Mineralization and regional alteration at the Mons Cupri stratiform Cu–Zn–Pb deposit, Pilbara Craton, Western Australia

Huston, David L.

doi:10.1007/s00126-005-0036-4

Cited by 6 publications

(1 citation statement)

References 11 publications

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“…The main tectonic settings of VMS deposits are arc-back arc systems related to subduction. However, in the East Pilbara Terrane are the oldest (~3.5 Ga) volcanic-hosted massive sulphide deposits, which include the Whim Creek-Mons Cupri and the Panorama VMS hydrothermal system (Brauhart et al, 2000;Huston, 2006). The East Pilbara Terrane contains a succession of greenstone rocks, mainly characterised by komatiites and associated felsic units, which accumulated between 3.51 and 2.95 Ga and are interpreted to have formed by intense Early Archaean mantle plume activity that formed a series of stacked oceanic plateaux (Smithies et al, 2005).…”

Section: Volcanic-hosted Massive Sulphide Depositsmentioning

confidence: 99%

Mantle plumes, associated intraplate tectonomagmatic processes and ore systems

Pirajno¹

2007

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Intraplate tectonic and magmatic phenomena are linked to deep mantle plumes and asthenospheric upwellings. Resulting magmas, which include layered mafic-ultramafic intrusions, sill complexes, continental and oceanic flood lavas, giant dyke swarms and anorogenic A-type granitic rocks, are responsible, directly or indirectly, for a large number of intraplate and anorogenic ore systems. These ore systems can be considered in terms of 1) magma-associated, such as orthomagmatic Ni-Cu-PGE, Cr in mafic-ultramafic rocks and magmatichydrothermal ore systems in anorogenic A-type magmas (e. g. greisen Sn-W, Fe oxide-Cu-Au); and 2) hydrothermal systems powered by the large thermal energy that results from the emplacement of plume-derived melts into the crust. These hydrothermal ore systems include lowS epithermal, porphyry, VMS and Carlin style deposits. Campbell and Davies (2006 and references therein) and Campbell (2005) discussed the mantle plume hypothesis. Here I provide an overview of mantle plumes with some emphasis on associated tectonic and magmatic processes, in order to set the background for those ore systems that are linked to these mantle processes. Tectonic, magmatic and geomorphological effects of mantle upwellings are summarised in Table 1 (Pirajno, 2004a). Ore systems that are directly or indirectly linked with mantle processes are discussed in the next section. Mantle plume activities in the geological record are comprehensively treated in Ernst and Buchan (2003)

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Section: Volcanic-hosted Massive Sulphide Depositsmentioning

confidence: 99%