GEMOC - Department of EPS - Faculty of Science

Progress in the analysis of geological materials using laser ablation microprobe-inductively coupled plasma-mass spectrometry (LAM-ICP-MS)
H.P. Longerich1, S.E. Jackson2, I. Horn3 and T.E. Jeffries4
1. Memorial University of Newfoundland, 2. GEMOC Macquarie, 3. Harvard University, 4. The National History Museum, London

7TH INTERNATIONAL KIMBERLITE CONFERENCE, CAPE TOWN, 13-17 APRIL, 1998

Trace element composition and cathodoluminescence properties of kimberlitic zircons
E. Belousova1, W.L. Griffin1,2 and S.Y. OíReilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Kimberlites, accelerated erosion and evolution of the lithospheric mantle beneath the Kaapvaal craton during the mid-Cretaceous
R.W. Brown1, K. Gallagher2, W.L. Griffin3, C.G. Ryan4, M.C.J. de Wit4, D.X. Belton1 and R. Harmon2
1. Vict. Institute Earth & Planetary Sci., La Trobe, 2. Dept of Geology, Imperial College, London, 3. GEMOC Macquarie and CSIRO EM, 4. De Beers Consolidated Mines, South Africa abstract

Diamonds from Zarnitsa and Dalnaya kimberlites (Yakutia): their nature, growth history, and lithospheric mantle source
G.P. Bulanova1, W.L. Griffin2,3, F.V. Kaminsky,1 R. Davies2, C.G. Ryan3, A. Andrew4, Z.V. Spetsius,5 and O.D. Zahkarchenko1
1. TsNIGRI, Moscow, Russia, 2. GEMOC Macquarie, 3. CSIRO EM, 4. CSIRO Petr. Expl. 5. Yakutniproalmaz, Yakutia abstract

Characteristics of alluvial diamonds from Bingara and Wellington, eastern Australia
R.M. Davies1, S.Y. OíReilly1 and W.L. Griffin1,2
1. GEMOC Macquarie, 2. CSIRO EM abstract

Diamonds from the deep: Pipe DO-27, Slave Craton, Canada
R.M. Davies1, W.L. Griffin1,2, N.J. Pearson1, A. Andrew3, B.J. Doyle4 and S.Y. OíReilly1
1. GEMOC Macquarie, 2. CSIRO EM, 3.CSIRO Petr. Expl., 4. Kennecott Canada Inc. abstract

Dynamic growth structures in diamonds from Bingara, NSW, Australia
R.M. Davies1, S.Y. OíReilly1 and W.L. Griffin1,2
1. GEMOC Macquarie, 2. CSIRO EM abstract

Lithosphere Mapping in eastern Australia
O. Gaul1, S.Y. OíReilly1 and W.L. Griffin1,2
1. GEMOC Macquarie, 2. CSIRO EM abstract

Lithosphere structure and mantle terranes: Slave craton, Canada
W.L. Griffin1,2, B.J. Doyle3, C.G. Ryan2,1, N.J. Pearson1, S.Y. OíReilly1, L. Natapov1, K. Kivi4, U. Kretschmar5 and J. Ward6
1. GEMOC Macquarie, 2. CSIRO EM, 3. Kennecott Canada Inc., B.C., 4. Kennecott Canada Inc., Ontario, 5. Kretschmar Geoscience, Ontario, 6. Ashton Mining, Canada Inc. abstract

Geodynamic controls on the distribution of diamondiferous kimberlites
L. Natapov1 and W.L. Griffin1,2
1. GEMOC Macquarie, 2. CSIRO EM abstract

Diamonds from Myanmar and Thailand: characteristics and possible origins
W.L. Griffin1,2, T.T. Win2, R.M. Davies1, P. Wathanakul3, A. Andrew4 and I. Metcalfe5
1. GEMOC Macquarie, 2. CSIRO EM, 3. Faculty of Sci., Kasetsart Uni., Bangkok, 4. CSIRO Petr. Expl., 5. Div. Earth Sci., UNE abstract

Garnet peridotite xenoliths in alkali basalts from Siberia and Mongolia: a comparison of lithospheric mantle compositions in cratonic and younger terrains
D.A. Ionov1, W.L. Griffin1,2 and S.Y. OíReilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

A P-T-composition cross-section of spinel and garnet facies lithospheric mantle in the Minusa region SW of the Siberian Craton
V.G. Malkovets1, D.A. Ionov2, W.L. Griffin2,3, S.Y. OíReilly2, N.P. Pokhilenko1 and K.D. Litasov1
1. Instit. Mineralogy & Petrography, Russian Acad. Sci., 2. GEMOC Macquarie, 3. CSIRO EM abstract

The age and origin of eastern Australian diamonds: Re-Os isotope evidence from sulfide inclusions in two diamonds from Wellington, New South Wales
D.G. Pearson1, , R. M. Davies2, S.B. Shirey3, R.W. Carlson3 and W.L. Griffin1,2
1. Dept of Geological Sciences, Durham University, 2. GEMOC Macquarie, 3. Dept of Terrestrial Magnetism, Carnegie Institution of Washington abstract

Are lithospheres forever?
S.Y. OíReilly1, W.L. Griffin1,2 and Y.H. Poudjom Djomani1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Xenoliths from kimberlite pipes of the Lac de Gras area, Slave craton, Canada
N.J. Pearson1, W.L. Griffin1,2, B.J. Doyle3, S.Y. OíReilly1, E. van Achterbergh1 and K. Kivi4
1. GEMOC Macquarie, 2. CSIRO EM, 3. Kennecott Canada Inc., B.C., 4. Kennecott Canada Inc., Ontario abstract

Trace element discrimination of garnets from diamondiferous kimberlites and lamproites
N.J. Pearson1, W.L. Griffin1,2, F.V. Kaminsky3, E. van Achterbergh1 and S.Y. OíReilly1
1. GEMOC Macquarie, 2. CSIRO EM, 3. KM Diamond Expl. Ltd., B.C., Canada abstract

Trace element composition of garnet kelyphites in xenoliths from Udachnaya as evidence of their origin
Z.V. Spetsius1 and W.L.Griffin2,3
1. Inst. Diamond Industry, Yakutia, 2. GEMOC Macquarie, 3. CSIRO EM abstract

Xenoliths from the Letlhakane kimberlite: geochemistry and implications for mantle processes
E. van Achterbergh1, W.L. Griffin1,2 and J. Stiefenhofer3
1. GEMOC Macquarie, 2. CSIRO EM, 3. AARL, South Africa abstract

Trace elements in chromites from kimberlites and related rocks: relation to temperature and mantle composition
S. Yao1, W.L. Griffin1,2 and S.Y. OíReilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Natural trace element distribution coefficients for garnet, clino- and orthopyroxene: variations with temperature and pressure
E. van Achterbergh1, W.L. Griffin1,2, S.R. Shee3, B.A. Wyatt3 and A.L. Sharma1
1. GEMOC Macquarie, 2. CSIRO EM, 3. Stockdale Prospecting Ltd. abstract

Garnets in a polymict xenolith from the Bultfontein Mine, South Africa: new preliminary geochemical and textural data
B.A. Wyatt1, l. Morfi2, B. Harte2, N.J. Pearson3 and W.L.Griffin3,4
1. Stockdale Prospecting Ltd, 2. Grant Inst, Edinburgh, UK,3. GEMOC Macquarie, 4. CSIRO EM abstract

Conditions of diamond formation beneath the Sino-Korean craton: paragenesis, temperatures and the isotopic composition of carbon
A. Zhang1,2, W.L. Griffin2,3, C.G. Ryan3 and A. Andrew4
1. Flat 1707, Blg 8 Maolinju, Muxidi 100038, China, 2. GEMOC Macquarie, 3. CSIRO EM, 4. CSIRO Petr. Res. abstract

Phanerozoic evolution of the subcontinental lithospheric mantle, eastern North China Block: mantle xenolith evidence
J. Zheng, GEMOC Macquarie and China Uni. of Geosci. abstract

AUSTRALIAN GEODYNAMICS
CO-OPERATIVE RESEARCH CENTRE (AGCRC) SYMPOSIUM ON MINERAL SYSTEMS AND THE CRUST - UPPER MANTLE OF SE AUSTRALIA,
20-22 APRIL, 1998

Igneous metallogeny of SE Australia
P.L. Blevin, GEMOC ANU abstract

Are lithospheres forever? Some applications of 4-D lithosphere mapping
S.Y. OíReilly1, W.L. Griffin1,2, N.J. Pearson1, O. Gaul1 and Y.H. Poudjom Djomani1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Basement of the Lachlan Fold Belt: the evidence from S-Type granites
B.W. Chappell, GEMOC ANU abstract

ACTIVE TECTONIC CONTINENTAL BASINS, GHENT,
BELGIUM, 30 APRIL - 2 MAY, 1998

Petrologic and geochemical data on mantle xenoliths in basalts from southern Siberia and Mongolia and their relevance to geodynamic models
D.A. Ionov1, W.L. Griffin1,2 and S.Y. OíReilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

JAPANESE SOCIETY OF RESOURCE GEOLOGY, TOKYO,
JUNE 1998

Granite types and their fractionation
B.W. Chappell, GEMOC ANU abstract

14TH AUSTRALIAN GEOLOGICAL CONVENTION, TOWNSVILLE,
6-10 JULY, 1998

Are lithospheres forever?
S.Y. OíReilly1, W.L. Griffin1,2 and Y.H. Poudjom Djomani1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Chemical tomography: imaging compositional variation within the lithospheric mantle
W.L. Griffin1,2, C.G. Ryan2 and S.Y. OíReilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Lithosphere mapping in the southern New England Region: preliminary results
W.J. Powell, GEMOC Macquarie abstract

Cathodoluminescence and geochemical properties of kimberlitic and lamproitic zircons: application to diamond exploration
E.A. Belousova1, W.L. Griffin1,2 and S.Y. OíReilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Trace elements in chromites from kimberlites and related rocks: relation to temperature and mantle composition
S. Yao1, W. L. Griffin1,2 and S.Y. OíReilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Petrogenesis of late Cenozoic basalts in North Queensland and geodynamic implications
M. Zhang1, J. Stephenson2, S.Y. OíReilly1, M.T. McCulloch3, M.D. Norman1
1. GEMOC, Macquarie, 2. Dept of Earth Sciences, JCU, Townsville, 3. RSES, ANU abstract

The lithosphere beneath the Lac De Gras area, Slave craton, Canada: a xenolith study
N.J. Pearson1, W.L. Griffin1,2, B.J. Doyle3, S.Y. OíReilly1, E. van Achterbergh1 and K. Kivi4
1. GEMOC Macquarie, 2. CSIRO EM, 3. Kennecott Canada Exploration Inc., BC Canada, 4. Kennecott Canada Exploration Inc., Ontario, Canada abstract

Coexisting andesitic and carbonate melts in a lherzolite xenolith from Mt. Shadwell, Victoria
M.D. Norman and N.J. Pearson, GEMOC Macquarie abstract

Trace element discriminants for mantle processes - an experimental approach
T.H. Green, J. Adam and G.T. Nichols, GEMOC Macquarie abstract

Laser ablation microprobe ICP-MS of noble metals in immiscible sulfides
N.J. Evans1,2, B.I.A. McInnes1,2 and S.E. Jackson2
1. CSIRO, EM, 2. GEMOC Macquarie abstract

The laser ablation microprobe (LAM)?ICP-MS: applications to ore systems and mineral exploration
S.E. Jackson1, N.J. Pearson1 and W.L. Griffin1,2
1. GEMOC Macquarie, 2. CSIRO EM abstract

In situ dating of monazites by laser-ablation-ICP-MS: 207Pb-206Pb ages
A. Möller1, N.J. Pearson2 , B.J. Hensen1 and S.E. Jackson2
1. Dept. of Applied Geology, University of NSW, 2. GEMOC Macquarie abstract

Trace element characteristics of mantle xenoliths from the Kerguelen Archipelago (Indian Ocean)
M. Grégoire and S.Y. OíReilly, GEMOC Macquarie abstract

Characteristics of the mantle source region of the Ladolam gold deposit, Lihir Island, Papua New Guinea
B.I. A. McInnes1, N.J. Evans1, M. Grégoire2, C.G. Ryan1, S.Y. OíReilly2 and J. McCarron1
1. CSIRO EM, 2. GEMOC Macquarie abstract

Crustal ages determined by SHRIMP dating of zircon from granulite xenoliths, New England Orogen, Central Coastal Queensland
C.M. Allen1 and I.S. Williams2
1. GEMOC ANU, 2. RSES ANU abstract

Characteristics and possible origins of diamonds from Wellington and Bingara NSW
R.M. Davies1, S.Y. OíReilly1 and W.L. Griffin1, 2
1. GEMOC Macquarie 2. CSIRO EM abstract

Southern Australia and Siberia: a comparison of two lithospheric transects
O.F. Gaul1, W.L. Griffin1,2 and S.Y. OíReilly1
1 GEMOC Macquarie, 2. CSIRO EM abstract

Contrasting characteristics of Proterozoic and Phanerozoic mantle types: preliminary results
E. E. Beyer, GEMOC Macquarie abstract

Potential applications of LAM-ICPMS technology in economic geology: a preliminary study of molybdenite and pyrite
P.L. Blevin1 and S.E. Jackson2
1. GEMOC ANU, 2. GEMOC Macquarie abstract

A re-evaluation of mineralised Ordovician intrusives in the Lachlan Fold Belt: implications for tectonic and metallogenic models
P.L. Blevin, GEMOC ANU abstract

Preliminary results of lithosphere mapping of the eastern part of the Siberian Platform
Y.H. Poudjom Djomani1 , W.L. Griffin1,2, L. Natapov1, S.Y. OíReilly1 and Y. Erinchek3
1. GEMOC Macquarie 2. CSIRO EM, 3. VSEGEI, St Petersburg, Russia abstract

I-type granite of the Lachlan Fold Belt and their source rocks
B.W. Chappell, GEMOC ANU abstract

Sulfur-content in Australian sub-continental lithosphere: preliminary results
O. Alard1, J. Lorand2, W.J. Powell1, S.Y. OíReilly1 and W.L. Griffin1
1. GEMOC Macquarie, 2. Museum National díHistoire Naturelle de Paris, Paris, France abstract

Compositional variation in the S-Type granites of the Lachlan Fold Belt and its causes
B.W. Chappell1 and A.J.R. White2
1. GEMOC ANU, 2. Victorian
Institute of Earth and Planetary Sciences (VIEPS), School of Earth Sciences, University of Melbourne. abstract

AGU WESTERN PACIFIC GEOPHYSICS MEETING,
TAIPEI, 21-24 JULY, 1998

Tertiary lithosphere replacement beneath the eastern Sino-Korean Craton: density considerations
S.Y. OíReilly1, W.L. Griffin1,2 and Y.H. Poudjom Djomani1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Lithospheric mantle types in eastern China
W.L. Griffin1,2, S.Y. OíReilly1 and X. Xu1,3
1. GEMOC Macquarie, 2. CSIRO EM, 3. Earth Sciences, Univ. of Nanjing, China abstract

Petrogenesis of basalts from Changbai Mts, NE China, and its geodynamic implications
M. Zhang1, S.Y. OíReilly1 and M. Thirlwall2
1. GEMOC Macquarie, 2. Geology, Royal Holloway University of London, UK abstract

IGCP PROJECT 420 FIRST WORKSHOP, XINJIANG,
CHINA, 27 JULY - 3 AUGUST, 1998

Lithosphere mapping and crust-mantle connections
S.Y. O'Reilly1, W.L. Griffin1, 2 and Y.H. Poudjom Djomani1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Mantle evolution in the East Central Asia Orogenic Belt: heat sources for granite generation
W.L. Griffin1,2, S.Y. O'Reilly1, D.A. Ionov1, Y.H. Poudjom Djomani1 and V.G. Malkovets3,1
1. GEMOC Macquarie, 2. CSIRO EM, 3. Inst. of Mineralogy and Petrography, Russian Academy of Sciences, Novosibirsk, Russia abstract

Nature of the lithospheric mantle beneath the eastern part of the Xing'an - Mongolia Foldbelt: evidence from both potassic volcanic rocks and mantle xenoliths
M. Zhang1., S.Y. O'Reilly1, W.L. Griffin1,2
1. GEMOC Macquarie, 2. CSIRO EM abstract

RACI ANALYTICAL CHEMISTRY GROUP MEETING, "ICP-MS - NOW AND IN THE FUTURE", SYDNEY, NSW, SEPTEMBER 1998

Shedding Light on the Laser Ablation Microprobe (LAM)-ICP-MS: A Powerful New Trace Element and Isotopic Microprobe
S.E. Jackson, GEMOC Macquarie

THE EIGHTH ANNUAL V.M. GOLDSCHMIDT CONFERENCE, TOULOUSE, 30 AUGUST - 3 SEPTEMBER, 1998

Evolution of the lithospheric mantle beneath the Kerguelen Archipelago: formation of heterogeneities in a plume environment
N. Mattielli1, D. Weis1, J. Scoates1 , D. Hassler2, N. Shimizu2, M. Grégoire3, J.Y. Cottin4 and A. Giret4
1. Dépt. Sciences de la Terre et de l'Environnement, Univ. Libre de Bruxelles, Brussels, Belgium, 2. Woods Hole Oceanographic Institution, Massachussets, USA, 3. GEMOC Macquarie, 4. Univ. Jean Monnet, St. Etienne, France abstract

Are lithospheres forever?
S.Y. O'Reilly1, W,L. Griffin1,2 and Y.H. Poudjom Djomani1
1. GEMOC Macquarie, 2. CSIRO EM abstract

The composition of sub-continental lithospheric mantle: garnet-based estimates
W.L. Griffin1,2 , S.Y. O'Reilly1 and C.G. Ryan2
1. GEMOC Macquarie, 2. CSIRO EM abstract

Mantle xenoliths from the Lihir Volcano Group (Papua New Guinea): evidence of a refractory mantle metasomatised by subduction-derived fluids
M. Grégoire1, B.I.A. McInnes2 and S.Y. O'Reilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Phlogopite- and amphibole-bearing ultramafic xenoliths from Kerguelen Archipelago (Indian Ocean): evidence of variable trace element signature of melt fraction percolating oceanic lithospheric mantle
B. Moine1, M. Gregoire2, J.Y. Cottin1 and S.Y. O'Reilly2
1. Dept Geol. Petr. Geoch., St Etienne, France, 2. GEMOC Macquarie abstract

Uranium enrichment in the lithospheric mantle: case studies from French Massif Central
O. Alard1, J.L. Bodinier2, X. Lenoir2 and J.M. Dautria2
1. GEMOC Macquarie, 2. Géofluides-Bassins-Eau, Université de Montpellier II, France abstract

Compositional variations in a fertile mantle domain: peridotite xenoliths from the Tariat region, Mongolia
D.A. Ionov, GEMOC Macquarie abstract

Further insights on S content and behaviour in the lithospheric mantle
O. Alard1, A. Luguet2, J.P. Lorand2, W.J. Powell1, S.Y. O'Reilly1 and W.L. Griffin1,3,
1. GEMOC Macquarie, 2. Museum National d'Histoire Naturelle de Paris, France, 3. CSIRO EM abstract

Evidence for interaction of Proterozoic (2 Ga) sub-continental mantle with an enriched mantle plume from Re-Os isotope systematics in French Massif Central peridotite xenoliths
D.D. Lambert1, O.F. Alard2, S. Costa1, L.R. Frick1 and J.L. Bodinier3
1. Victorian Institute of Earth and Planetary Sciences, Monash University, 2. GEMOC Macquarie, 3. Géofluides - Bassin - Eau" , ISTEEM, Université de Montpellier II, France abstract

Se contents and S/Se ratios of spinel peridotite xenoliths from the Massif Central (France)
J. Lorand1, A. Luguet1, R.R. Keays2 and O.F. Alard3
1. Laboratoire de Minéralogie, Paris, France, 2. Monash University , 3. GEMOC Macquarie abstract

Lithospheric evolution in circum-cratonic settings: A Re-Os isotope study of peridotite xenoliths from the Vitim region, Siberia
D.J. Pearson1, D.A. Ionov2, R.W. Carlson3 and S.B. Shirey3,
1. Dept of Geological Sciences, Durham University, U.K, 2. GEMOC Macquarie, 3. Dept of Terrestrial Magnetism, Carnegie Institute of Washington, U.S.A. abstract

WORKSHOP ON PROGRESS IN KERGUELEN ISLANDS GEOLOGY, SAINT-ETIENNE, FRANCE, 7 ? 8 SEPTEMBER 1998

Kerguelen mafic and ultramafic xenoliths: petrology and elemental geochemistry
M. Gregoire, GEMOC Macquarie University abstract

The GEMOC facility for integrated microanalysis
W.L. Griffin1,2, N.J. Pearson1, C.G. Ryan2 and S.Y. O'Reilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

Trace elements and D/H in phlogopite- and amphibole-bearing ultramafic xenoliths from Kerguelen Archipelago (TAAF). Nature of the melt fraction percolating oceanic lithospheric mantle. A laser ablation-ICP-MS study
B.N. Moine1,2, M. Gregoire2, S.Y. O'Reilly2, S.M.F. Sheppard3 and J-Y Cottin1
1. Département de Géologie-Pétrologie-Géochimie, Université Jean Monnet, 2. GEMOC Macquarie, 3. E.N.S. Lyon, Laboratoire des Sciences de la Terre abstract

Some applications of 4-D Lithosphere Mapping
S.Y. O'Reilly1, W.L. Griffin1,2, O. Gaul1 and Y. Poudjom Djomani1
1. GEMOC Macquarie, 2. CSIRO EM abstract

CONFERENCE ON HIGH-P GRANITES, PERSLAK, CZECH REPUBLIC, SEPTEMBER 1998

Contribution of feldspars to the whole-rock phosphorus budget of I- and S-type granites: a quantitative estimation
L.K. Sha1 and B.W. Chappell2
1. Department of Geology, ANU, 2. GEMOC ANU abstract

Development of P-rich granites by sequential restite fractionation and fractionational crystallisation: the Koetong Suite in the Lachlan Fold Belt
B.W. Chappell1 and A.J.R. White2
1. GEMOC ANU, 2. Victoria Institute of Earth and Planetary Sciences (VIEPS), School of Earth Sciences, University of Melbourne abstract

Compositional changes during fractionation of felsic granites from western Tasmania, Australia
D. Wyborn and B.W. Chappell, GEMOC ANU abstract

INTERNATIONAL CONFERENCE ON NUCLEAR MICROPROBE TECHNOLOGY AND APPLICATIONS, CAPE TOWN, OCTOBER, 1998

The CSIRO/GEMOC nuclear microprobe: A high-performance system based on a new highly integrated design
C.G. Ryan1,3, D.N. Jamieson2, W.L. Griffin3,1, S.H. Sie1, G. Cripps1 and G.F. Suter1,
1. CSIRO EM, 2. School of Physics, University of Melbourne, 3. GEMOC Macquarie. abstract

ORIGIN OF THE EARTH AND MOON, SAN FRANCISCO, 1 - 3 DECEMBER 1998

Evidence for a LREE-depleted source for some ferroan anorthosites
L.E.Borg1, M.D.Norman2, L.E. Nyquist1, D. Bogard1, G. Snyder3, L. Taylor3, and C.-Y. Shih4
1. SN2/NASA Johnson Space Center, Houston, 2. GEMOC Macquarie, 3. Dept. Of Geol. Univ. Tenn. Knoxville, 4. Code C23, Lockheed Martin, 2400 NASA Road 1, Houston TX 77258. abstract

Volatile and siderophile element depletion by impact processing of chondritic planetesimals
M.D. Norman, GEMOC Macquarie abstract

AMERICAN GEOPHYSICAL UNION, SAN FRANCISCO, 5 - 8 DECEMBER 1998

Correlated platinum group element and REE abundances with isotopic compositions in Hawaiian picrites: constraints on source characteristics
V.C. Bennett1, M.D. Norman2 and M.O. Garcia3
1. Research School of Earth Sciences, ANU, 2. GEMOC Macquarie, 3. Dept. of Geology and Geophysics, Univ. of Hawaii abstract

Coexisting andesitic and carbonate melts in a lherzolite xenolith from eastern Australia
M.D. Norman and N.J. Pearson, GEMOC Macquarie abstract

Constraints on upper mantle heat flow from xenolith thermobarometry and conductivity determinations
P. Morgan and S.Y. O'Reilly, GEMOC Macquarie abstract

The Agulhas Plateau, SW Indian Ocean: an oceanic plateau of continental affinity?
K. Gohl1, M.J. Seargent1, G. Uenzelmann-Neben2 and A. Ehrhardt2
1. GEMOC Macquarie, 2. Alfred Wegener Institute for Polar and Marine Research abstract

Palaeomagnetic investigation of Late Palaeozoic volcanic units from the northern New England Orogen, Queensland, Australia.
M.A. Lackie, GEMOC Macquarie abstract

THE BRUCE CHAPPELL SYMPOSIUM, CANBERRA, 23 & 24 NOVEMBER 1998

Plutonic rocks of the New England Orogen north of Rockhampton: are they Cordilleran style?
C.M. Allen1,2, D. Wyborn1 and B.W. Chappell1
1. GEMOC ANU, 2. Research School of Earth Sciences, ANU abstract

Trace elements in accessory zircon & apatite: application to petrogenesis & mineral exploration
E.A. Belousova1, W.L. Griffin1,2 and S.Y. O'Reilly1
1. GEMOC Macquarie, 2. CSIRO EM abstract

The metallogeny of granitic rocks
P.L. Blevin, GEMOC ANU abstract

The restite model: a revolution in petrogenesis?
B.W. Chappell, GEMOC ANU abstract

New angle on subduction zone magmas: laser ablation microanalysis at ANU
R.J. Arculus and S.M. Eggins, GEMOC ANU abstract

Plutonic suite recognition in the Bega and Moruya batholiths using a multivariate extension of entropy analysis of the chemical data base
R.H. Flood1,3, J. Forrest1 and B.W. Chappell2,3
1. School of Earth Sciences, Macquarie, 2. Dept of Geology, ANU, 3. GEMOC abstract

Australian Proterozoic granites ? characteristics, sources and possible mechanisms for derivation and emplacement
L.A.I. Wyborn1,2, I.V. Bastrakova2 and A.R. Budd2
1.GEMOC, 2. AGSO abstract

How the mantle makes granites
W.L. Griffin1,2, S.Y. O'Reilly1 and Y.H. Poudjom Djomani1
1. GEMOC Macquarie, 2. CSIRO EM abstract

The processes controlling the geochemistry of andesitic magmas in New Zealand volcanoes and their relevance to I-type granitic suites
R.C. Price1, I.E.M. Smith2, A. Reay3 and R.J. Arculus4
1. School of Science & Technology, University of Waikato, 2. Dept of Geology, University of Auckland, 3. Department of Geology, University of Otago, 4. GEMOC ANU abstract

Crustal evolution in southeastern Australia: a zircon viewpoint
I.S. Williams1 and B.W. Chappell2
1. Research School of Earth Sciences, ANU, 2. GEMOC ANU abstract

From molten granite to solid rock ? how does fractional crystallisation work?
D. Wyborn, GEMOC ANU abstract

VIEPS WORKSHOP ON LASER ABLATION ICP-MS,
MELBOURNE, 25 - 27 NOVEMBER 1998
GLITTER: on-line interactive data reduction for the LA-ICPMS microprobe
E. van Achterbergh1, C.G. Ryan2 and W.L. Griffin1,2
2.GEMOC Macquarie, 2. CSIRO EM abstract

Poster display: "GEMOC laser ablation multicollector ICPMS"
W.L. Griffin1,2, S.E. Jackson1, N.J. Pearson1, S.Y. O'Reilly1, A. Burrows3 and S. Shuttleworth4
1. GEMOC Macquarie, 2. CSIRO EM, 3. Nu Instruments, 4. Merchantek Co
LAM-ICP-MS - principles, problems and progress
S. Jackson, GEMOC Macquarie

5TH AUSTRALASIAN SYMPOSIUM ON APPLIED ICP-MS SPECTROMETRY, PERTH, 30 NOVEMBER - 3 DECEMBER 1998
GLITTER: on-line interactive data reduction for the LA-ICPMS microprobe
E. van Achterbergh1, C.G. Ryan2, W.L. Griffin1,2 and N.J. Pearson1
1. GEMOC Macquarie, 2. CSIRO EM abstract

GEMOC ARC National Key Centre

TITLES OF ABSTRACTS FOR CONFERENCE PRESENTATIONS 1998

Annual Report 1998