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Manganese nodules from the Tasman Sea off Sydney
Two manganese nodules were recently recovered by HMAS Kimbla from a water depth of 4300 m, in a northeast-trending trough about 250 nautical miles southeast of Sydney (155°... -
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Nannofossil and planktic foraminiferal biostratigraphy around the...
Nannofossil evidence suggests that the up-sequence appearance of Globigerinoides quadrilobatus primordius is depth-related, and first occurs at a lower stratigraphic level in... -
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The Transient Electromagnetic Method in Australia
Transient electromagnetic (TEM) test surveys have been made at various localities in Australia to evaluate the method. The test surveys described in this paper were made in the... -
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The crustal structure of the Gulf of Papua and northwest Coral Sea
Interpretation of seismic refraction data from the southwestern coast of the Papuan Peninsula and the northwest Coral Sea gives consistent results using several inversion... -
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Compilation and production of the 1976 1:5 000 000 Gravity Map of Australia
In 1976 a coloured 1:5 000 000 Gravity Map of Australia was published by BMR. At that stage the systematic reconnaissance gravity coverage of Australia, initiated by BMR in... -
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Analysis of continental structures using a Digital Terrain Model (DTM) of Australia
Colour images of the topography of Australia, generated and manipulated by computer techniques, have been used for analysis of regional geological structures. Discussion is... -
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Variation of crustal mass over the Australian region
Seismic refraction surveys in Australia and nearby marine areas provide data on crustal velocities and layer thicknesses. The averages of these at various places have been used... -
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Clavohamulus primitus - A key North American conodont found in the Georgina Basin
The enigmatic conodont Clavohamulus primitus Miller is described from the Tremadocian part of the Ninmaroo Formation, Georgina Basin. This key subzone species for North American... -
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Datasets for use with the Recharge-Discharge Estimator Suite spreadsheets
Determination of an accurate groundwater balance for a region requires estimation of recharge and discharge rates and, where possible, knowledge of their spatial distribution.... -
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Deep-water Quaternary Foraminifera from short cores taken between Australia...
Twenty short cores were recovered from the northern Scott Plateau (water depths ca 3200 m) and the southern slope of the Java Trench (water depths 4950-5790 m) by R.V. Valdivia... -
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A geophysical profile across Australia at 29°S
Long wave-length components of the gravity and magnetic fields, topography, and heat-flow data, are examined along a trans-continent profile close to 29°S. The profile crosses... -
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Regional plate tectonics and the evolution of Australia's passive continental margins
The divergent, passive continental margins around Australia have evolved through the progressive dissection of eastern Gondwanaland in five separate seafloor-spreading episodes.... -
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Determination of GDA94 coordinates for eight stations of Ultimate...
An application dated 30 May 2013 for verification of a reference standard of measurement under Regulation 12 of the National Measurement Regulations 1999 was received from... -
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Carboniferous and Permian palynostratigraphy in Australia and Antarctica: a review
Continued research In late Palaeozoic palynological biostratigraphy In Australia since about 1970 permits the delineation of a series of informally defined palynostratigraphic... -
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Geoscientific investigations from the Scott Plateau off northwest Australia...
In 1977 the R.V. Valdivia carried out a survey between Scott Plateau and the Java Trench, during which 1700 km of 24-channel seismic data, and 2550 km of bathymetric, gravity... -
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Siderophile and lithophile trace-element evolution of the Archaean mantle
Progressive depletion of several Archaean volcanic sequences in siderophile (Fe, Ti, Mn, V), lithophile (Zr, Sr, P, Y), and chalcophile (Zn, Cu) elements with higher... -
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A polygenetic manganese nodule from the Scott Plateau off northwest Australia
A large manganese nodule was dredged from 2100 m on the Scott Plateau by R.V. Valdivia in 1977. It is an irregular ellipsoid, with a maximum dimension of 28 cm, parallel to the... -
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Environmental and urban geology in Australia: workshop meeting of government...
Environmental and urban geology is an expanding field in which the government geological surveys are inevitably becoming more involved. Throughout the world, pressures for urban... -
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Early Australian gravity observations
Since the publication of Gravimetry in Australia 1819-1976 (Dooley and Barlow, 1976), our attention has been drawn to the paper by Day (1966) on early Australian geophysical...