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Erschienen in:

2016 | OriginalPaper | Buchkapitel

7. Direct Associations Between Potassic Igneous Rocks and Copper-Gold Deposits on Craton Margins

verfasst von : Daniel Müller, David I. Groves

Erschienen in: Potassic Igneous Rocks and Associated Gold-Copper Mineralization

Verlag: Springer International Publishing

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Abstract

Although this book is mainly about potassic igneous rocks and hydrothermal gold and gold-copper mineralization in volcanic arc environments, there is increasing evidence for the genetic association between volatile-rich potassic igneous rocks and iron-oxide-Cu-Au (IOCG) deposits and intrusion-related gold deposits (IRGD) in plume-related within-plate settings. Recent studies discussed in this chapter suggest that both IOCG and IRGD systems formed above metasomatized lithosphere from hydrothermal fluids connected to mixed basic to felsic alkaline intrusions that were generated in sub-MOHO magma chambers. The economically most significant examples of IOCG deposits (Olympic Dam, South Australia) and IRGD associated with potassic igneous rocks (Fort Knox, Alaska, USA) are discussed as case studies in more detail.

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Vorheriges Kapitel Direct Associations Between Potassic Igneous Rocks and Gold-Copper Deposits in Volcanic Arcs

Nächstes Kapitel Indirect Associations Between Lamprophyres and Gold-Copper Deposits

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Titel: Direct Associations Between Potassic Igneous Rocks and Copper-Gold Deposits on Craton Margins
verfasst von: Daniel Müller
David I. Groves
Verlag: Springer International Publishing
Buch: Potassic Igneous Rocks and Associated Gold-Copper Mineralization
Print ISBN: 978-3-319-23050-4

Electronic ISBN: 978-3-319-23051-1

Copyright-Jahr: 2016
DOI: https://doi.org/10.1007/978-3-319-23051-1_7