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The origin of different kinds of igneous rocks can be understood in terms of their tectonic setting, and by way of the isotope compositions of strontium, neodymium, and lead. This book explains the petrogenesis of igneous rocks as a consequence of tectonic processes resulting from interactions between asthenopheric plumes and the overlying lithospheric mantle. The relevant principles of isotope geochemistry are explained in the first chapter, making it accessible for university students as well as professionals. The relevant isotopic data is presented in diagrammatic form. The book contains more than 400 original drawings.
The fourth international symposium on Antarctic Earth Sciences took place in Adelaide, South Australia during the week 16-20 August 1982. This volume contains a record of the centenary activities celebrating Sir Douglas Mawson and the one hundred and seventy-four papers that were presented by delegates for discussion over the five days. Sir Douglas Mawson was part of the first team to reach the magnetic South Pole, a leading geologist and scientific figure during the heroic age of of antarctic exploration. The papers presented during the symposium were divided into fifteen categories covering east and west Antarctica, marine, land and glacial geology, plate tectonics, islands, peninsulas, climatic change and Precambrian and Cenozoic era activity. The two hundred persons from sixteen countries who attended the symposium brought together a wide range of the most current expertise and research to share, of which this volume provides a record.
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The ultimate authoritative source for information on all the nations of the world. Provides current data for more than 250 countries and territories.
In general, information available as of January 1, 2011 was used in the preparation of this edition. Provides brief information on the geography, people, government, economy, communications, and defense of countries and regions around the world. Contains information on international organizations. Designed to meet the specific requirements of United States Government Officials in style, format, coverage, and content. Includes 3 unattached maps, dated June 2011.
In general, information available as of January 1, 2009 was used in the preparation of this edition. Provides brief information on the geography, people, government, economy, communications, and defense of countries and regions around the world. Contains information on international organizations. Designed to meet the specific requirements of United States Government Officials in style, format, coverage, and content. Includes 3 unattached maps.
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