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Author: P. J. Jones
Publisher: Oxford University Press, USA
ISBN:
Category : Medical
Languages : en
Pages : 42
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Book Description
Both Wallchart and Explanatory Notes are a compilation of the history and current status of the major subdivisions of the Phanerozoic Eon; they are derived from the detailed charts presented in the larger reference volume, An Australian Phanerozoic Timescale (eds. Young and Laurie, OUP, 1996).The Wallchart displays a linear timescale for the Phanerozoic taken to the level of stages; a non-linear scale for the Precambrian is included to show the fullness of geologic time. The Explanatory Notes describe briefly each time period: its history, definition of its base in terms of isotopic andbiostratigraphic data, and its subdivision into series and stages. AGSO Phanerozoic Timescale 1995 integrates standard European time units and Australian Cambrian and Ordovician stages. This scale is significant for global correlation of Phanerozoic sequences and their biotas. It will be attractiveand useful to resource exploration companies, geological surveys, university and school students, and individual professional and amateur geologists.
Author: P. J. Jones
Publisher: Oxford University Press, USA
ISBN:
Category : Medical
Languages : en
Pages : 42
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Book Description
Both Wallchart and Explanatory Notes are a compilation of the history and current status of the major subdivisions of the Phanerozoic Eon; they are derived from the detailed charts presented in the larger reference volume, An Australian Phanerozoic Timescale (eds. Young and Laurie, OUP, 1996).The Wallchart displays a linear timescale for the Phanerozoic taken to the level of stages; a non-linear scale for the Precambrian is included to show the fullness of geologic time. The Explanatory Notes describe briefly each time period: its history, definition of its base in terms of isotopic andbiostratigraphic data, and its subdivision into series and stages. AGSO Phanerozoic Timescale 1995 integrates standard European time units and Australian Cambrian and Ordovician stages. This scale is significant for global correlation of Phanerozoic sequences and their biotas. It will be attractiveand useful to resource exploration companies, geological surveys, university and school students, and individual professional and amateur geologists.
Author: Gavin C. Young
Publisher: Oxford University Press, USA
ISBN:
Category : Medical
Languages : en
Pages : 300
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Book Description
This book gives a new global perspective on the Phanerozoic timescale, by bringing together extensive Australian and overseas research on biostratigraphy, geochronology, and magnetostratigraphy. For the first time, correlations are established between Australian and European biozonal schemes for the entire Phanerozoic, by integrating local and international biozones, isotopic ages, and magnetic polarity intervals. Tie points are based on tightly constrained isotopic and biostrastigraphic ages, and this is the first compilation for the whole of the Phanerozoic to apply results from the latest isotopic dating techniques, including the high resolution ion microprobe (SHRIMP) and variants of the (superscript 40)Ar/(superscript 39)Ar method. These have radically rescaled some parts of the geological column. An Australian Phanerozoic Timescale gives the essential framework for resource exploration, geologic modelling, and reconstruction of past environments and land-sea configurations during the last 545 million years of earth history.
Author:
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 72
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 852
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Author: Chris Klootwijk
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 156
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 298
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 284
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Book Description
Author: John Helsby Shergold
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 48
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Author: Ian Metcalfe
Publisher: CRC Press
ISBN: 9789058093493
Category : Science
Languages : en
Pages : 426
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Book Description
This multidisciplinary book focuses on the relationships and interactions between palaeobiogeography, biogeography, dispersal, vicariance, migrations and evolution of organisms in the SE Asia-Australasian region. The book investigates biogeographic links between SE Asia and Australasia which go back more than 500 million years. It also focuses on the links between geological evolution and biological migrations and evolution in the region. It was in the SE Asian region that Alfred Russell Wallace established his biogeographic line, now known as Wallace's Line, which was the beginning of biogeography. Wallace also independently developed his theory of evolution based on his work in this area.;The book brings together, for the first time, geologists, palaeontologists, zoologists, botanists, entomologists, evolutionary biologists and archaeologists, in the one volume, to relate the region's geological past to its present biological peculiarities. The book is organized into six sections. Section 1 Paleobiogeographic Background provides overviews of the geological and tectonic evolution of SE Asia-Australasia, and changing patterns of land and sea for the last 540 million years. Section 2 Palaeozoic and Mesozoic Geology and Biogeography discusses Palaeozoic and Mesozoic biogeography of conodonts, brachiopods, plants, dinosaurs and radiolarians and the recognition of ancient biogeographic boundaries or Wallace Lines in the region. Section 3 Wallace's Line focuses on the biogeographic boundary established by Wallace, including the history of its establishment, its significance to biogeography in general and its applicability in the context of modern biogeography.;Section 4 Plant biogeography and evolution includes discussion on primitive angiosperms, the diaspora of the southern rushes, and environmental, climatic and evolutionary implications of plants and palynomorphs in the region. The biogeography and migration of insects, butterflies, birds, rodents and other non-primate mammals is discussed in section 5, Non Primates. The final section 6 Primates focuses on the biogeographic radiation, migration and evolution of primates and includes papers on the occurrence and migration of early hominids and the requirements for human colonization of Australia.
Author: Robert Hall
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 434
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Book Description
