Keywords:
Mineral resources.
;
Electronic books.
Type of Medium:
Online Resource
Pages:
1 online resource (342 pages)
Edition:
4th ed.
ISBN:
9783319230511
Series Statement:
Mineral Resource Reviews Series
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=4095849
Language:
English
Note:
Intro -- Preface -- Contents -- Abbreviations -- List of Figures -- List of Tables -- About the Authors -- 1 Introduction -- 1.1 Preamble: Potassic Igneous Rocks and Their Importance -- 1.2 Scope of Book -- References -- 2 Definitions and Nomenclature -- 2.1 Historical Perspective of Potassic Igneous Rocks -- 2.2 Potassic Igneous Rocks as an Umbrella Term -- 2.3 Shoshonites -- 2.4 Shoshonitic and Alkaline Lamprophyres -- 2.5 Ultrapotassic Rocks -- 2.5.1 Introduction -- 2.5.2 Lamproites -- 2.5.3 Kamafugites -- 2.5.4 Orogenic Ultrapotassic Rocks -- 2.6 Group II Kimberlites -- 2.7 Potassic Igneous Rocks as Considered in This Book -- 2.8 Field Recognition of Potassic Igneous Rocks -- References -- 3 Tectonic Settings of Potassic Igneous Rocks -- 3.1 Introduction -- 3.2 Tectonic Settings of Potassic Igneous Rocks -- 3.2.1 Continental Arc -- 3.2.2 Postcollisional Arc -- 3.2.3 Oceanic (Island) Arc -- 3.2.4 Within-Plate -- 3.2.5 Problems with Tectonic Classification -- 3.3 History of Discrimination of Tectonic Setting by Geochemical Means -- 3.4 Erection of Databases SHOSH1 and SHOSH2 -- 3.5 Discrimination of Tectonic Setting by Multivariate Statistical Methods -- 3.6 Discrimination via Simple Geochemical Diagrams -- 3.7 Theoretical Basis for Discrimination Between Potassic Igneous Rocks in Different Tectonic Settings -- 3.8 Conclusions -- References -- 4 Selected Type-Localities of Potassic Igneous Rocks from the Five Tectonic Settings -- 4.1 Roman Province (Italy): Example from a Continental Arc Setting -- 4.1.1 Introduction -- 4.1.2 Regional Geology -- 4.1.3 Mineralogy and Petrography of the Potassic Igneous Rocks -- 4.1.4 Geochemistry of the Potassic Igneous Rocks -- 4.2 Kreuzeck Mountains, Eastern Alps (Austria): Example from a Postcollisional Arc Setting -- 4.2.1 Introduction -- 4.2.2 Regional Geology.
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4.2.3 Mineralogy and Petrography of the Lamprophyres -- 4.2.4 Geochemistry of the Lamprophyres -- 4.3 Northern Mariana Arc (West Pacific): Example from an Initial Oceanic Arc Setting -- 4.3.1 Introduction -- 4.3.2 Regional Geology -- 4.3.3 Mineralogy and Petrography of the Potassic Igneous Rocks -- 4.3.4 Geochemistry of the Potassic Igneous Rocks -- 4.4 Vanuatu (Southwest Pacific): Example from a Late Oceanic Arc Setting -- 4.4.1 Introduction -- 4.4.2 Regional Geology -- 4.4.3 Mineralogy and Petrography of the Potassic Igneous Rocks -- 4.4.4 Geochemistry of the Potassic Igneous Rocks -- 4.5 African Rift Valley (Rwanda, Uganda, Democratic Republic of Congo): Example from a Within-Plate Setting -- 4.5.1 Introduction -- 4.5.2 Regional Geology -- 4.5.3 Mineralogy and Petrography of the Potassic Igneous Rocks -- 4.5.4 Geochemistry of the Potassic Igneous Rocks -- References -- 5 Primary Enrichment of Precious Metals in Potassic Igneous Rocks -- 5.1 Introduction -- 5.2 Theoretical Discussion -- 5.3 Case Study: Potassic Alkaline Lamprophyres with Elevated Gold Concentrations from the Karinya Syncline, South Australia -- 5.3.1 Introduction -- 5.3.2 Regional Geology and Tectonic Setting -- 5.3.3 Mineralization in the Vicinity of the Lamprophyres -- 5.3.4 Nature of the Lamprophyres -- 5.3.5 Petrology and Geochemistry of the Lamprophyres -- 5.3.6 Precious Metal Abundance and Significance -- 5.4 Comparison of Precious Metal Abundances for Lamprophyres from the Karinya Syncline and Kreuzeck Mountains -- References -- 6 Direct Associations Between Potassic Igneous Rocks and Gold-Copper Deposits in Volcanic Arcs -- 6.1 Direct Associations in Specific Tectonic Settings: Introduction -- 6.2 Erection of Database GOLD1 -- 6.3 Late Oceanic Arc Associations -- 6.3.1 Ladolam Gold Deposit, Lihir Island, Papua New Guinea -- 6.3.2 Emperor Gold Deposit, Viti Levu, Fiji.
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6.3.3 Dinkidi Copper-Gold Deposit, Didipio, Philippines -- 6.3.4 Northparkes (Goonumbla) Copper-Gold Deposit, New South Wales, Australia -- 6.3.5 Cadia Ridgeway Copper-Gold Deposit, New South Wales, Australia -- 6.3.6 Hugo Dummett (Oyu Tolgoi) Copper-Gold Deposit, Mongolia -- 6.3.7 Peschanka Copper-Gold Deposit, Siberia, Russia -- 6.4 Continental Arc Associations -- 6.4.1 Bajo de La Alumbrera Copper-Gold Deposit, Catamarca Province, Argentina -- 6.4.2 Bingham Copper-Molybdenum Deposit, Utah, USA -- 6.4.3 El Indio Gold Deposit, Chile -- 6.4.4 Cripple Creek Gold Deposit, Colorado, USA -- 6.4.5 Skouries Copper-Gold Deposit, Chalkidiki, Greece -- 6.5 Postcollisional Arc Associations -- 6.5.1 Grasberg Copper-Gold Deposit, Irian Jaya, Indonesia -- 6.5.2 Misima Gold Deposit, Misima Island, Papua New Guinea -- 6.5.3 Porgera Gold Deposit, Papua New Guinea -- 6.6 Synthesis of Direct Genetic Associations -- References -- 7 Direct Associations Between Potassic Igneous Rocks and Copper-Gold Deposits on Craton Margins -- 7.1 Introduction -- 7.2 Iron-Oxide Copper-Gold (IOCG) Deposits and Potassic Igneous Rocks -- 7.2.1 Introduction -- 7.2.2 Olympic Dam Cu-Au-U-REE Deposit, South Australia -- 7.3 Intrusion-Related Gold Deposits (IRGD) and Potassic Igneous Rocks -- 7.3.1 Introduction -- 7.3.2 Fort Knox Gold Deposit, Alaska, USA -- References -- 8 Indirect Associations Between Lamprophyres and Gold-Copper Deposits -- 8.1 Introduction -- 8.2 Shoshonitic Lamprophyres with Elevated Gold Concentrations from the Goodall Gold Deposit, Northern Territory, Australia (Proterozoic) -- 8.2.1 Introduction -- 8.2.2 Regional Geology -- 8.2.3 Nature of Orogenic Gold Mineralization -- 8.2.4 Mineralogy of the Lamprophyres -- 8.2.5 Geochemistry of the Lamprophyres -- 8.2.6 Direct or Indirect Link Between Potassic Lamprophyres and Mineralization.
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8.3 Shoshonitic Lamprophyres from the Tom's Gully Gold Deposit, Northern Territory, Australia (Proterozoic) -- 8.3.1 Introduction -- 8.3.2 Regional Geology -- 8.3.3 Nature of Orogenic Gold Mineralization -- 8.3.4 Petrology and Geochemistry of the Lamprophyres -- 8.3.5 Indirect Link Between Lamprophyres and Gold Mineralization -- 8.4 Shoshonitic Lamprophyres from the Eastern Goldfields, Yilgarn Block, Western Australia (Archaean) -- 8.4.1 Introduction -- 8.4.2 Regional Geology -- 8.4.3 Nature of Orogenic Gold Mineralization -- 8.4.4 Lamprophyres and Their Association with Mineralization -- 8.4.5 Petrology and Geochemistry of the Lamprophyres -- 8.5 Shoshonitic Lamprophyres from the Superior Province, Canada (Archean) -- 8.5.1 Introduction -- 8.5.2 Regional Geology -- 8.5.3 Nature of Orogenic Gold Mineralization -- 8.5.4 Lamprophyres and Their Association with Mineralization -- 8.5.5 Petrology and Geochemistry of the Lamprophyres -- 8.6 Indirect Link Between Lamprophyres and Archaean Gold Mineralization -- 8.7 Synthesis of Indirect Associations -- References -- 9 Halogen Contents of Mineralized Versus Unmineralized Potassic Igneous Rocks -- 9.1 Introduction -- 9.2 Erection of Database MICA1 -- 9.3 Discussion -- 9.3.1 Behaviour of Halogens in Magmatic Hydrothermal Systems -- 9.3.2 Halogen Contents of Mica in Potassic Igneous Rocks -- 9.3.3 Significance of Halogen Data -- References -- 10 Implications for Mineral Exploration in Arc Environments -- 10.1 Introduction -- 10.2 Target Generation -- 10.2.1 Composition of Host Rocks -- 10.2.2 Tectonic Setting -- 10.3 Prospect Evaluation -- 10.3.1 Favourable Tectonic Elements on the Prospect Scale -- 10.3.2 High Oxygen Fugacities (fO2) of the Magmas -- 10.3.3 Elevated Halogen Contents of the Magmas -- References -- 11 Characteristics of Some Gold-Copper Deposits Associated with Potassic Igneous Rocks.
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11.1 Abbreviations -- 11.2 Tables of Deposit Characteristics -- References -- Index.
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