Geological Society of Australia

ABSTRACTS

NUMBER 21

NINTH AUSTRALIAN

GEOLOGICAL CONVENTION

FEBRUARY 1-5,1988

UNIVERSITY OF QUEENSLAND, BRISBANE

UNIVERSITATSBIBLIOTHEK x

HANNOVER

TECHNtSCHEINFORM ATlONSBlBUOTHt'

UB/TIB Hannover101 319 010

89

RR 1144(21)

ISBN 0 909869 56 1

Published by the

Geological Society of Australia Incorporated

Challis House, 10 Martin Place, Sydney

1988 ISSN 0729-011X

KEYNOTE PAPERS

Professor Kenneth A. Eriksson, Virginia Polytechnic Institute and StateUniversity, Blacksburg, USA: 'Precambrian basin formation and evolution -comparison with possible Phanerozoic counterparts'.

Dr Dennis V. Kent, Lamont-Doherty Geological Observatory and Departmentof Geological Sciences of Columbia University, Palisades, USA: 'Pangea,Gondwana and paleomagnetic problems in Paleozoic fold belts'.

Professor Bruce E. Hobbs, Monash University, Clayton: 'Computer modellingin the minerals exploration industry1.

Professor Tom G. Vallance, The University of Sydney: Finding the way fromscratch - opportunity and realization in Australian geology over twocenturies'.

SCIENTIFIC PAPERS

SESSION 1: HISTORICAL PERSPECTIVES

1.1 DAVIES, H.L.Geologists in Papua New Guinea - Maitland, Stanley, Wade and others.

1.2 ROBERTSON, A.D.Copper mining, brickmaking and furnace building at Kariboe, Dawes Range,central Queensland.

1.3 ROBERSTON, A.D.History of sapphire mining in central Queensland.

1.4 JOYCE, E.B.Looking after scientific sites in Australia - a decade of work by the GeologicalSociety of Australia.

SESSION 2: DYNAMICS OF BASIN FORMATION

2.1 DAVIES, G.F.Mantle superswells - a distinct rift ing mechanism?

2.2 LISTER, G.S., ETHERIDGE, M.A. and SYMONDS, P.A.Modelling the effect of detachment faulting on the uplift-subsidence historiesof passive continental margins.

2.3 ETHERIDGE, M.A.Ramp basins - a new class of sedimentary basin in extensional settings.

2.4 WILLIAMSON, P.E., SWIFT, M.G. and O'BRIEN, G.W.Two-stage Lower Cretaceous rifting in the Otway Basin.

2.5 HEGARTY, K.A. and HOUSEMAN, G.A.A model for the Tertiary evolution of the lithospheric stress field of theGippsland Basin.

2.6 HAMMOND, R.L. and MALLETT, C.W.The Bowen Basin - an upper crustal extension model for its formation.

2.7 BONE, Y. and RUSSELL, N.Palaeotemperatures in basin analysis - direct correlation of vitrinitereflectivity with fluid inclusion microthermometry.

2.8 MIDDLETON, M.F.Subsidence trends in Western Australian sedimentary basins - implications forformation mechanisms.

2.9 HARRINGTON, H.J.Oroclinal basins.

2.10 PIGRAM, C.J. and SYMONDS, P.A.Development of the Moresby Trough region - passive margin to foreland basin.

2.11 LAMBECK, K.The Perth Basin - a possible framework for its formation and evolution.

2.12 LAMBECK, K.Seismic travel time anomalies in central Australia and implications for deepcrustal structure.

2.13 GOLEBY, B.R., WRIGHT, C , COLLINS, C D . and KENNETT, B.L.Central Australian crustal structure - results from seismic profiling andassociated geophysical studies.

2.14 KORSCH, R.J. and LINDSAY, J.F.Origin and evolution of the Amadeus Basin, central Australia.

2.15 SHAW, R.D. ETHERIDGE, M.A., ZEITLER, P., LAMBECK, K. andBLACK, L.P.Basement uplift as a constraint on basin formation in central Australia.

2.16 LINDSAY, J.F. and KORSCH, R.J.Timing the breakup of a Proterozoic supercontinent - evidence fromAustralian intracratonic basins.

2.17 DRUMMOND, B.J., WYBORN, L.A.I., WYBORN, D. and TARNEY, J.F.Temporal changes in continental growth patterns revealed by siesmic crustalstructure and granite geochemistry.

2.18 McNAUGHTON, N.J., PARTINGTON, G.A., SEET, L.H. and KEPERT, D.A.Craton margin tectonics and the origin of Sn-Ta pegmatites in the southwestYilgarn Block - the Pb isotope approach.

2.19 McNAUGHTON, N.J., GREEN, M.D., COMPSTON, W. and WILLIAMS, I.S.Are anorthositic rocks basement to the Pilbara Craton?

2.20 BOURKE, D.J., McCONACHIE, B.A., SENAPATI, N. and SLADE, J.C.A tectonic reconstruction for the basement rocks beneath the CarpentariaBasin.

2.21 GRIMSTONE, L.The Thomson Terrane revisited.

2.22 WILSON, C.J. and WATCHORN, R.B.Folding, thrusting and strike slip faulting in the southwest portion of theLachlan Fold Belt.

2.23 STUART-SMITH, P.G.Extensional tectonics and development of the Tumut Trough, New SouthWales.

2.24 LEVEN, J., STUART-SMITH, P.G., RICKARD, M. and CROOK, K.A deep seismic survey across the Tumut Trough, New South Wales.

2.25 WITHNALL, I.W. and LANG, S.C.Tectonic history of the Palaeozoic Broken River Province, north Queensland.

2.26 SCOTT, M.Stratigraphy of the Clarke River Basin, north Queensland.

2.27 WAKE-DYSTER, K.D., SEXTON, M.J., JOHNSTONE, D.W. andFINLAYSON, D.M.Seismic features of the Thomson Fold Belt under the western Surat Basin.

2.28 BROWNLOW, J.W.Thermal systems and thermal provinces in the Late Carboniferous to MiddleTriassic development of eastern Australia.

2.29 HARRINGTON, H.J.Ribbon tectonics and low dip strike slip faults.

2.30 WELLMAN, P. and KORSCH, R.J.Oroclinal bending of the New England Orogen - a refinement using magneticand gravity anomalies.

2.31 BROWNLOW, J.W.Tectonothermal regimes and the mid-Carboniferous to Middle Triassicevolution of northeastern New South Wales.

2.32 LENNOX, P.G., ROBERTS, J. and JEFFREY, S.The enigma of the Hastings Block, New England Orogen.

2.33 FINLAYSON, D.M., WAKE-DYSTER, K.D., JOHNSTONE, D.M. SEXTON, M.J.and MURRAY, C.G.Crustal structures across the New England Fold Belt under the eastern Suratand Clarence-Moreton Basins.

2.34 SEXTON, M.J., WAKE-DYSTER, K.D. and JOHNSTONE, D.W.Seismic reflection profiling on the Beenleigh Block, Queensland.

SESSION 3: PALAEOMAGNETISM AND TECTONICS IN AUSTRALASIA

3.1 McELHINNY, M.W.A review of the status of Australian palaeomagnetism.

3.2 McFADDEN, P.L.The origin of the geomagnetic field and its palaeomagnetic consequences.

3.3 BARTON,.C.E.Magnetostratigraphy on a timescale of 0-10 years - secular variation,geomagnetic excursions and reversals.

3.4 CLARK, D.A.Magnetic fabric - principles and applications to tectonics.

3.5 ETHERIDGE, M.A. and WYBORN, L.A.I.Tectonic constraints on palaeomagnetic models for the Early to MiddleProterozoic.

3.6 GIDDINGS, J.W. and IDNURM, M.A review of the Precambrian apparent polar wander path for Australia.

3.7 IDNURM, M.Accumulated apparent polar wander - a new phenomenon in palaeomagnetism.

3.8 EMBLETON, B.J.Low palaeolatitudes for late Precambrian periglacial deposits in SouthAustralia.

3.9 TANAKA, H. and IDNURM, M.Paleomagnetism of Precambrian mafic dykes and intrusives around Mount Isa.

3.10 POWELL, C.McA.Palaeozoic tectonics of eastern and central Australia - implications forpalaeomagnetic studies.

3.11 SCHMIDT, P.W.Current palaeomagnetic constraints on Tasman terrane analysis.

3.12 LACKIE, M.A.Magnetic fabric and palaeomagnetism of the Dundee Rhyodacite andcomagmatic granites of the Moonbi Suite, New England.

3.13 THRUPP, G.Preliminary paleomagnetic results from mid-Paleozoic rocks of the TasmanOrogen, Victoria.

3.14 L I , Z.X., SCHMIDT, P.W., POWELL, C.McA. and EMBLETON, B.J.Pre- and syn-deformational remanent magnetizations from mid-Palaeozoicsedimentary rocks of Australia, and their tectonic implications.

3.15 KLOOTWIJK, C. and GIDDINGS, J.An alternative APWP for the middle to late Palaeozoic of Australia -implications for terrane movements in the Tasman Fold Belt.

3.16 PIGRAM, C.J.Review of terrane tectonics in New Guinea and eastern Indonesia, in relationto palaeomagnetic problems.

3.17 DAVIES, H.L.The Finisterre collision.

3.18 HILL, K.C. and HEGARTY, K.A.Tectonic interactions between New Guinea and the Caroline Plate -implications for backarc spreading.

3.19 MUSGRAVE, R.J.Palaeomagnetism and tectonic history of the Solomon Islands arc.

3.20 THRUPP, G.A., SLITER, W.V., SILVER, E.A., PIGRAM, C.J., PRASETYO, H.and COE, R.S.Palaeomagnetism of the Late Cretaceous calcareous sediment- from theMisool Archipelago, Irian Jaya.

3.21 GIDDINGS, J.W., SUNATA, W. and PIGRAM, C.J.Palaeomagnetism of the Bird's Head, Irian Jaya.

3.22 KLOOTWIJK, C , GIDDINGS, J., PRIGRAM, C.J., LUXTON, C , DAVIES, H.,ROGERSON, R. and FALVEY, D.Palaeomagnetic constraints on the tectonic evolution of New Guinea - resultsfrom the Highlands and North Sepik Regions of Papua New Guinea.

SESSION 4: METALLOGENY AND TECTONIC EVOLUTION OF THE EARLY TOMIDDLE PROTEROZOIC

4.1 WYBORN, L.A., WARREN, R.G., PAGE, R.W. and ETHERIDGE, M.A.Metallogenic overview of the Proterozoic of Australia with special referenceto gold, platinum and rare earths.

4.2 PLUMB, K.A.Metallogeny and tectonics of the mid-Proterozoic of northern Australia, withparticular reference to the McArthur Basin.

4.3 PAGE, R.W. and HANCOCK, S.L.Geochronology of a rapid 1.85-1.86 Ga tectonic transition - Halls Creekorogen, northern Australia.

4.4 BEARDSMORE, T.J., NEWBERY, S.P. and LAING, W.P.The Maronan Supergroup - oldest of three similar volcanosedimentary r i f tsequences in the middle Proterozoic of northwest Queensland.

4.5 HANNAN, K.W., HERBERT, H.K., GOLDING, S.D. and KROUSE, H.R.An update on Mount Isa - geochemical evidence for epigenetic coppermineralisation.

4.6 LOOSVELD, R.J.H.Numerical simulation of high-T metamorphism and coeval crustal thickening,with reference to the Mount Isa Inlier.

4.7 STEWART, A.J. and WILLIAMS, P.R.Early extension in the Mount Isa Inlier, and a solution to the problem of theDeighton Quartzite outliers.

4.8 HARRIS, C.W., GIBSON, R.G., ERIKSSON, K.A. and SIMPSON, C.Basement-cover relationships in southwest Colorado - implications for Earlyto Middle Proterozoic crustal evolution of the southwest USA.

4.9 WILDE, A.R.The origin of mid-Proterozoic unconformity-related uranium-gold-P.G.E.mineralisation, Alligator Rivers, Northern Territory.

SESSION 5: GEOLOGICAL SUBDIVISION IN TIME AND SPACE -PRINCIPLES AND PROBLEMS

5.1 GATEHOUSE, C.G. and COOPER, B.J.Evolving a guide to Australian stratigraphy.

5.2 MURRAY-WALLACE, C.V. and KIMBER, R.W.Quaternary marine aminostratigraphy - Perth Basin, Western Australia.

5.3 MURRAY-WALLACE, C.V. and BELPERIO, A.P.Radiocarbon and amino acid racmisation time frameworks for late Pleistoceneand Holocene sedimentation, Gulf St Vincent, South Australia.

5.4 COOPER, B.J.Chronostratigraphic units and their application in Australian geology.

5.5 PLUMB, K.A.Subdivision of the Precambrian - proposals by the Subcommission onPrecambrian Stratigraphy and comparison with Phanerozoicchronostratigraphy.

5.6 HILL, R.I.Chronostratigraphy of greenstone sequences, Yilgarn Block.

5.7 PREISS, W.V.Principles and problems of lithostratigraphic correlation and synthesis in afolded Proterozoic basin - a case history of the Adelaide Geosyncline.

5.8 CARTER, R.M.Applicability of the Vail et al . "Global" Sea-level Curve to a southern oceanmargin - Great South Basin, southeast New Zealand.

SESSION 6: ECONOMIC GEOLOGY

6.1 ANDREW, A.S., HEINRICH, C.A., WILKINS, R.W. and PATTERSON, D.J.Sulphur sources for copper ores at Mount Isa, Australia.

6.2 BEARDSMORE, T.J.The Selwyn-style Cu-Au deposits in the Mount Isa Block - a late orogenic,granite and deformation-related style.

6.3 MYERS, I.A., GOLDING, S.D. and TAYLOR, R.G.Oxygen and hydrogen isotope studies of tin deposits associated with atourmaliniferous granite at Cooktown, north Queensland.

6.4 LAING, W.P., RUBENACH, M.J. and SWITZER, C.K.The Starra gold-copper deposit - syndeformational metamorphicmineralisation localised jn a folded early regional zone of decollement.

6.5 ODLING, N.W.C-O-S-H fluids - redox reactions as a mineralization mechanism in layeredmafic intrusions.

6.6 HEINRICH, C.A., ANDREW, A.S., WILKINS, R.W. and PATTERSON, D.J.A fluid inclusion and stable isotope study of synmetamorphic copper oreformation at Mount Isa.

6.7 HUTTON, L.J.Tectonic evolution of the basal Drummond Basin sequence and its relationshipto gold mineralisation.

6.8 ARNE, D.C., GREEN, P.F., DUDDY, I.R., GLEADOW, A.J., LOVERING, J.F.and LAMBERT, I.B.An apatite fission track study of Zn-Pb mineralisation on the Lennard Shelf,Western Australia.

6.9 MARSHALL, B.The interpretation of Durchbewegung structure, pierce ment cusps andpiercement veins.

6.10 LAING, W.P.A system of structural analysis in drillcore, and how to use it to find oredeposits.

6.11 SCOTT, K.M.Mineralogical mapping of alteration outcrop at Mount Leyshon, northeastQueensland, using X-ray diffractrometry.

6.12 ROCK, N.M.S.Which rocks really contain diamonds?

6.13 PREMOLI, C.Primary chromite deposits of New Caledonia.

6.14 LLORCA, S.Supergene cobalt mineralization, New Caledonia - geology and mineralogy.

6.15 OSTWALD, J.Recent mineralogical investigations on terrestrial and marine manganeseoxides of the Australian region.

6.16 PECOVER, S.R.Zeolite deposits in New South Wales - commercial prospectivity.

6.17 COLLINS, L.B. and HAMILTON, N.T.M.Development of heavy mineral placers in Holocene barrier systems, southwestAustralia.

SESSION 7: SEDIMENTOLOGY

7.1 AHMAD, R. and HOSTETLER, P.B.Recent advances in thevstudy of Holocene dolomitic carbonate sedimentationin the Coorong area of South Australia.

7.2 GREEN, P.M., DOMAGALA, J. and BULTITUDE, R.J.Chillagoe Formation - a record of a collapsed Silurian-Devonian carbonateshelf.

7.3 ARAKEL, A.V. and JACOBSON, G.Sediment-water interaction in the central Australian groundwater dischargezone - Lake Amadeus, Northern Territory.

7.4 ARAKEL, A.V., JACOBSON, G. and CHEN, Y.Palaeohydrologic and environmental significance of silicified calcrete ininland drainage basins of the Australian arid zone.

7.5 DE DECKKER, P. and LAST, W.M.Modern non-marine dolomite in evaporitic playas of western Victoria,Australia.

7.6 STEPHENSON, A.E. and BROWN, C M .The palaeogeography of the Murray Basin, southeastern Australia.

7.7 LANG, S.C., JELL, J.S., TALENT, J., MAWSON, R. and WITHNALL, I.W.Early to Middle Devonian carbonate-terrigenous sedimentation in the BrokenRiver Group, Graveyard Creek Subprovince, north Queensland.

7.8 GORTER, J.D.Late Cambrian shoaling cycles in the Amadeus Basin.

7.9 JOHNSTON, D.A simple thick shoaling-upward cycle in the northern Georgina Basin,Australia.

7.10 LANG, S.C.Late Devonian-Early Carboniferous sedimentation in the Bundock Creek Groupof the Broken River Province, north Queensland.

7.11 GAGAN, M.K., JOHNSON, D.P. and CHIVAS, A.R.The Cyclone Winifred storm bed, central Great Barrier Reef shelf, Australia.

7.12 DYE, J.E.The Late Pleistocene/Holocene palaeogeography and stratigraphy of the MaoriReef area, central Great Barrier Reef province, Australia.

7.13 JONES, B.G., NANSON, G.C., YOUNG, R.W., SENAPATI, N. andBOURKE, D.J.Channel avulsion and sand geometry in the Gilbert River fandelta, northernQueensland.

7.14 HILL, C M .Catchment sedimentation as an active geomorphic process.

7.15 HILL, C M .Application of sedimentological techniques to catchment hydrogeologicalstudies - a case study.

7.16 HAYWICK, D.W.Pliocene cyclothemic inner shelf sedimentation patterns and lithofaciesassemblages, eastern North Island, New Zealand.

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7.17 BELPERIO, A.P. and GOSTIN, V.A.The sedimentary framework and nature of Late Pleistocene and Holocenesediments, Gulf St Vincent, South Australia.

7.18 SIMPSON, CSubaqueous and subaerial volcanic facies in the Early Devonian TangerangFormation, southeastern New South Wales.

7.19 FIELDING, C.R. and LANG, S.CA facies analysis of the Staircase Sandstone Member (Early Permian) in theSpringsure area, southwestern Bowen Basin.

7.20 SENAPATI, N. and BOURKE, D.J.Environments of deposition in the northeastern Carpentaria Basin.

7.21 LEACH, J.H.Sediment source for the Martian north polar dunefield.

7.22 FRAKES, L.A. and FRANCIS, J.E.Australian Cretaceous ice.

7.23 JONES, B.G., CARR, P.F. and MIDDLETON, R.G.Glendonites - occurrence and significance.

SESSION 8: METAMORPHISM AND MAGMATISM IN CRUSTAL EVOLUTION

8.1 SIVELL, W.Eastern Arunta orthogneiss suites - implications for a repeated transition fromr i f t to subduction-related magmatism during successive Proterozoic ensialicorogenies.

8.2 WARREN, R.G., WYBORN, L.A. and McCULLOCH, M.T.Geochemical studies in the Arunta Block, central Australia.

8.3 McNAUGHTON, N.J. and ROSMAN, K.J.Tin isotope fractionation in cassiterite as a petrogenetic indicator?

8.4 WYBORN, L.A., WYBORN, D., CHAPPELL, B.W., SHERATON, J.,TARNEY, J.F., COLLINS, W.J. and DRUMMOND, B.J.Geological evolution of granite compositions with time in the Australiancontinent - implications for tectonic and mantle processes.

8.5 COLLINS, W.J., FLOOD, R.H. and VERNON, R.H.Granite generation in the Strangways Metamorphic Complex, Arunta Block,central Australia - implications for the origin of high temperature, lowpressure granulite facies terranes.

8.6 FODEN, J., BUICK, I.S. and MORTIMER, G.E.Granitic gneisses from the Entia Dome, eastern Arunta Block - implicationsfor magmatism in an intracrustal mobile zone.

8.7 FERMIO, S.J. and FODEN, J.Petrogenesis of the Delajnarian Reedy Creek Granodiorite, South Australia.

8.8 STEPHENSON, P.J. and CHAPPELL, B.W.The geology and petrology of the Palm Islands, north Queensland.

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8.9 STEPHENSON, P.J., CHAPPELL, B.W. and FROST, M.T.Aspects of the geology and petrology of arfvedsonite granites, HinchinbrookIsland, north Queensland.

8.10 WILLIAMS, I.S., CHEN, Y.D., CHAPPELL, B.W. and COMPSTON, W.Dating the sources of Bega Batholith granites by ion microprobe.

8.11 WORMALD, R.J.The peralkaline granites near Temora, southern New South Wales -petrological, geochemical and tectonic implications.

8.12 McLENNAN, T.P.T.The boundary between the Broken River Province and the Lolworth-Ravenswood block, north Queensland - a major crustal suture, the ClarkeRiver Fault Zone.

8.13 LAW, S.R.The Bulgonunna Volcanics - a Carboniferous ignimbritic cauldron complex incentral Queensland.

8.14 MACKENZIE, D.E.Petrological and structural evolution of the Per mo-Carboniferous FeatherbedVolcanics, northeastern Queensland, and their relationship to mineralisation.

8.15 McPHIE, J.Proximal and distal facies associations of subaerial silicic caldera volcanoes.

8.16 OVERSBY, B.Late Palaeozoic magmatism in northeastern Queensland - incipient rift ing at apassive margin of Gondwanaland?

8.17 McLENNAN, T.P.T.Igneous intrusions and their relationship to the regional structural fabric ofthe central northern Bowen Basin.

8.18 PATTISON, C.I., HAMILTON, L.H., HAMMOND, R.L. and MALLETT, CW.The intrusive history of the northern Bowen Basin - tectonic implications.

8.19 YOUNG, D.N.Petrology of intrusive charnockites, Mawson Coast, Antarctica.

8.20 CROOK, K.A.W., TAYLOR, B., EXON, N.F. and JOHNSON, R.W.Structure and tectonics of the Woodlark triple junction - arc volcanoes on anincoming oceanic plate.

8.21 FODEN, J., VARNE, R., STOLZ, A.J. and JENNER, G.A.Sangeang Api - alkali arc magmatism ultramafic and mafic xenoliths, arcgrowth by underplating.

8.22 RUXTON, B.P.Magma evolution on the eastern Managalase Plateau, Papua New Guinea.

8.23 WARREN, R.G. and DAVIES, H.L.Eclogite-bearing, domed,, layered metamorphic complexes ("core complexes")in the D'Entrecasteaux Islands, Papua New Guinea.

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8.24 TAYLOR, W.R., STOLZ, A.J. and ADAM, J.D.Mineralogy and geochemistry of melilite nephelinite and ijolite from ShannonTier, central Tasmania.

8.25 TAYLOR, W.R.Melting behaviour of peridotite in the presence of reduced C-O-H fluids -implications for redox melting of the mantle.

8.26 ODLING, N.W.Synthetic high temperature, high pressure fluid inclusions - a new technique.

8.27 McNAUGHTON, N.J., FROST, K.M. and GROVES, D.I.Ground melting by komatiites at Kambalda, Western Australia - evidence fromU-Th-Pb systematics.

8.28 ADAM, J.D.Dry, HoO-saturated and COo-bearing liquidus phase relationships in the CMASsystem at 28 kb, and their bearing on the origin of alkali basalts.

8.29 CHEN, Y.D. and PRICE, R.CEquilibration between mafic inclusions and host granites.

8.30 WARREN, R.G. and HENSEN, B.J.Distribution of metamorphic facies in the Arunta Block, central Australia.

8.31 OLIVER, R.L., PURVIS, A.J. and TAYLOR, M.J.Extra high grade(?) metamorphism in the northwest Gawler Craton, SouthAustralia.

8.32 KATZ, M.B.Willyama shear fault mobile belt, Broken Hil l , New South Wales.

8.33 GIBSON, G.M.Metamorphism in the western province of New Zealand - a review.

8.34 CHENHALL, B.E., CARR, P.F. and JONES, B.G.Contact metamorphism adjacent to the eastern margin of the ArthursleighTonalite, Brayton district, New South Wales.

8.35 RUBENACH, M.J. and MORRISON, G.W.Petrogenesis of skarns from the Chillagoe area of northeast Queensland.

8.36 OFFLER, R., HAND, M. and BALE, R.bQ and i l l i te crybasins and accretNew South Wales.

b and il l i te crystallinity studies of K-white micas in rocks from forearcbasins and accretionary complex sequences, southern New England Fold Belt,

SESSION 9: GEOLOGICAL HAZARDS AND EARTHQUAKE RISK

9.1 DENHAM, D.Seismicity of the Australian Plate and its Pacific Plate margin.

9.2 GAULL, B.A., ADAMSON,, D.A. and PICKARD, J.Calving icebergs and seismic activity from an outlet glacier, Mawson Station,Antarctica.

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9.3 MICHAEL-LEIBA, M.O.Macroseismic effects, locations and magnitudes of some early Tasmanianearthquakes.

9.4 JONES, L.E., MICHAEL-LEIBA, M.O. and KINGSTON, D.The Bream Creek earthquake swarms of 1986-1987.

9.5 CHOPRA, P. and DRUMMOND, B.J.A laboratory study of compressional and shear wave velocities in a suite ofrocks from southwest Western Australia.

9.6 GREENHALGH, S.A., DENHAM, D. and RYNN, J.M.Magnitude-intensity relations for Australian earthquakes.

9.7 RYNN, J.M.Studies of earthquake risk - a multidisciplinary approach.

9.8 WILLIAMS, D.J.Earthquake induced liquefaction potential in Queensland.

9.9 BOYCE, W.H.Earthquake codes.

9.10 BICKFORD, J.L.CThe role of the State Emergency Service in the community.

9.11 FEATHERSTONE, CEarthquakes and insurance.

9.12 JUST, G.D.Damage risk from blasting vibrations.

9.13 LYNAM, C , RYNN, J.M. and BARLOW, B.Tsunamis along the Australian coastline.

9.14 MORRIS, P.H.Application of statistics in geotechnical engineering - an example fromearthquake data.

SESSION 10: ENGINEERING GEOLOGY AND HYDROGEOLOGY

10.1 BURTON, N. and LAWSON, T.Engineering geology of the Burdekin Falls Dam, north Queensland.

10.2 HERCZEG, A.L., TORGERSEN, T., HABERMEHL, M.A. and CHIVAS, A.R.Geochemical evolution of groundwaters from the Great Artesian Basin,Australia.

10.3 JONES, R.M.Urban geology of the Balmain Peninsula and recent geotechnical problems.

10.4 RUXTON, B.P.Colluvium and slope stability in Hong Kong.

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SESSION 11: GEOLOGICAL SOURCE DATA HANDLING

11.1 GERDES, L. and SMITH, K.Towards a standard for geoscience reference databases.

11.2 SHELLEY, E.P.Integration of geoscience databases in the Bureau of Mineral Resources.

11.3 LANG, S.C, WITHNALL, I.W., GRIMES, K.G. and MURPHY, P.R.REGMAP - a regional mapping field data management system.

11.4 AGOSTINI, A. and GILLIGAN, L.B.MRLIS - a geo-relational database used by the New South Wales Departmentof Mineral Resources.

11.5 LUCEY, C.J.Queensland Land Information System.

11.6 ELLIOTT, B.G.Databases and database development in the Mineral Commodities Branch,Bureau of Mineral Resources.

SESSION 12: PLANETARY GEOLOGY AND GLOBAL EVENTS

12.1 LEACH, J.H.Tectonic ramifications of asteroid impacts.

12.2 HEIDECKER, E.J.Mineral landscaping towards 'blooming' events - Devonian extinction recordwith modern management implications.

12.3 YOUNG, G.CFrasnian-Famennian extinction event - the evidence from Devonianvertebrates.

12.4 NICOLL, R.S. and PLAYFORD, P.E.Upper Devonian iridium anomalies and the Frasnian-Famennian boundary inthe Canning Basin, Western Australia.

12.5 DICKINS, J.M.Australian Permian correlation and sea level changes.

12.6 JAMES, P.M.On polar mobility and extinctions.

12.7 SHAFIK, S.Cretaceous sea level movements.

12.8 WATERHOUSE, J.B. and FLOOD, P.The Permian-Triassic contact in the Himalayas of Nepal, and its relevance toepisodic life catastrophe.

SESSION 13: COAL GEOLOGY

13.1 BAMBERRY, W.J., JONES, B.G. and HUTTON, A . CInterdistributary bay deposits in the Illawarra Coal Measures, southern SydneyBasin.

13.2 MALLETT, C.W. and GODFREY, N.H.H.The depositional setting of the German Creek and Moranbah Coal Measures,Bowen Basin.

13.3 SAPPAL, K.K.Maceral and mineral matter associations of Collie coal, Collie Basin, WesternAustralia.

13.4 FALKNER, A.Sedimentology of the Brassall Subgroup - a comparison of sandstone andmudstone-dominated coal measure sequences.

13.5 BOGACZ, W. and KIVIOR, I.Specific tectonic character of the Telford Basin and implications for mineplanning, Leigh Creek Coalfield, South Australia.

13.6 FIELDING, C.R.Sedimentary environments of the Middle Jurassic Walloon Coal Measures inthe Rosewood-Walloon Coalfield, southeast Queensland.

13.7 STRUCKMEYER, H. and FELTON, E.A.Organic and sedimentary facies of the Early Cretaceous Otway Group, OtwayBasin, southern Australia.

13.8 FRANKEL, E.Eastern Australian freshwater coastal swamps.

13.9 HUTTON, A.C.Aspects of the geology of Queensland Tertiary oil shales.

13.10 HAMMOND, R. and MALLETT, CObservations on the behaviour of coal measures during deformation.

SESSION 14: PALAEONTOLOGY

14.1 AHMAD, R.Rare earth elements in biogenic apatite - record of secular variations inbottom seawater redox during the Phanerozoic.

14.2 CHIVAS, A.R., DE DECKKER, P. and SHELLEY, J.M.G.Trace elements and stable isotopes of ostracod shells - tools forpalaeosalinity, palaeotemperature and palaeoproductivity.

14.3 AHMAD, R., DALE, L.S. and FARDY, J.J.Cerium anomaly in siliceous microfossils - record of modern and ancientbottom seawater redox.

14.4 ARCHBOLD, N.W.Permian brachiopod faunas of the Perth Basin, Western Australia - a study ofprogressive isolation.

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14.5 RIGBY, J.F.The Permian flora of the Nychum Volcanics, north Queensland.

14.6 CANN, J.H.Quaternary foraminifera and late Pleistocene and Holocene sea levels, GulfSt Vincent, South Australia.

14.7 HENDERSON, R.A.Albian-Cenomanian biogeography of Australasian ammonites - a mid-Cretaceous first fleet and its palaeoceanographic interpretation.

14.8 TURNER, S.Palaeozoic fish help to date Australian rocks.

SESSION 15: EVOLUTION OF THE TASMAN SEA

15.1 LISTER, G.S., ETHERIDGE, M.A. and SYMONDS, P.A.Extensional history of the margins of the Tasman Sea.

15.2 WILLCOX, J.B. and SYMONDS, P.A.Structural development of the western Lord Howe Rise.

15.3 SYMONDS, P.A., WILLCOX, J.B. and KUDRASS, H.R.Dampier Ridge in the Tasman Sea - a continental fragment.

15.4 ROOTS, W.D.The marine evidence for subduction of Tasman sea floor beneath Australia anda pre-Tasman continental reconstruction which includes the lost area.

15.5 COLWELL, J.B., COFFIN, M.F., PRITCHARD, T. and SPENCER, R.Structure of southern New South Wales and northeast Gippsland Basin margins- results of Rig Seismic research cruise 13.

15.6 JENKINS, C.J.Regional sediment facies and the history of bottom-water circulations in theTasman Sea.

15.7 McDOUGALL, I. and DUNCAN, R.A.Age progressive volcanism in the Tasmantid Seamount chain, a hotspot trace.

15.8 QUILTY, P.G.Biostratigraphy of sea mounts in the Tasman Sea.

15.9 EGGINS, S.M.Petrology and geochemistry of Tasmantid Seamounts.

15.10 MIDDLEMOST, E.A.Petrological features of lavas from the Derwent-Hunter Tablemount.

15.11 McCULLOCH, M.T.Nd-Sr isotope geochemistry of the Tasmantid Seamounts - evolution of ahotspot trace.

15.12 JENKINS, C.J.SeaBeam and reflection-seismic imaging of the flanks and volcanic aprons ofTasmantid Seamounts.

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15.13 COLEMAN, R., JENKINS, C.J., PACKHAM, G.H. and LAMBECK, K.Lithosphere loading and seamount subsidence history - satellite and seismicreflection data.

SESSION 16: GEOLOGICAL REMOTE SENSING

16.1 HARRIS, P.T.Tidal sedimentary processes in Torres Strait - application of LANDSAT, airphotograph and sidescan sonar images as complementary remote sensingtechniques.

16.2 FRASER, S.J., HUNTINGTON, J.F. and GREEN, A.A.Iron oxides - their surficial distribution and remote sensing.

16.3 LEACH, J.H.Satellite observations of the major structural elements of the Bowen Basin.

16.4 HEGARTY, R.A., LAING, W.P. and CATT, P.Digital integration of geology with geophysical and satellite-sensed data setsin the Atherton 1:250 000 Sheet area.

SESSION 17: EAST AUSTRALIAN CAINOZOIC VOLCANISM

17.1 JOHNSON, R.W. and TAYLOR, S.R.The International Lithosphere Project.

17.2 DUNCAN, R.A. and McDOUGALL, I.Time-space relationships for Cenozoic intraplate volcanism in easternAustralia.

17.3 WELLMAN, P.Intrusions beneath large intraplate volcanoes.

17.4 O'REILLY, S.Y. and GRIFFIN, W.L.Highlights of a mantle perspective on Phanerozoic eastern Australia.

17.5 EWART, A., CHAPPELL, B.W. and MENZIES, M.Petrogenesis of the eastern Australian Cainozoic volcanic provinces.

17.6 SHEN-SU, S.Chemical and isotope systematics of intraplate basalts - implications formagma genesis of Cenozoic basalts in eastern Australia and New Zealand.

17.7 SMITH, I.E., WEAVER, S.D. and GAMBLE, J.A.Intraplate basaltic volcanism in New Zealand.

17.8 PRICE, R.C, GRAY, C M . and FREY, F.A.Geochemistry of plains basalts of the Western Districts volcanics province ofVictoria.

17.9 STEPHENSON, P.J.The eastern Australian Qainozoic volcanic zone, northern Queensland.

17.10 DUGGAN, M.B., KNUTSON, J. and CHAPPELL, B.W.Petrology of the Warrumbungle Volcano, New South Wales.

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17.11 SUTHERLAND, F.L., ROBERTSON, A.D. and HOLLIS, J.D.The Rockhampton Province - a Cretaceous central volcano migration?

17.12 ROBERTSON, A.D.Cainozoic volcanism along the northwestern margin of the Maryborough Basin.

17.13 SUTHERLAND, F.L., HOLLIS, J.D. and ROBERTSON, A.D.The Boyne Basalts, southern Queensland - their relevance to the lithosphericstate.

17.14 BROWN, M.C, CLARKE, I., McQUEEN, K.G. and TAYLOR, G.Early Tertiary volcanism in the southern Monaro region, New South Wales.

17.15 PECOVER, S.R.Cainozoic maar volcanism and the origin of sapphire and possibly diamond ineastern Australia.

SESSION 18: GEOSCIENCE EDUCATION - CONSENSUS OR CONFLICT

18.1 ROSE, J.M.The Australasian Institute of Mining and Metallurgy accreditation proposals.

18.2 EVANS, P.R.The Australian Institute of Geoscience perspective.

18.3 TAYLOR, R.G.Training a geologist.

18.4 SVENSON, D.A recipe for graduating an economic geologist.

18.5 ROCK, N.M.S.Geological numeracy and computeracy in Australia - where do we go fromhere?

18.6 CARTER, R.M.The restructuring of geoscience in Australian tertiary institutions.

SESSION 19: TOWARDS AN AUSTRALIAN BIOSTRATIGRAPHIC TIME SCALE

19.1 JENKINS, R.J., HAINES, P.W. and GOSTIN, V.A.The Ediacaran revisited.

19.2 SHERGOLD, J.H.Australian Cambrian biochronology.

19.3 WEBBY, B.D., COOPER, R.A., VANDENBERG, A.H., NICOLL, R.S.,STEWART, I., SHERGOLD, J.H., BURRETT, C.F., STAIT, B. andCOOPER, B.J.Towards an Ordovician biostratigraphy of Australia - a progress report.

19.4 STRUSZ, D.L. and YOUNG, G.C.Time scales for the Silurian and Devonian in Australia.

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19.5 JELL, J.S.Devonian series and stage boundaries in Australia.

19.6 JONES, P.J.Carboniferous biostratigraphic chart for Australia - interim notes.

19.7 DICKINS, J.M. and ARCHBOLD, N.W.A standard geological scale for the Permian system in Australia.

19.8 ARCHBOLD, N.W.The Permian of Australia - the 1988 position.

19.9 DAY, R.W.The Cretaceous System in Australia.

19.10 TRUSWELL, E.M.A Cainozoic time scale for Australia.

SESSION 20: OCEAN DRILLING PROGRAM PREVIEW

20.1 COL WELL, J.B., COFFIN, M.F., DAVIES, H.L. and STAGG, H.M.First ever drilling on the Kerguelen Plateau and in Prydz Bay.

20.2 EXON, N.F., VON RAD, U., WILLIAMSON, P.E. and BOYD, R.Ocean drilling on the Exmouth Plateau and Argo Abyssal Plain in mid-1988.

20.3 DAVIES, P.J., SYMONDS, P.A., FEARY, D.A. and PIGRAM, C.J.The evolution of the carbonate platforms in northeast Australia - the goal ofthe Ocean Drilling Program.

SCIENTIFIC POSTERSBARTH, W.H.

Compositional variation of zoned tourmalines associated with Sn-Wmineralisation.

BARTON, C E .Magnetostratigraphy of sediments from the Lord Howe Rise.

CARTY, S.J., COLEMAN, R., HUBBLE, T .C , JENKINS, C.J., KEENE, J.B.,PRITCHARD, T.R. and SCHNEIDER, P.M.

Geophysical, SeaBeam and seafloor camera investigations of TasmantidSeamounts.

GAULL, B.A.Studies of ground motion attenuation in Western Australia.

GAULL, B.A., MICHAEL-LEIBA, M.O. and RYNN, J.M.Probabilistic earthquake risk maps of Australia.

HEIDECKER, E.J.Chlorofluorocarbon generation - geological models based on Devonianenvironments during planetary change.

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