Release of gold-bearing fluids in convergent margin magmas prompted by magnetite crystallization
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Sun, Weidong; Arculus, Richard; Kamenetsky, Vadim S; Binns, Raymond
Description
A relationship between convergent margin magmas and copper-gold ore mineralization has long been recognized. The nature of the genetic link is controversial, particularly whether the link is due to high-oxygen-fugacity (fO2) melts and fluids released from subducted slabs or to brine exsolution during magmatic evolution. For submarine, subduction-related volcanic glasses from the eastern Manus basin, Papua New Guinea, we here report abrupt decreases in gold and copper abundances, coupled with a...[Show more]
Collections | ANU Research Publications |
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Date published: | 2004 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/86816 |
Source: | Nature |
DOI: | 10.1038/nature02972 |
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