1962
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Palynological examination of cores and cuttings from the subsidised A.O.G. Wentworth No.1 well, Murray Basin, New South Wales, indicates that the well passed from Tertiary into Lower Cretaceous marine sediments at either 1283-1335 feet or 140-1455 feet and into probable Lower Permian beds at 1615-1645 feet. The well was completed in conglomerates, probably also of Lower Permian age, at a total depth of 2081 feet. Examination of samples from the Oaklands-Coorabin coalfield, to obtain a guide to the age of the pre-Mesozoic section of Wentworth No.1, demonstrated that the coal measures are equivalent in age to the Upper Coal Measures of the Sydney Basin, that they overlie Lower Permian (?)marine beds which, by virtue of their common content of Leiosphaeridae, compare in age with the Wentworth Permian section.
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Legacy product - no abstract available
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These documents have been scanned by the GA Library. Please refer to the document for contents.
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Legacy product - no abstract available
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Legacy product - no abstract available
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Lower Cretaceous strata of the Roper River and the Urapunga 1:250,000 Sheets were examined during the 1960 and 1961 field seasons. Field observations on lithology and palaeogeography were summarised in previous Records (Skwarko,1961a,b), and these, together with the identification of the fossils collected and their dating has provided material for this Record. Fossils were collected at only three localities on the Roper River 1:250,000 Sheet area, the greater portion of which is at present covered by the sea, and it has been found convenient to discuss these two sheets under a common title.
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The writer visited Japan to attend the International Conference on Cosmic Rays and the Earth Storm at Kyoto in September 1961. Data from satellites, cosmic rays, geomagnetic and ionospheric recordings, whistlers, and airglow combine to give a broad picture of the solar-terrestrial relations involved in magnetic disturbances, but there are many features that still require explanation.
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Legacy product - no abstract available
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The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.
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Legacy product - no abstract available