Direct associations between potassic igneous rocks and copper-gold deposits on craton margins

Daniel Mueller, DI Groves

Research output: Chapter in Book/Conference paperChapterpeer-review

4 Citations (Web of Science)

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. Importantly, new data also documents the spatial association between Carlin-type gold deposits and high-K magmatism. Examples of IOCG deposits (Olympic Dam, South Australia), IRGD (Fort Knox, Alaska, USA), and Carlin-type gold deposits (Beast, Nevada) associated with potassic igneous rocks are discussed as case studies in more detail.
Original languageEnglish
Title of host publicationPotassic igneous rocks and associated gold-copper mineralization
EditorsDaniel Müller, David I. Groves
Place of PublicationCham
PublisherSpringer International Publishing AG
Chapter7
Pages255-277
Number of pages23
Edition5th
ISBN (Electronic)9783319929798
ISBN (Print)9783319929781
DOIs
Publication statusPublished - 12 Jun 2019

Publication series

NameMineral Resource Reviews
PublisherSPRINGER INTERNATIONAL PUBLISHING AG
ISSN (Print)2365-0559

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