EROMANGA BASIN SYMPOSIUM JOINTLY SPONSORED BY THE GEOLOGICAL SOCIETY OF AUSTRALIA AND THE PETROLEUM EXPLORATION SOCIETY OF AUSTRALIA (S.A.

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1 EROMANGA BASIN SYMPOSIUM JOINTLY SPONSORED BY THE GEOLOGICAL SOCIETY OF AUSTRALIA AND THE PETROLEUM EXPLORATION SOCIETY OF AUSTRALIA (S.A. BRANCHES) ABSTRACT VOLUME EDITED BY P.S. MOORE & T.J. MOUNT GEOLOGICAL SOCIETY OF AUSTRALIA ABSTRACTS NO UB/TIB Hannover RR 1144(5)

2 iv CONTENTS KEYNOTE ADDRESSES SPRIGG, R.C The long lead-up to commerical oil discovery in the Mesozoic Eromanga Basin ARMSTRONG, J.D. & BARR, T.M. The Eromanga Basin STRATIGRAPHY AND STRUCTURE MOSS, F.J. The Central Eromanga Basin Project - a contribution to the regional study of the Eromanga and underlying basins MOORE, P.S. Mesozoic geology of the Simpson Desert region, northern South Australia 11 WILTSHIRE, M.J. Late Triassic and Early Jurassic sedimentation in the Great Artesian Basin 13 WILTSHIRE, M.J. Revision of Eromanga Basin limits 15 YOUNGS, B.C. & BOOTHBY, P.G. The Middle Permian - Middle Triassic rocks of the southwestern Cooper Basin 17 GRAVESTOCK, D.I. Jurassic to Lower Cretaceous stratigraphy of the Eromanga Basin - problems and progress in subsurface correlation 20

3 AMBROSE, G., SUTTILL, R. & LAVERING, I. A review of the Early Cretaceous Murta Member in the southern Eromanga Basin 22 FORBES, B.G. Margin of the Eromanga Basin South Australia: a review 25 MOORE, P.S. & PITT, G.M. Cretaceous of the southwestern Eromanga Basin: stratigraphy, facies variations and petroleum potential 27 KRIEG, G.W. Stratigraphy and tectonics of the Dalhousie Anticline, southwest Eromanga Basin 28 WAKE-DYSTER, K.D. The relationship between the Thomson Syncline and the underlying Barcoo Trough 30 PINCHIN, J. & ANFILOFF, V. The Canaway Fault and its effects on the Eromanga Basin 32 PALYNOLOGY McKELLAR, J.L. Late Triassic ('Rhaetian') and Jurassic palynostratigraphy of the Surat Basin 34 BURGER, D. Palynology of the Eromanga Basin and its applications 36

4 vi DETTMAN, M.E., FILATOFF, J. & PRICE, P.L. The Eromanga and Surat Basins: a palynostratigraphical perspective 39 GEOPHYSICS ANFILOFF, V. Gravity features in the Eromanga Basin 42 SPENCE, A.G. & FINLAYSON, D.M. Resistivity structure of the central Eromanga Basin and underlying sequences from magnetotelluric soundings 43 LOCK, J. Basement structure under the central Eromanga Basin from seismic refraction studies 45 RUMPH, B. Seismic data from the Eromanga Basin 47 OIL SHALES AND THE TOOLEBUC FORMATION SCHEIBNEROVA, V. Foraminifera of the marine Cretaceous of the Great Artesian Basin with special reference to the Toolebuc Formation 50 OZIMIC, S. Depositional environment of the Toolebuc Formation and its equivalents, Eromanga Basin, Australia 51 GLIKSON, M. Cynobacterial mats and other bacteria: major contributors to the formation of Lower Cretaceous Toolebuc oil shales 54

5 vii RILEY, K.W. & SAXBY, J.D. Organic matter and vanadium in the Toolebuc Formation of the Eromanga Basin 55 EKSTROM, A., LOEH, A. & DALE, L. The petroporphyrins in the oil shale from the Julia Creek deposit 58 SAXBY, J.R. Geochemistry of oil shale in the eastern Eromanga Basin 59 OZIMIC, S. The significance of gamma ray anomalies In the Cretaceous Toolebuc Formation facies and in their lateral equivalents, Eromanga and Carpentaria Basins 62 SOURCE ROCKS COOK, A.C. Organic facies in the Eromanga Basin 66 McKIRDY, D.M. Aspects of the source rock and petroleum geochemistry of the Eromanga Basin 67 MATURATION AND GENERATION PITT, G.M. Geothermal gradients in the Eromanga-Cooper Basin region 70 KANTSLER, A.J., COOK, A.C. & ZWIGULIS, M. Maturation patterns in the Eromanga Basin 72 PASSMORE, V.L. & BOREHAM, C.J. Subsidence and associated source rock maturation for the central Eromanga Basin 73

6 viii MIGRATION AND ENTRAPMENT HOLMES, J. Some aspects of the theory of hydrodynamic entrapment of oil and gas 76 HABERMEHL, M.A. Aspects of regional groundwater movement and hydrocarbon migration in the Eromanga Basin 79 MORIARTY, K.C. & WILLIAMS, A.F. Hydrocarbon flushing in the Eromanga Basin - fact or fallacy 81 SENIOR, B.R. Landsat interpreted structure and groundwater flow within the Eromanga Basin 82 HYDROCARBON FIELDS BOWERING, O.J.W. & HARRISON, D.M. The Merrimelia oil and gas field 88 PATON, I.M. The Birkhead Formation: a Jurassic petroleum reservoir 89 MOUNT, T.J. Geology of the Dullingari Murta oilfield 92 POSTER DISPLAYS AMBROSE, G.J. & FLINT, R.B. Mesozoic stratigraphy - southwestern margin of the Eromanga Basin 96

7 ix BUCKLEY, R.C. Environmental aspects of exploration in the Eromanga Basin arid zone 98 HUNTING GEOLOGY AND GEOPHYSICS (AUST.) PTY. LTD. Landsat interpreted structure and groundwater flow within the Eromanga and Surat Basins 100 LIST OF SPONSORS 101 AUTHOR INDEX 102 STRATIGRAPHIC INDEX 103