An ore is an occurrence of rock or sediment that contains sufficient minerals with economically . The ore grade, or concentration of an ore mineral or metal, as well as its form of . Cumulate vanadiferous or platinum bearing magnetite or chromite . ore concentrates, engineering, milling and infrastructure costs, finance and.
Amid falling platinum prices, PGM miners upping chrome ore .
Oct 19, 2018 . Amid falling platinum prices, PGM miners upping chrome ore production to . primary mining activities, carries minimal additional extraction costs. . agreed to sell the rights to their chrome ore production at very low prices.Get Price