late vendian aerial alkaline volcanism in winter coast kimberlite area (Arkhangelsk Diamondiferous Province)
V. S. Shchukin1, S. M. Sablukov2, L. I. Sablukov2, E. A. Belousova3 and W. L. Griffin3
1. JSC Arkhangelsk Diamonds, Russia 2. Central Research Institute of Geological Prospecting (TsNIGRI), Russia 3. ARC National Key Centre GEMOC, Australia

Diamond formation and mantle metasomatism: A trace element perspective
T. Stachel1, S. Aulbach2,3, G. P. Brey2, J. W. Harris4, I. Leost2, R. Tappert1,2 and K. S. (Fanus) Viljoen5
1. University of Alberta, Canada 2. Universitat Frankfurt, Germany 3. Gemoc, Macquarie University, Australia 4. University of Glasgow, UK 5. De Beers GeoScience Centre, South Africa

Pyropes and chromites of the Snap Lake/King Lake kimberlite dyke system in relation to the problem of the southern Slave Craton lithospheric mantle structure and composition
N. Pokhilenko1,2, W. L. Griffin3,4, N. Shimizu5, C. McLean1, V. Malkovets2,3, L. Pokhilenko2 and E. Malygina2
1. Diamondex Resources Ltd, Canada 2. Institute of Mineralogy and Petrology, Russia 3. GEMOC Key Centre, Macquarie University, Australia 4. CSIRO Exploration and Mining, Australia 5. Woods Hole Oceanographic Institution, USA

The Brockman creek kimberlite, East Pilbara, Australia
B. A. Wyatt1, M. Mitchell2, S. R. Shee2, W. L. Griffin3, N. Tomlinson4 and B. White5
1. De Beers Exploration Inc., Canada 2. De Beers Australia Exploration Limited, Australia 3. GEMOC, School of Earth Sciences, Macquarie University, Australia 4. GeoScience Centre, De Beers, South Africa 5. University of Melbourne, Australia

Diamond inclusions from Snap Lake, NWT Canada
P. Promprated1, L. Taylor1, C. Floss2, V. Malkovets1, M. Anand1, W. L. Griffin3, N. Pokhilenko4 and N. Sobolev5
1. Planetary Geosciences Institute, Dept. Geological Sciences, Univ. of Tennessee, Knoxville, TN37996 2. McDonnell Center of Space Science, Washington Univ., St. Louis, MO 63130 3. GEMOC National Key Centre, School of Earth Sciences, Macquarie University, NSW 2109, Australia 4. Inst. Of Mineralogy and Petrography, Russian Academy of Sciences, Novosibirsk 630090 Russia

Cartonic conditions beneath Arkhangelsk, Russia: Garnet peridotites from the Grib kimberlite
V. Malkovets1,2,3, L. Taylor2, W. L. Griffin3, S. Y. O’Reilly3, N. Pearson3, N. Pokhilenko1, E. Verichev4, N. Golovin5 and K. Litasov6
1. Institute of Mineralogy and Petrography SB RAS, Russia 2. Planetary Geoscience Institute, Univ. of Tennessee, USA 3. GEMOC National Key Centre, School of Earth Sciences, Macquarie University, Australia 4. Arkhangelskgeolrazvedka Ltd, Russia 5. Arkhangelskgeoldobycha Ltd, Russia 6. Institute of Mineralogy, Petrology and Economic Geology, Tohoku University, Japan

Eclogites from the Grib kimberlite pipe, Arkhangelsk, Russia
V. Malkovets1,2,3, L. Taylor2, W. L. Griffin3, S. Y. O’Reilly3, N. Pokhilenko1, E. Verichev4, N. Golovin5, K. Litasov6, J. Valley7 and M. Spicuzza7
1. Institute of Mineralogy and Petrography SB RAS, Russia 2. Planetary Geoscience Institute, Univ. of Tennessee, USA 3. GEMOC National Key Centre, School of Earth Sciences, Macquarie University, Australia 4. Arkhangelskgeolrazvedka Ltd, Russia 5. Arkhangelskgeoldobycha Ltd, Russia 6. Institute of Mineralogy, Petrology and Economic Geology, Tohoku University, Japan 7. University of Wisconcin, Madison, USA

MAGMAS TO MINERLISATION: THE ISHIARA SYMPOSIUM, MACQUARIE UNIVERSITY, NORTH RYDE, AUSTRALIA, 22 – 24 JULY 2003

Metallogeny of granite rocks
P. Blevin
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia

Paleozoic granite metallogenesis of eastern Australia
P. Blevin
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia

Granites of the southern New England orogen
C. J. Bryant1, B. W. Chappel2 and P. Blevin2
1. Dept. of Geology, Australian National University, Canberra, Australia 2. GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia

From Tuttle and Bowen onwards
B. W. Chappell
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia

Causes of variation in granite suites
B. W. Chappell
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia

High and low-temperature granites
B. W. Chappell
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia

Towards a unified model of granite petrogenesis
B. W. Chappell
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia

Granites of the Lachlan Ford Belt
B. W. Chappell
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia

Mesozoic granites and associated mineralization in South Korea
Y.-J. Jwa
GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia

Gravity and granites
M. A. Lackie1, B. T. Bailey1,2 and M. A. Edmiston1,3
1. GEMOC ARC National Key Centre, Department of Earth and Planetary Sciences, Macquarie University, Sydney, Australia 2. Gmomic Exploration Services, Townsville, QLD 3. Coffey Geosciences, North Ryde, NSW


THIRD STATE OF THE ARC CONFERENCE (SOTA III), MOUNT HOOD, OREGON, 16-21 AUGUST 2003

Experimentally-determined trace element characteristics of aqueous fluid from partially dehydrated mafic oceanic crust at 3.0 GPa, 650-700°C
T. H. Green and J. Adam
GEMOC Macquarie


THE 5TH HUTTON SUMPOSIUM ON THE ORIGIN OF GRANITES AND RELATED ROCKS, TOYOHASHI, JAPAN, 2 – 6 SEPTEMBER 2003

Silica-Oversaturated volcano-plutonic association in the Rallier du Baty Peninsula, Kerguelen Island: time and space relations and magma genesis
R. Ethien1, M. C. Gerbe1, J.-Y. Cottin1, G. Feraud2, S. Y. O’Reilly3 and B. Moine1
1. Universite Jean Monnet & UMR CNRS “Magmas et Volcans”, Saint Etienne, France 2. Universite de Nice-Sophia Antipolis, UMR 6526 Geosciences Azur, Nice, France 3. GEMOC Macquarie

A reconnaissance Hf/Hf investigation of the New England batholith Eastern Australia
R. H. Flood and S. E. Shaw GEMOC Macquarie

Preservation of zircon U-Pb ages through high-grade metamorphism and magma genesis
I. S. Williams1, B. W. Chappell2, D. W. Maidment1 and I. S. Buick3
1. Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia 2. GEMOC Macquarie 3. Department of Earth Sciences, La Trobe University, Bundoora, VIC 3083, Australia

Towards a unified model for granite genesis
B. W. Chappell
GEMOC Macquarie

Lithium isotopes and granite petrogenesis
C. Bryant1, B. W. Chappell2, V. Bennett1 and M. McCulloch1
1. Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia 2. GEMOC Macquarie


13TH V. M. GOLDSCHMIDT CONFERENCE, KURASHIKI, JAPAN, 7-12 SEPTEMBER 2003

Proterozoic mantle lithosphere beneath the extended margin of the South China block: In situ Re-Os evidence
K.-L. Wang1, S. Y. O’Reilly1, W. L. Griffin1,2, S.-L. Chung3 and N. J. Pearson1
1. GEMOC Macquarie 2. CSIRO Exploration & Mining, North Ryde, NSW 2113, Australia 3. Department of Geosciences, National Taiwan University, Taipei 106, Taiwan, R. O. C.

LA-ICP-MS: a mature technology?
S. E. Jackson GEMOC Macquarie

New data on mantle metasomatism beneath the Deves, France
S. Touron1,2, S. Y. O’Reilly1, C. Renac2, C. Chazot3 and J. Y. Cottin2
1. GEMOC ARC National Key Centre, Macquarie University, North Ryde, NSW, Australia 2. UMR6524, UJM, F-42023 St-Etienne, France 3. UMR6524, CNRS, 63038 Clermont-Ferrand, France

Re-Os isotopes in sulfides of mantle peridotites from SE China: age constraints and evolution of lithospheric mantle
X. Xu1,2, W. L. Griffin2, S. Y. O’Reilly2 and N. J. Pearson2
1. State Key Laboratory for Mineral Deposits Research, Department of Earth Sciences, Nanjing University, Nanjing 210093, China 2. GEMOC Macquarie

Trace element partitioning between natural clinopyroxene, garnet and plagioclase under liquid condition
J. Yu1 and S. Y. O’Reilly2
1. Dept. Earth Sciences, Nanjing University, Nanjing, 210093, P. R. China 2. ARC National Key Centre for GEMOC, Department of Earth & Planetary Sciences, Macquarie University, NSW 2109, Australia

Paleozoic upper mantle of the southern frame of the Siberian platform: Structure and composition
V. G. Malkovets1, A. A. Gibsher1, Y. D. Litasov2, S. Y. O’Reilly3 and W. L. Griffin3
1. Institute of Mineralogy and Petrography, SB RAS, 630090, Novosibirsk, Russia 2. Institute of Geology, SB RAS, 630090, Novosibirsk, Russia 3. ARC National Key Centre for GEMOC, Department of Earth & Planetary Sciences, Macquarie University, NSW 2109, Australia


SGTSG FIELD MEETING KALBARRI 2003, KALBARRI, WESTERN AUSTRALIA, 22-26 SEPTEMBER 2003

Extension along the Australian-Pacific transpressional transform plate boundary near Macquarie Island
N. Daczko1,2, K. L. Wertz1,2, S. Mosher1, M. F. Coffin2,3 and T. Meckel1,2
1. Department of Geological Sciences, University of Texas at Austin 2. Institute for Geophysics, University of Texas at Austin 3. Ocean Research Institute, University of Tokyo & Institute for Frontier Research on Earth Evolution, Japan Marine Science & Technology Centre


AMERICAN GEOPHYSICAL UNION FALL MEETING, SAN FRANCISCO, USA, 8-12 DECEMBER 2003

Calculating Upper Mantle Heat Flow Values Using Xenolith P-T Data and Temperature-Dependent Thermal Conductivity Estimates
P. Morgan1 and S. Y. O’Reilly2
1. Northern Arizona University, Dept. Geology, Box 1099 Flagstaff, AZ 86004, United States 2. ARC National Key Centre, GEMOC, Dept, Earth & Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia

Constraints on the Mechanism and timing of sediment recycling beneath the Tonga-Kermadec arc from Be isotopes
R. George1, S. Turner1, J. Morris2, C. Hawkesworth1 and J. Ryan3
1. GEMOC, Dept, Earth & Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia 2. Department of Earth & Planetary Sciences, Washington University, Saint Louis, MO 63130-4899, USA 3. Department of Geology, University of South Florida, Tampa, FL 33620-5201, USA

Extreme Pb-Ra Disequilibria observed in arc Lavas: Implications for the time scales of magma degassing
S. Turner
GEMOC, Dept, Earth & Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia

Constraints on melting processes beneath subduction zones from U-Pa disequilibria
M. Regelous1, S. P. Turner2, C. J. Hawkesworth2, T. Elliot1 and K. Rostami2
1. Dept. of Earth Sciences, University of Bristol, Bristol BS8 1RJ, UK 2. GEMOC, Dept, Earth & Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia

U-series isotopes and the time scales of magmatic processes
C. J. Hawkesworth1, D. W. Peate2, S. P. Turner3 and R. M. George3
1. University of Bristol, Wills Memorial Building, Queens Rd, Bristol BS8 1RJ, UK 2. Danish Lithosphere Centre, Oester Voldgade 10, Copenhagen, DK-1350, Denmark 3. GEMOC, Dept, Earth & Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia

Navajo garnetites and rock-wall interaction in the mantle
D. Smith1 and W. L. Griffin2
1. University of Texas at Austin, 1 University Station, Austin 2. GEMOC, Dept, Earth & Planetary Sciences, Macquarie University, Sydney, NSW 2109, Australia

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Abstracts