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Economics and Geology
New Economics and Geology Study Findings Have Been Reported from Macquarie University
March 11th, 2011
"The location of magmatic Ni-Cu-PGE sulfide deposits is related to lithospheric architecture, particularly that of the subcontinental lithospheric mantle (SCUM). At crustal levels, this relationship is manifest by a close proximity to craton and paleocraton margins," scientists in North Ryde, Australia report.
"Deposits are associated with mafic-ultramafic rocks and many show a close spatial relationship with a coeval large igneous province (LIP). Metal quantities and tenors observed in deposits require segregation of a magmatic sulfide melt from a large volume of parental ultramafic melt. Generation of these parental melts requires melting of upwelling mantle rising to...
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Source: Economics Week (2011-03-11)