Physics and chemistry of the earth. 9 /
Physics and Chemistry of the Earth.
Clasificación: | Libro Electrónico |
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Autor Corporativo: | |
Otros Autores: | |
Formato: | Electrónico Congresos, conferencias eBook |
Idioma: | Inglés |
Publicado: |
Oxford :
Pergamon Press,
1975.
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Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Physics and Chemistry of the Earth; Copyright Page; Table of Contents; PREFACE; CHAPTER 1. MODEL OF A KIMBERLITE PIPE; ABSTRACT; INTRODUCTION; KIMBERLITE PIPES WHICH HAVE UNDERGONE RELATIVELY LITTLE EROSION; THE STRUCTURE AND COMPOSITION OF THE ORAPA PIPE IN BOTSWANA; ORIGIN OF THE EPICLASTIC KIMBERLITES; DISTRIBUTION OF THE EPICLASTIC KIMBERLITES; THE DEPTH OF EROSION IN THE KIMBERLEY AREA; ACCIDENTAL INCLUSIONS IN THE PIPES; RELEVANT STUDIES OF SILLS AND THEIR DEPTH FORMATION; THICKNESS OF THE KARROO SYSTEM AND AGE OF THE KIMBERLITES.
- Slope angles of pipe walls in various environmentsmodel of a kimberlite pipe in the kimberley area; wallrock geology; the kimberlite pipe; acknowledgements; references; chapter 2. formation of phreatomagmatic maar-diatreme volcanoes and its relevance to kimberlite diatremes; abstract; introduction; maar-diatreme volcanoes; model of maar-diatreme formation; kimberlite diatremes; concluding remarks; acknowledgements; references; chapter 3. modeling of diatreme emplacement by fluidization; abstract; introduction; experimental procedure; experimental results; summary and conclusions.
- Acknowledgementsreferences; chapter 4. structural aspects of kimberlite dyke and sheet intrusion in south-west greenland; abstract; introduction; field relationships; mechanism of intrusion; structural control of dyke and sheet intrusion; acknowledgements; references; chapter 5. the emplacement of some diatreme-facies kimberlites; abstract; introduction; petrography; similar rocks from other sources; origin of the calcite in the rocks; emplacement of the kimberlites; discussion; acknowledgements; references.
- Chapter 6. magnetite-serpentine-calcite dykes at premier mine and aspects of their relationship to kimberlite and to carbonatite of alkalic carbonatite complexesabstract; introduction; previous investigations into the carbonate-rich rocks; the dykes studied; geochemistry and magma derivation; acknowledgements; references; chapter 7. the bushmanland kimberlites and related rocks; abstract; introduction; description; age; chemical composition; conclusions; acknowledgements; references; chapter 8. kimberlite and related rocks from the nama plateau of south-west africa; abstract; introduction.
- Previous workregional geology; kimberlites; related rocks; chemistry; evolution of kimberlite provinces; acknowledgements; references; chapter 9. eclogite nodules from kimberlite pipes of the colorado plateau-samples of subducted franciscan-type oceanic lithosphere; abstract; introduction; acknowledgements; references; chapter 10. a plate tectonics model involving non-laminar asthenospheric flow to account for irregular patterns of magmatism in the southwestern united states; abstract; introduction.