protore


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protore

(ˈprəʊtɔː)
n
(Minerals) a primary metalliferous material before it becomes ore
References in periodicals archive ?
Clark, "Prograde evolution and geothermal affinities of a major porphyry copper deposit: The Cerro Colorado hypogene protore, I Region, northern Chile," Economic Geology, vol.
Depending on the physicochemical conditions the protore iron mineralization could consist of magnetite or hematite, or a mix of the two.
In effect this will mean that the protore (mineralisation prior to being enriched) is likely to be high grade magnetite.