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A balanced text that bridges the gap between introductory petrography-oriented texts and the more advanced texts that have a thermodynamic and/or chemical approach. Well-indexed, well-referenced and written in a particularly readable style, it leads the reader from classical to modern concepts in igneous petrology.
Igneous rocks --- Roches ignées --- Igneous rocks. --- Eruptive rocks --- Igneous petrology --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Rocks --- Petrology
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The basis of this investigation is the petrographic and geochemical understanding of principal igneous rock types of the Noril’sk region, in order to demonstrate that these data provide unique and self-evident solutions to the problems of petrogenesis and mineralization. The results of the investigations are presented in two volumes: the first includes mainly text and the second contains illustrations. In the first volume, the state of the main problems of the genesis of igneous rocks with reference to Traps and related ore deposits is discussed, as well as short petrological descriptions of igneous complexes in the region, the mineral and geochemical diversity of the rocks, and aspects of the differentiation of basaltic melts and mineralization are described. Taking into account the vast number of publications on the petrology of Traps of the Noril’sk region, primary attention in the monograph is given to earlier unknown phenomena, as well as other aspects that are of great importance for solving genetic problems. Some exotic geologic targets such as the Mikchandinsky differentiated cover, the magnetite lava flow of the Putorana Plateau, the magmatogenic breccia of Kharaelakh and others are described in detail. The second volume contains an atlas of Rock Indications of igneous rock-types; formally identified reference rocks from all igneous complexes of the region, as well as photographs of thin sections of typical rocks and analytical tables of rocks and minerals from the key sections of sedimentary units and intrusions. Each rock type has been geochemically and petrographically analysed thereby providing a formal identity, complete with a photograph of the thin section. Photomicrographs of the rocks in this book will be a useful aid in visualizing the diversity of rock types in the Traps; each photograph reflecting a unique combination of minerals.
Igneous rocks --- Ores --- Petrogenesis --- Petrogeny --- Petrology --- Geology, Economic --- Minerals --- Metallurgy --- Eruptive rocks --- Igneous petrology --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Rocks --- Geology. --- Geognosy --- Geoscience --- Earth sciences --- Natural history
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Igneous rocks --- Magmatism --- Roches ignées --- Magmatisme --- Igneous rocks. --- Magmatism. --- GG Magmatism --- Volcanism --- Eruptive rocks --- Igneous petrology --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Rocks --- Petrology --- Roches ignées
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Igneous rocks --- Metamorphic rocks --- Roches ignées --- Roches métamorphiques --- Rocks, Igneous --- Rocks, Metamorphic --- 552.3 --- Rocks --- Eruptive rocks --- Igneous petrology --- Petrology, Igneous --- Rocks, Eruptive --- Magmatic rocks. Igneous rocks --- Petrology --- 552.3 Magmatic rocks. Igneous rocks --- Roches ignées --- Roches métamorphiques
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Igneous rocks --- Metamorphic rocks --- Roches ignées --- Roches métamorphiques --- 552.8 --- 552.13 --- 551.25 --- Rocks, Igneous --- Rocks, Metamorphic --- Rocks --- Eruptive rocks --- Igneous petrology --- Petrology, Igneous --- Rocks, Eruptive --- Petrology --- Roches ignées --- Roches métamorphiques
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552.3 --- Magmatic rocks. Igneous rocks --- 552.3 Magmatic rocks. Igneous rocks --- Igneous rocks --- Roches ignées --- Rocks, Igneous. --- GG Mineralogy/Petrology --- Roches ignées --- Eruptive rocks --- Igneous petrology --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Rocks --- Petrology --- Geology. Earth sciences
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The Evolution of the Igneous Rocks, by N. L. Bowen, appeared in 1928 and had a profound influence on later generations of petrologists. Drawing on his series of lectures at Princeton University in the spring of 1927, Dr. Bowen identified, outlined, and applied the principles of physical chemistry relevant to petrological processes. Whereas the major petrochemical questions he discussed are still relevant today, the answers appear to change with time. The purpose of the present volume is to provide an updated view of those questions, in the light of almost fifty years of accumulated observations, using the principles Bowen set forth.Originally published in 1979.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Roches ignées --- Bowen, Norman Levi, --- Igneous rocks. --- Rocks, Igneous. --- Roches ignées --- Eruptive rocks --- Igneous petrology --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Igneous rocks --- Rocks --- Petrology --- Bowen, Norman Levi, - 1887-1956. - Evolution of the igneous rocks
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Decades of field and microscope studies, and more recent quantitative geochemical analyses have resulted in a vast, and sometimes overwhelming, array of nomenclature and terminology associated with igneous rocks. This book presents a complete classification of igneous rocks based on all the recommendations of the International Union of Geological Sciences (IUGS) Subcommission on the Systematics of Igneous Rocks. The glossary of igneous terms has been fully updated since the first edition and now includes 1637 entries, of which 316 are recommended by the Subcommission. Incorporating a comprehensive bibliography of source references for all the terms included in the glossary, this book is an indispensable reference guide for all geologists studying igneous rocks, either in the field or the laboratory. It presents a standardised and widely accepted naming scheme that will allow geologists to interpret terminology in the primary literature and provide formal names for rock samples based on petrographic analyses. It is also supported by a website with downloadable code for chemical classifications.
Igneous rocks --- Geology. --- Geognosy --- Geoscience --- Earth sciences --- Natural history --- Eruptive rocks --- Igneous petrology --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Rocks --- Petrology --- 552.3 --- 552.3 Magmatic rocks. Igneous rocks --- Magmatic rocks. Igneous rocks --- Classification.
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Granitic rocks are a major component of the continental crust and the many and complex problems of their origin that have challenged geologists over some 200 years still are presenting challenges today. Current ideas of granite formation involve lower crustal melting, segregation, ascent (as dykes or diapirs) and emplacement in the upper crust. In this book we suggest an alternative model for the origin of granite in terms of in-situ meltingintracrustal convection that physically determines the process from partial melting of mid-upper crustal rocks to formation of a convecting magma layer. We illustrate the model using the geological, geochemical and geophysical studies from Australia, North and South America, Europe and China, and conclude that heat convection within a crustal partial melting layer is essential for formation of granite magma and that without convection, partial melting of rocks produces migmatites rather than granites. Granite is layer-like within the crust, and shape and size of granite bodies reflect the geometric relationship between an irregular upper surface of the crystallised magma layer and erosion surface. Repeated melting of the crust generates downward-younging granite sequences. Chemical and isotopic compositions of granites indicate differentiation within the magma rather than different deep sources. Of a number of proposed heat sources that can cause mid-upper crustal anatexis, large-scale crustal melting and formation of a granite magma layer is considered to be primarily related to plate convergence. A dynamic model with examples from the western Pacific continental margin in SE China and Tethys-Tibet is proposed to explain the relationship between plate convergence, granite and compressive deformation of the continental crust. Mineralisation related to granite formation, fault-block basins, formation of continental red beds and volcanism with examples from SE China, are also discussed in terms of the new model. In a final section, we suggest a new rock cycling model of the continental crust and the concept of Geochemical Fields of Elements, illustrating the unity between the microcosm and macrocosm of the natural world. Audience: This book will be of interest to scientists, researchers and students in geology, geophysics, geochemistry and economic geology. .
Granite. --- Igneous rocks. --- Eruptive rocks --- Igneous petrology --- Igneous rocks --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Rocks --- Granitic rocks --- Petrology --- Geology. --- Physical geography. --- Geochemistry. --- Mineralogy. --- Geophysics/Geodesy. --- Physical geology --- Crystallography --- Minerals --- Chemical composition of the earth --- Chemical geology --- Geological chemistry --- Geology, Chemical --- Chemistry --- Earth sciences --- Geography --- Geognosy --- Geoscience --- Natural history --- Geophysics. --- Geological physics --- Terrestrial physics --- Physics
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The basis of this investigation is the petrographic and geochemical understanding of principal igneous rock types of the Noril’sk region, in order to demonstrate that these data provide unique and self-evident solutions to the problems of petrogenesis and mineralization. The results of the investigations are presented in two volumes: the first includes mainly text and the second contains illustrations. In the first volume, the state of the main problems of the genesis of igneous rocks with reference to Traps and related ore deposits is discussed, as well as short petrological descriptions of igneous complexes in the region, the mineral and geochemical diversity of the rocks, and aspects of the differentiation of basaltic melts and mineralization are described. Taking into account the vast number of publications on the petrology of Traps of the Noril’sk region, primary attention in the monograph is given to earlier unknown phenomena, as well as other aspects that are of great importance for solving genetic problems. Some exotic geologic targets such as the Mikchandinsky differentiated cover, the magnetite lava flow of the Putorana Plateau, the magmatogenic breccia of Kharaelakh and others are described in detail. The second volume contains an atlas of Rock Indications of igneous rock-types; formally identified reference rocks from all igneous complexes of the region, as well as photographs of thin sections of typical rocks and analytical tables of rocks and minerals from the key sections of sedimentary units and intrusions. Each rock type has been geochemically and petrographically analysed thereby providing a formal identity, complete with a photograph of the thin section. Photomicrographs of the rocks in this book will be a useful aid in visualizing the diversity of rock types in the Traps; each photograph reflecting a unique combination of minerals.
Igneous rocks. --- Petrology --- Ores --- Eruptive rocks --- Igneous petrology --- Igneous rocks --- Petrology, Igneous --- Rocks, Eruptive --- Rocks, Igneous --- Rocks --- Geology, Economic --- Minerals --- Metallurgy --- Geology. --- Mineral resources. --- Mineralogy. --- Geochemistry. --- Mineral Resources. --- Chemical composition of the earth --- Chemical geology --- Geological chemistry --- Geology, Chemical --- Chemistry --- Earth sciences --- Physical geology --- Crystallography --- Deposits, Mineral --- Mineral deposits --- Mineral resources --- Mines and mining --- Mining --- Natural resources --- Geognosy --- Geoscience --- Natural history
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