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Author | : U.S. Department of the Interior |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 54 |
Release | : 2014-02-19 |
Genre | : Reference |
ISBN | : 9781495906534 |
Download Magmatic Ore Deposits in Layered Intrusions? Book in PDF, ePub and Kindle
Layered, ultramafic to mafic intrusions are uncommon in the geologic record, but host magmatic ore deposits containing most of the world's economic concentrations of platinum-group elements (PGE) (figs. 1 and 2). These deposits are mined primarily for their platinum, palladium, and rhodium contents (table 1). Magmatic ore deposits are derived from accumulations of crystals of metallic oxides, or immiscible sulfide, or oxide liquids that formed during the cooling and crystallization of magma, typically with mafic to ultramafic compositions.
Author | : |
Publisher | : |
Total Pages | : 426 |
Release | : 1982 |
Genre | : Intrusions (Geology) |
ISBN | : |
Download Layered Intrusions, Recent Research and Relevance to Magmatic Ore Deposits Book in PDF, ePub and Kindle
Author | : Sisir K. Mondal |
Publisher | : Elsevier |
Total Pages | : 384 |
Release | : 2017-09-08 |
Genre | : Science |
ISBN | : 0128111607 |
Download Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space and Time Book in PDF, ePub and Kindle
Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space and Time focuses on the fundamental processes that control the formation of ore deposits from ultramafic-mafic magmas, covering chromite, platinum-group element (PGE), Ni-sulfides and Ti-V-bearing magnetite. The exploration, exploitation and use of these magmatic ores are important aspects of geology and directly linked to the global economy. Magmatic ores form from ultramafic-mafic magmas and crystallize at high-temperature after emplacement into crustal magma chambers, and are genetically linked to the evolution of the parental magmas through space and time. This book features recent developments in the field of magmatic ore deposits, and is an essential resource for both industry professionals and those in academia. Elucidates the relationships between tectonic settings and magmatic ore mineralization Provides the links between magma generation in the mantle and ore mineralization at crustal levels Features the latest research on changing patterns in magmatic ore mineralization through time and their bearing on the chemical evolution of the Earth’s mantle
Author | : Ian Campbell |
Publisher | : |
Total Pages | : 213 |
Release | : 1982 |
Genre | : Igneous rocks |
ISBN | : |
Download Layered Intrusions Book in PDF, ePub and Kindle
Author | : Bernard Charlier |
Publisher | : Springer |
Total Pages | : 749 |
Release | : 2015-05-18 |
Genre | : Science |
ISBN | : 9401796521 |
Download Layered Intrusions Book in PDF, ePub and Kindle
This edited work contains the most recent advances related to the study of layered intrusions and cumulate rocks formation. The first part of this book presents reviews and new views of processes producing the textural, mineralogical and geochemical characteristics of layered igneous rocks. The second part summarizes progress in the study of selected layered intrusions and their ore deposits from different parts of the world including Canada, Southwest China, Greenland and South Africa. Thirty experts have contributed to this update on recent research on Layered Intrusions. This highly informative book will provide insight for researchers with an interest in geology, igneous petrology, geochemistry and mineral resources.
Author | : Michael L. Zientek |
Publisher | : |
Total Pages | : 48 |
Release | : 2012 |
Genre | : Copper ores |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 213 |
Release | : 1982 |
Genre | : Igneous rocks |
ISBN | : |
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Author | : H. D. B. Wilson |
Publisher | : |
Total Pages | : |
Release | : 1969 |
Genre | : Magmatism |
ISBN | : 9781934969991 |
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This monograph resulted from a Symposium held at Stanford University on November 12 and 13, 1966. This was conceived in 1962 when the Program Policy Committee recommended that the Society of Economic Geologists should sponsor a symposium on magmatic ore deposits, prompted by the realization that the underlying theory of the formation of magmatic ore deposits was formulated many decades ago. In the intervening years, much new data had been acquired from systematic research, and it was therefore time to assess this new data and to point out the unresolved problems.
Author | : Ian Parsons |
Publisher | : Springer Science & Business Media |
Total Pages | : 678 |
Release | : 2013-03-09 |
Genre | : Science |
ISBN | : 9401725098 |
Download Origins of Igneous Layering Book in PDF, ePub and Kindle
Acknowledgements xix pioneering workers on igneous layering in Greenland xx Wbrkshop participants xxii Henning Sfl!rensen, University of Copenhagen, Dermark. Latte Melchior Larsen, Geological SUrvey of Greenland, Copenhagen, Dermark. Abstract 1 1 • Introduction 1 1. 1 The agpaitic rocks of the Ilimaussaq intrusion 3 2. Igneous layering in the Ilimaussaq intrusion 4 3. Mineralogy of the layered kakortokite series 15 4. Chemistry of the layered kakortokite series 19 5. Origin of the kakortokite layering 20 5. 1 Discussion 22 6. Conclusion 25 References 26 2. I. AYERn«;r CCMPl\CTIOO NID PCBJ. "--MN}tATIC ~ IN '!HE KLOKKEN INTRUSIOO 29 Ian Parsons and SUsanne M. Becker, University of Aberdeen, U. K. Abstract 29 1. Introduction 30 2. Age of the intrusion 31 3. General structure and mineral variation 31 vi TABLE OF CONTENTS 3. 1 Nomenclature of rock types 31 3. 2 Bulk chemical and modal variation 36 4. The contacts and wall-rocks 37 4. 1 Guter contact 37 4. 2 The gabbro sheath 37 4. 3 The unlaminated syenite sheath 39 4. 4 The gabbro-syenite transition 41 5. The layered series 43 5. 1 General relationships 43 5. 2 Granular syenites 43 5. 2. 1 Structure and cryptic variation 43 5. 2. 2 Origin of granular layers 46 5. 2. 3 Trace elements and chamber dlinensions 47 5. 3 Laminated syenites 48 5. 3. 1 General features 48 5. 3. 2 Mineral layering 51 5. 3.
Author | : H. D. B. Wilson |
Publisher | : |
Total Pages | : 390 |
Release | : 1969 |
Genre | : Gîtes minéraux |
ISBN | : |
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