Hydromagmatic processes and platinum-group element deposits in layered intrusions
著者
書誌事項
Hydromagmatic processes and platinum-group element deposits in layered intrusions
Cambridge University Press, 2019
- : Hardback
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注記
Includes bibliographical references (p. 232-270) and index
内容説明・目次
内容説明
The role of hydrothermal fluids during the crystallization of layered intrusions and the ore deposits they contain has long been debated. This book summarizes the evidence for fluid-crystal-liquid (hydromagmatic) interactions and their importance for the understanding of the formation of platinum-group deposits in layered intrusions. It discusses the composition of igneous fluids in mafic magmatic systems, the generation and movement of these fluids in layered intrusions, their impact in altering the mineralogy and composition of the originally precipitated assemblages, and their role in the transport of the platinum-group elements (PGE). Using examples from the Bushveld complex of South Africa and other intrusions, this book provides a comprehensive overview of the hydromagmatic model for the origin of various features of layered intrusions. It is a useful reference for academic researchers and professional geologists working on economic mineral exploration, layered igneous intrusions, and hydrothermal metallogenesis.
目次
- Preface
- 1. Introduction
- 2. Layered intrusions: an overview
- 3. Magmatic volatiles and fluids
- 4. Geochemistry of the platinum-group elements
- 5. Generation and movement of bubbles and volatile fluids in a crystal-liquid mush
- 6. Halogens in layered intrusions
- 7. Melt and fluid inclusion evidence
- 8. Pegmatoids, pipes, and potholes
- 9. The effects of volatiles on mineral stability and volatile fluxing
- 10. Chromatographic effects
- 11. Compaction-driven stratigraphic traps and the formation of Great Dyke-type deposits
- 12. Chromitites
- 13. Isotopic evidence
- 14. Some objections considered
- References
- Index.
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